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authorDave Kleikamp <shaggy@austin.ibm.com>2006-10-02 10:55:27 -0400
committerDave Kleikamp <shaggy@austin.ibm.com>2006-10-02 10:55:27 -0400
commit63f83c9fcf40ab61b75edf5d2f2c1ae6bf876482 (patch)
tree405671dca4a5a2b109112306734223d9dd0dcfbb /fs
parent087387f90f577f5a0ab68d33ef326c9bb6d80dda (diff)
JFS: White space cleanup
Removed trailing spaces & tabs, and spaces preceding tabs. Also a couple very minor comment cleanups. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> (cherry picked from f74156539964d7b3d5164fdf8848e6a682f75b97 commit)
Diffstat (limited to 'fs')
-rw-r--r--fs/jfs/acl.c8
-rw-r--r--fs/jfs/endian24.h2
-rw-r--r--fs/jfs/file.c8
-rw-r--r--fs/jfs/inode.c8
-rw-r--r--fs/jfs/jfs_acl.h8
-rw-r--r--fs/jfs/jfs_btree.h6
-rw-r--r--fs/jfs/jfs_debug.c6
-rw-r--r--fs/jfs/jfs_dinode.h8
-rw-r--r--fs/jfs/jfs_dmap.c180
-rw-r--r--fs/jfs/jfs_dmap.h28
-rw-r--r--fs/jfs/jfs_dtree.c14
-rw-r--r--fs/jfs/jfs_dtree.h10
-rw-r--r--fs/jfs/jfs_extent.c42
-rw-r--r--fs/jfs/jfs_extent.h8
-rw-r--r--fs/jfs/jfs_filsys.h24
-rw-r--r--fs/jfs/jfs_imap.c222
-rw-r--r--fs/jfs/jfs_imap.h14
-rw-r--r--fs/jfs/jfs_incore.h8
-rw-r--r--fs/jfs/jfs_inode.c6
-rw-r--r--fs/jfs/jfs_inode.h6
-rw-r--r--fs/jfs/jfs_lock.h10
-rw-r--r--fs/jfs/jfs_logmgr.c38
-rw-r--r--fs/jfs/jfs_logmgr.h76
-rw-r--r--fs/jfs/jfs_metapage.c12
-rw-r--r--fs/jfs/jfs_metapage.h8
-rw-r--r--fs/jfs/jfs_mount.c34
-rw-r--r--fs/jfs/jfs_superblock.h22
-rw-r--r--fs/jfs/jfs_txnmgr.c6
-rw-r--r--fs/jfs/jfs_txnmgr.h12
-rw-r--r--fs/jfs/jfs_umount.c24
-rw-r--r--fs/jfs/jfs_unicode.c10
-rw-r--r--fs/jfs/jfs_unicode.h10
-rw-r--r--fs/jfs/jfs_uniupr.c8
-rw-r--r--fs/jfs/jfs_xattr.h2
-rw-r--r--fs/jfs/jfs_xtree.c12
-rw-r--r--fs/jfs/jfs_xtree.h8
-rw-r--r--fs/jfs/namei.c50
-rw-r--r--fs/jfs/resize.c6
-rw-r--r--fs/jfs/super.c10
-rw-r--r--fs/jfs/symlink.c6
-rw-r--r--fs/jfs/xattr.c38
41 files changed, 508 insertions, 510 deletions
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index e2281300979c..4d84bdc88299 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -5,16 +5,16 @@
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify 6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by 7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or 8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version. 9 * (at your option) any later version.
10 * 10 *
11 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
14 * the GNU General Public License for more details. 14 * the GNU General Public License for more details.
15 * 15 *
16 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software 17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */ 19 */
20 20
@@ -183,7 +183,7 @@ cleanup:
183 posix_acl_release(acl); 183 posix_acl_release(acl);
184 } else 184 } else
185 inode->i_mode &= ~current->fs->umask; 185 inode->i_mode &= ~current->fs->umask;
186 186
187 JFS_IP(inode)->mode2 = (JFS_IP(inode)->mode2 & 0xffff0000) | 187 JFS_IP(inode)->mode2 = (JFS_IP(inode)->mode2 & 0xffff0000) |
188 inode->i_mode; 188 inode->i_mode;
189 189
diff --git a/fs/jfs/endian24.h b/fs/jfs/endian24.h
index ab7cd0567c95..79494c4f2b10 100644
--- a/fs/jfs/endian24.h
+++ b/fs/jfs/endian24.h
@@ -1,5 +1,5 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2001 2 * Copyright (C) International Business Machines Corp., 2001
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 976e90dc2d1b..34181b8f5a0a 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -108,7 +108,7 @@ const struct file_operations jfs_file_operations = {
108 .aio_read = generic_file_aio_read, 108 .aio_read = generic_file_aio_read,
109 .aio_write = generic_file_aio_write, 109 .aio_write = generic_file_aio_write,
110 .mmap = generic_file_mmap, 110 .mmap = generic_file_mmap,
111 .sendfile = generic_file_sendfile, 111 .sendfile = generic_file_sendfile,
112 .fsync = jfs_fsync, 112 .fsync = jfs_fsync,
113 .release = jfs_release, 113 .release = jfs_release,
114 .ioctl = jfs_ioctl, 114 .ioctl = jfs_ioctl,
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index a8cc169235d9..f5719117edfe 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -33,7 +33,7 @@
33 33
34void jfs_read_inode(struct inode *inode) 34void jfs_read_inode(struct inode *inode)
35{ 35{
36 if (diRead(inode)) { 36 if (diRead(inode)) {
37 make_bad_inode(inode); 37 make_bad_inode(inode);
38 return; 38 return;
39 } 39 }
diff --git a/fs/jfs/jfs_acl.h b/fs/jfs/jfs_acl.h
index a76293767c73..455fa4292045 100644
--- a/fs/jfs/jfs_acl.h
+++ b/fs/jfs/jfs_acl.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2002 2 * Copyright (C) International Business Machines Corp., 2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_ACL 18#ifndef _H_JFS_ACL
diff --git a/fs/jfs/jfs_btree.h b/fs/jfs/jfs_btree.h
index 7f3e9ac454ff..79c61805bd33 100644
--- a/fs/jfs/jfs_btree.h
+++ b/fs/jfs/jfs_btree.h
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_BTREE 18#ifndef _H_JFS_BTREE
diff --git a/fs/jfs/jfs_debug.c b/fs/jfs/jfs_debug.c
index 81f0e514c490..9c5d59632aac 100644
--- a/fs/jfs/jfs_debug.c
+++ b/fs/jfs/jfs_debug.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
diff --git a/fs/jfs/jfs_dinode.h b/fs/jfs/jfs_dinode.h
index 9f2572aea561..40b20111383c 100644
--- a/fs/jfs/jfs_dinode.h
+++ b/fs/jfs/jfs_dinode.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2001 2 * Copyright (C) International Business Machines Corp., 2000-2001
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_DINODE 18#ifndef _H_JFS_DINODE
diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index f05ebb629182..23546c8fd48b 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -30,28 +30,28 @@
30 * 30 *
31 * the working state of the block allocation map is accessed in 31 * the working state of the block allocation map is accessed in
32 * two directions: 32 * two directions:
33 * 33 *
34 * 1) allocation and free requests that start at the dmap 34 * 1) allocation and free requests that start at the dmap
35 * level and move up through the dmap control pages (i.e. 35 * level and move up through the dmap control pages (i.e.
36 * the vast majority of requests). 36 * the vast majority of requests).
37 * 37 *
38 * 2) allocation requests that start at dmap control page 38 * 2) allocation requests that start at dmap control page
39 * level and work down towards the dmaps. 39 * level and work down towards the dmaps.
40 *
41 * the serialization scheme used here is as follows.
42 * 40 *
43 * requests which start at the bottom are serialized against each 41 * the serialization scheme used here is as follows.
44 * other through buffers and each requests holds onto its buffers 42 *
45 * as it works it way up from a single dmap to the required level 43 * requests which start at the bottom are serialized against each
44 * other through buffers and each requests holds onto its buffers
45 * as it works it way up from a single dmap to the required level
46 * of dmap control page. 46 * of dmap control page.
47 * requests that start at the top are serialized against each other 47 * requests that start at the top are serialized against each other
48 * and request that start from the bottom by the multiple read/single 48 * and request that start from the bottom by the multiple read/single
49 * write inode lock of the bmap inode. requests starting at the top 49 * write inode lock of the bmap inode. requests starting at the top
50 * take this lock in write mode while request starting at the bottom 50 * take this lock in write mode while request starting at the bottom
51 * take the lock in read mode. a single top-down request may proceed 51 * take the lock in read mode. a single top-down request may proceed
52 * exclusively while multiple bottoms-up requests may proceed 52 * exclusively while multiple bottoms-up requests may proceed
53 * simultaneously (under the protection of busy buffers). 53 * simultaneously (under the protection of busy buffers).
54 * 54 *
55 * in addition to information found in dmaps and dmap control pages, 55 * in addition to information found in dmaps and dmap control pages,
56 * the working state of the block allocation map also includes read/ 56 * the working state of the block allocation map also includes read/
57 * write information maintained in the bmap descriptor (i.e. total 57 * write information maintained in the bmap descriptor (i.e. total
@@ -59,7 +59,7 @@
59 * a single exclusive lock (BMAP_LOCK) is used to guard this information 59 * a single exclusive lock (BMAP_LOCK) is used to guard this information
60 * in the face of multiple-bottoms up requests. 60 * in the face of multiple-bottoms up requests.
61 * (lock ordering: IREAD_LOCK, BMAP_LOCK); 61 * (lock ordering: IREAD_LOCK, BMAP_LOCK);
62 * 62 *
63 * accesses to the persistent state of the block allocation map (limited 63 * accesses to the persistent state of the block allocation map (limited
64 * to the persistent bitmaps in dmaps) is guarded by (busy) buffers. 64 * to the persistent bitmaps in dmaps) is guarded by (busy) buffers.
65 */ 65 */
@@ -120,7 +120,7 @@ static int dbGetL2AGSize(s64 nblocks);
120/* 120/*
121 * buddy table 121 * buddy table
122 * 122 *
123 * table used for determining buddy sizes within characters of 123 * table used for determining buddy sizes within characters of
124 * dmap bitmap words. the characters themselves serve as indexes 124 * dmap bitmap words. the characters themselves serve as indexes
125 * into the table, with the table elements yielding the maximum 125 * into the table, with the table elements yielding the maximum
126 * binary buddy of free bits within the character. 126 * binary buddy of free bits within the character.
@@ -146,7 +146,7 @@ static const s8 budtab[256] = {
146 146
147 147
148/* 148/*
149 * NAME: dbMount() 149 * NAME: dbMount()
150 * 150 *
151 * FUNCTION: initializate the block allocation map. 151 * FUNCTION: initializate the block allocation map.
152 * 152 *
@@ -223,12 +223,12 @@ int dbMount(struct inode *ipbmap)
223 223
224 224
225/* 225/*
226 * NAME: dbUnmount() 226 * NAME: dbUnmount()
227 * 227 *
228 * FUNCTION: terminate the block allocation map in preparation for 228 * FUNCTION: terminate the block allocation map in preparation for
229 * file system unmount. 229 * file system unmount.
230 * 230 *
231 * the in-core bmap descriptor is written to disk and 231 * the in-core bmap descriptor is written to disk and
232 * the memory for this descriptor is freed. 232 * the memory for this descriptor is freed.
233 * 233 *
234 * PARAMETERS: 234 * PARAMETERS:
@@ -311,7 +311,7 @@ int dbSync(struct inode *ipbmap)
311 311
312 312
313/* 313/*
314 * NAME: dbFree() 314 * NAME: dbFree()
315 * 315 *
316 * FUNCTION: free the specified block range from the working block 316 * FUNCTION: free the specified block range from the working block
317 * allocation map. 317 * allocation map.
@@ -397,7 +397,7 @@ int dbFree(struct inode *ip, s64 blkno, s64 nblocks)
397 * 397 *
398 * FUNCTION: update the allocation state (free or allocate) of the 398 * FUNCTION: update the allocation state (free or allocate) of the
399 * specified block range in the persistent block allocation map. 399 * specified block range in the persistent block allocation map.
400 * 400 *
401 * the blocks will be updated in the persistent map one 401 * the blocks will be updated in the persistent map one
402 * dmap at a time. 402 * dmap at a time.
403 * 403 *
@@ -475,7 +475,7 @@ dbUpdatePMap(struct inode *ipbmap,
475 /* update the bits of the dmap words. the first and last 475 /* update the bits of the dmap words. the first and last
476 * words may only have a subset of their bits updated. if 476 * words may only have a subset of their bits updated. if
477 * this is the case, we'll work against that word (i.e. 477 * this is the case, we'll work against that word (i.e.
478 * partial first and/or last) only in a single pass. a 478 * partial first and/or last) only in a single pass. a
479 * single pass will also be used to update all words that 479 * single pass will also be used to update all words that
480 * are to have all their bits updated. 480 * are to have all their bits updated.
481 */ 481 */
@@ -662,11 +662,11 @@ unlock:
662 * the block allocation policy uses hints and a multi-step 662 * the block allocation policy uses hints and a multi-step
663 * approach. 663 * approach.
664 * 664 *
665 * for allocation requests smaller than the number of blocks 665 * for allocation requests smaller than the number of blocks
666 * per dmap, we first try to allocate the new blocks 666 * per dmap, we first try to allocate the new blocks
667 * immediately following the hint. if these blocks are not 667 * immediately following the hint. if these blocks are not
668 * available, we try to allocate blocks near the hint. if 668 * available, we try to allocate blocks near the hint. if
669 * no blocks near the hint are available, we next try to 669 * no blocks near the hint are available, we next try to
670 * allocate within the same dmap as contains the hint. 670 * allocate within the same dmap as contains the hint.
671 * 671 *
672 * if no blocks are available in the dmap or the allocation 672 * if no blocks are available in the dmap or the allocation
@@ -713,7 +713,7 @@ int dbAlloc(struct inode *ip, s64 hint, s64 nblocks, s64 * results)
713#endif /* _STILL_TO_PORT */ 713#endif /* _STILL_TO_PORT */
714 714
715 /* get the log2 number of blocks to be allocated. 715 /* get the log2 number of blocks to be allocated.
716 * if the number of blocks is not a log2 multiple, 716 * if the number of blocks is not a log2 multiple,
717 * it will be rounded up to the next log2 multiple. 717 * it will be rounded up to the next log2 multiple.
718 */ 718 */
719 l2nb = BLKSTOL2(nblocks); 719 l2nb = BLKSTOL2(nblocks);
@@ -906,7 +906,7 @@ int dbAllocExact(struct inode *ip, s64 blkno, int nblocks)
906 * validate extent request: 906 * validate extent request:
907 * 907 *
908 * note: defragfs policy: 908 * note: defragfs policy:
909 * max 64 blocks will be moved. 909 * max 64 blocks will be moved.
910 * allocation request size must be satisfied from a single dmap. 910 * allocation request size must be satisfied from a single dmap.
911 */ 911 */
912 if (nblocks <= 0 || nblocks > BPERDMAP || blkno >= bmp->db_mapsize) { 912 if (nblocks <= 0 || nblocks > BPERDMAP || blkno >= bmp->db_mapsize) {
@@ -1333,7 +1333,7 @@ dbAllocNear(struct bmap * bmp,
1333 * or two sub-trees, depending on the allocation group size. 1333 * or two sub-trees, depending on the allocation group size.
1334 * we search the top nodes of these subtrees left to right for 1334 * we search the top nodes of these subtrees left to right for
1335 * sufficient free space. if sufficient free space is found, 1335 * sufficient free space. if sufficient free space is found,
1336 * the subtree is searched to find the leftmost leaf that 1336 * the subtree is searched to find the leftmost leaf that
1337 * has free space. once we have made it to the leaf, we 1337 * has free space. once we have made it to the leaf, we
1338 * move the search to the next lower level dmap control page 1338 * move the search to the next lower level dmap control page
1339 * corresponding to this leaf. we continue down the dmap control 1339 * corresponding to this leaf. we continue down the dmap control
@@ -1398,7 +1398,7 @@ dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
1398 * that fully describes the allocation group since the allocation 1398 * that fully describes the allocation group since the allocation
1399 * group is already fully described by a dmap. in this case, we 1399 * group is already fully described by a dmap. in this case, we
1400 * just call dbAllocCtl() to search the dmap tree and allocate the 1400 * just call dbAllocCtl() to search the dmap tree and allocate the
1401 * required space if available. 1401 * required space if available.
1402 * 1402 *
1403 * if the allocation group is completely free, dbAllocCtl() is 1403 * if the allocation group is completely free, dbAllocCtl() is
1404 * also called to allocate the required space. this is done for 1404 * also called to allocate the required space. this is done for
@@ -1450,7 +1450,7 @@ dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
1450 (1 << (L2LPERCTL - (bmp->db_agheigth << 1))) / bmp->db_agwidth; 1450 (1 << (L2LPERCTL - (bmp->db_agheigth << 1))) / bmp->db_agwidth;
1451 ti = bmp->db_agstart + bmp->db_agwidth * (agno & (agperlev - 1)); 1451 ti = bmp->db_agstart + bmp->db_agwidth * (agno & (agperlev - 1));
1452 1452
1453 /* dmap control page trees fan-out by 4 and a single allocation 1453 /* dmap control page trees fan-out by 4 and a single allocation
1454 * group may be described by 1 or 2 subtrees within the ag level 1454 * group may be described by 1 or 2 subtrees within the ag level
1455 * dmap control page, depending upon the ag size. examine the ag's 1455 * dmap control page, depending upon the ag size. examine the ag's
1456 * subtrees for sufficient free space, starting with the leftmost 1456 * subtrees for sufficient free space, starting with the leftmost
@@ -1633,7 +1633,7 @@ static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)
1633 1633
1634 /* starting at the specified dmap control page level and block 1634 /* starting at the specified dmap control page level and block
1635 * number, search down the dmap control levels for the starting 1635 * number, search down the dmap control levels for the starting
1636 * block number of a dmap page that contains or starts off 1636 * block number of a dmap page that contains or starts off
1637 * sufficient free blocks. 1637 * sufficient free blocks.
1638 */ 1638 */
1639 for (lev = level, b = *blkno; lev >= 0; lev--) { 1639 for (lev = level, b = *blkno; lev >= 0; lev--) {
@@ -1677,7 +1677,7 @@ static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)
1677 } 1677 }
1678 1678
1679 /* adjust the block number to reflect the location within 1679 /* adjust the block number to reflect the location within
1680 * the dmap control page (i.e. the leaf) at which free 1680 * the dmap control page (i.e. the leaf) at which free
1681 * space was found. 1681 * space was found.
1682 */ 1682 */
1683 b += (((s64) leafidx) << budmin); 1683 b += (((s64) leafidx) << budmin);
@@ -1700,12 +1700,12 @@ static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)
1700 * NAME: dbAllocCtl() 1700 * NAME: dbAllocCtl()
1701 * 1701 *
1702 * FUNCTION: attempt to allocate a specified number of contiguous 1702 * FUNCTION: attempt to allocate a specified number of contiguous
1703 * blocks starting within a specific dmap. 1703 * blocks starting within a specific dmap.
1704 * 1704 *
1705 * this routine is called by higher level routines that search 1705 * this routine is called by higher level routines that search
1706 * the dmap control pages above the actual dmaps for contiguous 1706 * the dmap control pages above the actual dmaps for contiguous
1707 * free space. the result of successful searches by these 1707 * free space. the result of successful searches by these
1708 * routines are the starting block numbers within dmaps, with 1708 * routines are the starting block numbers within dmaps, with
1709 * the dmaps themselves containing the desired contiguous free 1709 * the dmaps themselves containing the desired contiguous free
1710 * space or starting a contiguous free space of desired size 1710 * space or starting a contiguous free space of desired size
1711 * that is made up of the blocks of one or more dmaps. these 1711 * that is made up of the blocks of one or more dmaps. these
@@ -1872,14 +1872,14 @@ dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
1872 * 1872 *
1873 * FUNCTION: attempt to allocate a specified number of contiguous blocks 1873 * FUNCTION: attempt to allocate a specified number of contiguous blocks
1874 * from a specified dmap. 1874 * from a specified dmap.
1875 * 1875 *
1876 * this routine checks if the contiguous blocks are available. 1876 * this routine checks if the contiguous blocks are available.
1877 * if so, nblocks of blocks are allocated; otherwise, ENOSPC is 1877 * if so, nblocks of blocks are allocated; otherwise, ENOSPC is
1878 * returned. 1878 * returned.
1879 * 1879 *
1880 * PARAMETERS: 1880 * PARAMETERS:
1881 * mp - pointer to bmap descriptor 1881 * mp - pointer to bmap descriptor
1882 * dp - pointer to dmap to attempt to allocate blocks from. 1882 * dp - pointer to dmap to attempt to allocate blocks from.
1883 * l2nb - log2 number of contiguous block desired. 1883 * l2nb - log2 number of contiguous block desired.
1884 * nblocks - actual number of contiguous block desired. 1884 * nblocks - actual number of contiguous block desired.
1885 * results - on successful return, set to the starting block number 1885 * results - on successful return, set to the starting block number
@@ -1890,7 +1890,7 @@ dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
1890 * -ENOSPC - insufficient disk resources 1890 * -ENOSPC - insufficient disk resources
1891 * -EIO - i/o error 1891 * -EIO - i/o error
1892 * 1892 *
1893 * serialization: IREAD_LOCK(ipbmap), e.g., from dbAlloc(), or 1893 * serialization: IREAD_LOCK(ipbmap), e.g., from dbAlloc(), or
1894 * IWRITE_LOCK(ipbmap), e.g., dbAllocCtl(), held on entry/exit; 1894 * IWRITE_LOCK(ipbmap), e.g., dbAllocCtl(), held on entry/exit;
1895 */ 1895 */
1896static int 1896static int
@@ -2032,7 +2032,7 @@ static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
2032 2032
2033 /* root changed. bubble the change up to the dmap control pages. 2033 /* root changed. bubble the change up to the dmap control pages.
2034 * if the adjustment of the upper level control pages fails, 2034 * if the adjustment of the upper level control pages fails,
2035 * backout the deallocation. 2035 * backout the deallocation.
2036 */ 2036 */
2037 if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 0, 0))) { 2037 if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 0, 0))) {
2038 word = (blkno & (BPERDMAP - 1)) >> L2DBWORD; 2038 word = (blkno & (BPERDMAP - 1)) >> L2DBWORD;
@@ -2245,7 +2245,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
2245 * words (i.e. partial first and/or last) on an individual basis 2245 * words (i.e. partial first and/or last) on an individual basis
2246 * (a single pass), freeing the bits of interest by hand and updating 2246 * (a single pass), freeing the bits of interest by hand and updating
2247 * the leaf corresponding to the dmap word. a single pass will be used 2247 * the leaf corresponding to the dmap word. a single pass will be used
2248 * for all dmap words fully contained within the specified range. 2248 * for all dmap words fully contained within the specified range.
2249 * within this pass, the bits of all fully contained dmap words will 2249 * within this pass, the bits of all fully contained dmap words will
2250 * be marked as free in a single shot and the leaves will be updated. a 2250 * be marked as free in a single shot and the leaves will be updated. a
2251 * single leaf may describe the free space of multiple dmap words, 2251 * single leaf may describe the free space of multiple dmap words,
@@ -2267,7 +2267,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
2267 */ 2267 */
2268 if (nb < DBWORD) { 2268 if (nb < DBWORD) {
2269 /* free (zero) the appropriate bits within this 2269 /* free (zero) the appropriate bits within this
2270 * dmap word. 2270 * dmap word.
2271 */ 2271 */
2272 dp->wmap[word] &= 2272 dp->wmap[word] &=
2273 cpu_to_le32(~(ONES << (DBWORD - nb) 2273 cpu_to_le32(~(ONES << (DBWORD - nb)
@@ -2327,7 +2327,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
2327 2327
2328 BMAP_LOCK(bmp); 2328 BMAP_LOCK(bmp);
2329 2329
2330 /* update the free count for the allocation group and 2330 /* update the free count for the allocation group and
2331 * map. 2331 * map.
2332 */ 2332 */
2333 agno = blkno >> bmp->db_agl2size; 2333 agno = blkno >> bmp->db_agl2size;
@@ -2378,7 +2378,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
2378 * or deallocation resulted in the root change. this range 2378 * or deallocation resulted in the root change. this range
2379 * is respresented by a single leaf of the current dmapctl 2379 * is respresented by a single leaf of the current dmapctl
2380 * and the leaf will be updated with this value, possibly 2380 * and the leaf will be updated with this value, possibly
2381 * causing a binary buddy system within the leaves to be 2381 * causing a binary buddy system within the leaves to be
2382 * split or joined. the update may also cause the dmapctl's 2382 * split or joined. the update may also cause the dmapctl's
2383 * dmtree to be updated. 2383 * dmtree to be updated.
2384 * 2384 *
@@ -2590,7 +2590,7 @@ static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
2590 } 2590 }
2591 } 2591 }
2592 2592
2593 /* adjust the dmap tree to reflect the specified leaf's new 2593 /* adjust the dmap tree to reflect the specified leaf's new
2594 * value. 2594 * value.
2595 */ 2595 */
2596 dbAdjTree(tp, leafno, newval); 2596 dbAdjTree(tp, leafno, newval);
@@ -2638,7 +2638,7 @@ static int dbBackSplit(dmtree_t * tp, int leafno)
2638 /* the back split is accomplished by iteratively finding the leaf 2638 /* the back split is accomplished by iteratively finding the leaf
2639 * that starts the buddy system that contains the specified leaf and 2639 * that starts the buddy system that contains the specified leaf and
2640 * splitting that system in two. this iteration continues until 2640 * splitting that system in two. this iteration continues until
2641 * the specified leaf becomes the start of a buddy system. 2641 * the specified leaf becomes the start of a buddy system.
2642 * 2642 *
2643 * determine maximum possible l2 size for the specified leaf. 2643 * determine maximum possible l2 size for the specified leaf.
2644 */ 2644 */
@@ -2853,7 +2853,7 @@ static void dbAdjTree(dmtree_t * tp, int leafno, int newval)
2853 * NAME: dbFindLeaf() 2853 * NAME: dbFindLeaf()
2854 * 2854 *
2855 * FUNCTION: search a dmtree_t for sufficient free blocks, returning 2855 * FUNCTION: search a dmtree_t for sufficient free blocks, returning
2856 * the index of a leaf describing the free blocks if 2856 * the index of a leaf describing the free blocks if
2857 * sufficient free blocks are found. 2857 * sufficient free blocks are found.
2858 * 2858 *
2859 * the search starts at the top of the dmtree_t tree and 2859 * the search starts at the top of the dmtree_t tree and
@@ -2869,7 +2869,7 @@ static void dbAdjTree(dmtree_t * tp, int leafno, int newval)
2869 * 2869 *
2870 * RETURN VALUES: 2870 * RETURN VALUES:
2871 * 0 - success 2871 * 0 - success
2872 * -ENOSPC - insufficient free blocks. 2872 * -ENOSPC - insufficient free blocks.
2873 */ 2873 */
2874static int dbFindLeaf(dmtree_t * tp, int l2nb, int *leafidx) 2874static int dbFindLeaf(dmtree_t * tp, int l2nb, int *leafidx)
2875{ 2875{
@@ -3090,7 +3090,7 @@ static int blkstol2(s64 nb)
3090 3090
3091 3091
3092/* 3092/*
3093 * NAME: dbAllocBottomUp() 3093 * NAME: dbAllocBottomUp()
3094 * 3094 *
3095 * FUNCTION: alloc the specified block range from the working block 3095 * FUNCTION: alloc the specified block range from the working block
3096 * allocation map. 3096 * allocation map.
@@ -3241,7 +3241,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
3241 BMAP_LOCK(bmp); 3241 BMAP_LOCK(bmp);
3242 3242
3243 /* if this allocation group is completely free, 3243 /* if this allocation group is completely free,
3244 * update the highest active allocation group number 3244 * update the highest active allocation group number
3245 * if this allocation group is the new max. 3245 * if this allocation group is the new max.
3246 */ 3246 */
3247 agno = blkno >> bmp->db_agl2size; 3247 agno = blkno >> bmp->db_agl2size;
@@ -3273,7 +3273,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
3273 * NAME: dbExtendFS() 3273 * NAME: dbExtendFS()
3274 * 3274 *
3275 * FUNCTION: extend bmap from blkno for nblocks; 3275 * FUNCTION: extend bmap from blkno for nblocks;
3276 * dbExtendFS() updates bmap ready for dbAllocBottomUp(); 3276 * dbExtendFS() updates bmap ready for dbAllocBottomUp();
3277 * 3277 *
3278 * L2 3278 * L2
3279 * | 3279 * |
@@ -3284,7 +3284,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
3284 * d0,...,dn d0,...,dn d0,...,dn d0,...,dn d0,...,dn d0,.,dm; 3284 * d0,...,dn d0,...,dn d0,...,dn d0,...,dn d0,...,dn d0,.,dm;
3285 * L2L1L0d0,...,dnL0d0,...,dnL0d0,...,dnL1L0d0,...,dnL0d0,...,dnL0d0,..dm 3285 * L2L1L0d0,...,dnL0d0,...,dnL0d0,...,dnL1L0d0,...,dnL0d0,...,dnL0d0,..dm
3286 * 3286 *
3287 * <---old---><----------------------------extend-----------------------> 3287 * <---old---><----------------------------extend----------------------->
3288 */ 3288 */
3289int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks) 3289int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
3290{ 3290{
@@ -3330,7 +3330,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
3330 bmp->db_numag += ((u32) newsize % (u32) bmp->db_agsize) ? 1 : 0; 3330 bmp->db_numag += ((u32) newsize % (u32) bmp->db_agsize) ? 1 : 0;
3331 3331
3332 /* 3332 /*
3333 * reconfigure db_agfree[] 3333 * reconfigure db_agfree[]
3334 * from old AG configuration to new AG configuration; 3334 * from old AG configuration to new AG configuration;
3335 * 3335 *
3336 * coalesce contiguous k (newAGSize/oldAGSize) AGs; 3336 * coalesce contiguous k (newAGSize/oldAGSize) AGs;
@@ -3491,7 +3491,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
3491 } /* for each dmap in a L0 */ 3491 } /* for each dmap in a L0 */
3492 3492
3493 /* 3493 /*
3494 * build current L0 page from its leaves, and 3494 * build current L0 page from its leaves, and
3495 * initialize corresponding parent L1 leaf 3495 * initialize corresponding parent L1 leaf
3496 */ 3496 */
3497 *l1leaf = dbInitDmapCtl(l0dcp, 0, ++i); 3497 *l1leaf = dbInitDmapCtl(l0dcp, 0, ++i);
@@ -3515,7 +3515,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
3515 } /* for each L0 in a L1 */ 3515 } /* for each L0 in a L1 */
3516 3516
3517 /* 3517 /*
3518 * build current L1 page from its leaves, and 3518 * build current L1 page from its leaves, and
3519 * initialize corresponding parent L2 leaf 3519 * initialize corresponding parent L2 leaf
3520 */ 3520 */
3521 *l2leaf = dbInitDmapCtl(l1dcp, 1, ++j); 3521 *l2leaf = dbInitDmapCtl(l1dcp, 1, ++j);
@@ -3570,7 +3570,7 @@ void dbFinalizeBmap(struct inode *ipbmap)
3570 * finalize bmap control page 3570 * finalize bmap control page
3571 */ 3571 */
3572//finalize: 3572//finalize:
3573 /* 3573 /*
3574 * compute db_agpref: preferred ag to allocate from 3574 * compute db_agpref: preferred ag to allocate from
3575 * (the leftmost ag with average free space in it); 3575 * (the leftmost ag with average free space in it);
3576 */ 3576 */
@@ -3614,9 +3614,9 @@ void dbFinalizeBmap(struct inode *ipbmap)
3614 3614
3615 /* 3615 /*
3616 * compute db_aglevel, db_agheigth, db_width, db_agstart: 3616 * compute db_aglevel, db_agheigth, db_width, db_agstart:
3617 * an ag is covered in aglevel dmapctl summary tree, 3617 * an ag is covered in aglevel dmapctl summary tree,
3618 * at agheight level height (from leaf) with agwidth number of nodes 3618 * at agheight level height (from leaf) with agwidth number of nodes
3619 * each, which starts at agstart index node of the smmary tree node 3619 * each, which starts at agstart index node of the smmary tree node
3620 * array; 3620 * array;
3621 */ 3621 */
3622 bmp->db_aglevel = BMAPSZTOLEV(bmp->db_agsize); 3622 bmp->db_aglevel = BMAPSZTOLEV(bmp->db_agsize);
@@ -3635,13 +3635,13 @@ void dbFinalizeBmap(struct inode *ipbmap)
3635 3635
3636/* 3636/*
3637 * NAME: dbInitDmap()/ujfs_idmap_page() 3637 * NAME: dbInitDmap()/ujfs_idmap_page()
3638 * 3638 *
3639 * FUNCTION: initialize working/persistent bitmap of the dmap page 3639 * FUNCTION: initialize working/persistent bitmap of the dmap page
3640 * for the specified number of blocks: 3640 * for the specified number of blocks:
3641 * 3641 *
3642 * at entry, the bitmaps had been initialized as free (ZEROS); 3642 * at entry, the bitmaps had been initialized as free (ZEROS);
3643 * The number of blocks will only account for the actually 3643 * The number of blocks will only account for the actually
3644 * existing blocks. Blocks which don't actually exist in 3644 * existing blocks. Blocks which don't actually exist in
3645 * the aggregate will be marked as allocated (ONES); 3645 * the aggregate will be marked as allocated (ONES);
3646 * 3646 *
3647 * PARAMETERS: 3647 * PARAMETERS:
@@ -3677,7 +3677,7 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
3677 3677
3678 /* 3678 /*
3679 * free the bits corresponding to the block range (ZEROS): 3679 * free the bits corresponding to the block range (ZEROS):
3680 * note: not all bits of the first and last words may be contained 3680 * note: not all bits of the first and last words may be contained
3681 * within the block range. 3681 * within the block range.
3682 */ 3682 */
3683 for (r = nblocks; r > 0; r -= nb, blkno += nb) { 3683 for (r = nblocks; r > 0; r -= nb, blkno += nb) {
@@ -3709,7 +3709,7 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
3709 } 3709 }
3710 3710
3711 /* 3711 /*
3712 * mark bits following the range to be freed (non-existing 3712 * mark bits following the range to be freed (non-existing
3713 * blocks) as allocated (ONES) 3713 * blocks) as allocated (ONES)
3714 */ 3714 */
3715 3715
@@ -3741,11 +3741,11 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
3741 3741
3742/* 3742/*
3743 * NAME: dbInitDmapTree()/ujfs_complete_dmap() 3743 * NAME: dbInitDmapTree()/ujfs_complete_dmap()
3744 * 3744 *
3745 * FUNCTION: initialize summary tree of the specified dmap: 3745 * FUNCTION: initialize summary tree of the specified dmap:
3746 * 3746 *
3747 * at entry, bitmap of the dmap has been initialized; 3747 * at entry, bitmap of the dmap has been initialized;
3748 * 3748 *
3749 * PARAMETERS: 3749 * PARAMETERS:
3750 * dp - dmap to complete 3750 * dp - dmap to complete
3751 * blkno - starting block number for this dmap 3751 * blkno - starting block number for this dmap
@@ -3769,7 +3769,7 @@ static int dbInitDmapTree(struct dmap * dp)
3769 3769
3770 /* init each leaf from corresponding wmap word: 3770 /* init each leaf from corresponding wmap word:
3771 * note: leaf is set to NOFREE(-1) if all blocks of corresponding 3771 * note: leaf is set to NOFREE(-1) if all blocks of corresponding
3772 * bitmap word are allocated. 3772 * bitmap word are allocated.
3773 */ 3773 */
3774 cp = tp->stree + le32_to_cpu(tp->leafidx); 3774 cp = tp->stree + le32_to_cpu(tp->leafidx);
3775 for (i = 0; i < LPERDMAP; i++) 3775 for (i = 0; i < LPERDMAP; i++)
@@ -3782,10 +3782,10 @@ static int dbInitDmapTree(struct dmap * dp)
3782 3782
3783/* 3783/*
3784 * NAME: dbInitTree()/ujfs_adjtree() 3784 * NAME: dbInitTree()/ujfs_adjtree()
3785 * 3785 *
3786 * FUNCTION: initialize binary buddy summary tree of a dmap or dmapctl. 3786 * FUNCTION: initialize binary buddy summary tree of a dmap or dmapctl.
3787 * 3787 *
3788 * at entry, the leaves of the tree has been initialized 3788 * at entry, the leaves of the tree has been initialized
3789 * from corresponding bitmap word or root of summary tree 3789 * from corresponding bitmap word or root of summary tree
3790 * of the child control page; 3790 * of the child control page;
3791 * configure binary buddy system at the leaf level, then 3791 * configure binary buddy system at the leaf level, then
@@ -3813,15 +3813,15 @@ static int dbInitTree(struct dmaptree * dtp)
3813 /* 3813 /*
3814 * configure the leaf levevl into binary buddy system 3814 * configure the leaf levevl into binary buddy system
3815 * 3815 *
3816 * Try to combine buddies starting with a buddy size of 1 3816 * Try to combine buddies starting with a buddy size of 1
3817 * (i.e. two leaves). At a buddy size of 1 two buddy leaves 3817 * (i.e. two leaves). At a buddy size of 1 two buddy leaves
3818 * can be combined if both buddies have a maximum free of l2min; 3818 * can be combined if both buddies have a maximum free of l2min;
3819 * the combination will result in the left-most buddy leaf having 3819 * the combination will result in the left-most buddy leaf having
3820 * a maximum free of l2min+1. 3820 * a maximum free of l2min+1.
3821 * After processing all buddies for a given size, process buddies 3821 * After processing all buddies for a given size, process buddies
3822 * at the next higher buddy size (i.e. current size * 2) and 3822 * at the next higher buddy size (i.e. current size * 2) and
3823 * the next maximum free (current free + 1). 3823 * the next maximum free (current free + 1).
3824 * This continues until the maximum possible buddy combination 3824 * This continues until the maximum possible buddy combination
3825 * yields maximum free. 3825 * yields maximum free.
3826 */ 3826 */
3827 for (l2free = dtp->budmin, bsize = 1; l2free < l2max; 3827 for (l2free = dtp->budmin, bsize = 1; l2free < l2max;
@@ -3845,10 +3845,10 @@ static int dbInitTree(struct dmaptree * dtp)
3845 * bubble summary information of leaves up the tree. 3845 * bubble summary information of leaves up the tree.
3846 * 3846 *
3847 * Starting at the leaf node level, the four nodes described by 3847 * Starting at the leaf node level, the four nodes described by
3848 * the higher level parent node are compared for a maximum free and 3848 * the higher level parent node are compared for a maximum free and
3849 * this maximum becomes the value of the parent node. 3849 * this maximum becomes the value of the parent node.
3850 * when all lower level nodes are processed in this fashion then 3850 * when all lower level nodes are processed in this fashion then
3851 * move up to the next level (parent becomes a lower level node) and 3851 * move up to the next level (parent becomes a lower level node) and
3852 * continue the process for that level. 3852 * continue the process for that level.
3853 */ 3853 */
3854 for (child = le32_to_cpu(dtp->leafidx), 3854 for (child = le32_to_cpu(dtp->leafidx),
@@ -3857,7 +3857,7 @@ static int dbInitTree(struct dmaptree * dtp)
3857 /* get index of 1st node of parent level */ 3857 /* get index of 1st node of parent level */
3858 parent = (child - 1) >> 2; 3858 parent = (child - 1) >> 2;
3859 3859
3860 /* set the value of the parent node as the maximum 3860 /* set the value of the parent node as the maximum
3861 * of the four nodes of the current level. 3861 * of the four nodes of the current level.
3862 */ 3862 */
3863 for (i = 0, cp = tp + child, cp1 = tp + parent; 3863 for (i = 0, cp = tp + child, cp1 = tp + parent;
@@ -3885,8 +3885,8 @@ static int dbInitDmapCtl(struct dmapctl * dcp, int level, int i)
3885 dcp->budmin = L2BPERDMAP + L2LPERCTL * level; 3885 dcp->budmin = L2BPERDMAP + L2LPERCTL * level;
3886 3886
3887 /* 3887 /*
3888 * initialize the leaves of current level that were not covered 3888 * initialize the leaves of current level that were not covered
3889 * by the specified input block range (i.e. the leaves have no 3889 * by the specified input block range (i.e. the leaves have no
3890 * low level dmapctl or dmap). 3890 * low level dmapctl or dmap).
3891 */ 3891 */
3892 cp = &dcp->stree[CTLLEAFIND + i]; 3892 cp = &dcp->stree[CTLLEAFIND + i];
@@ -3900,9 +3900,9 @@ static int dbInitDmapCtl(struct dmapctl * dcp, int level, int i)
3900 3900
3901/* 3901/*
3902 * NAME: dbGetL2AGSize()/ujfs_getagl2size() 3902 * NAME: dbGetL2AGSize()/ujfs_getagl2size()
3903 * 3903 *
3904 * FUNCTION: Determine log2(allocation group size) from aggregate size 3904 * FUNCTION: Determine log2(allocation group size) from aggregate size
3905 * 3905 *
3906 * PARAMETERS: 3906 * PARAMETERS:
3907 * nblocks - Number of blocks in aggregate 3907 * nblocks - Number of blocks in aggregate
3908 * 3908 *
@@ -3935,8 +3935,8 @@ static int dbGetL2AGSize(s64 nblocks)
3935 3935
3936/* 3936/*
3937 * NAME: dbMapFileSizeToMapSize() 3937 * NAME: dbMapFileSizeToMapSize()
3938 * 3938 *
3939 * FUNCTION: compute number of blocks the block allocation map file 3939 * FUNCTION: compute number of blocks the block allocation map file
3940 * can cover from the map file size; 3940 * can cover from the map file size;
3941 * 3941 *
3942 * RETURNS: Number of blocks which can be covered by this block map file; 3942 * RETURNS: Number of blocks which can be covered by this block map file;
@@ -3968,7 +3968,7 @@ s64 dbMapFileSizeToMapSize(struct inode * ipbmap)
3968 npages = nblocks >> JFS_SBI(sb)->l2nbperpage; 3968 npages = nblocks >> JFS_SBI(sb)->l2nbperpage;
3969 level = BMAPPGTOLEV(npages); 3969 level = BMAPPGTOLEV(npages);
3970 3970
3971 /* At each level, accumulate the number of dmap pages covered by 3971 /* At each level, accumulate the number of dmap pages covered by
3972 * the number of full child levels below it; 3972 * the number of full child levels below it;
3973 * repeat for the last incomplete child level. 3973 * repeat for the last incomplete child level.
3974 */ 3974 */
@@ -3990,7 +3990,7 @@ s64 dbMapFileSizeToMapSize(struct inode * ipbmap)
3990 npages--; 3990 npages--;
3991 } 3991 }
3992 3992
3993 /* convert the number of dmaps into the number of blocks 3993 /* convert the number of dmaps into the number of blocks
3994 * which can be covered by the dmaps; 3994 * which can be covered by the dmaps;
3995 */ 3995 */
3996 nblocks = ndmaps << L2BPERDMAP; 3996 nblocks = ndmaps << L2BPERDMAP;
diff --git a/fs/jfs/jfs_dmap.h b/fs/jfs/jfs_dmap.h
index 8b14cc8e0228..45ea454c74bd 100644
--- a/fs/jfs/jfs_dmap.h
+++ b/fs/jfs/jfs_dmap.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_DMAP 18#ifndef _H_JFS_DMAP
@@ -27,7 +27,7 @@
27#define L2LPERDMAP 8 /* l2 number of leaves per dmap tree */ 27#define L2LPERDMAP 8 /* l2 number of leaves per dmap tree */
28#define DBWORD 32 /* # of blks covered by a map word */ 28#define DBWORD 32 /* # of blks covered by a map word */
29#define L2DBWORD 5 /* l2 # of blks covered by a mword */ 29#define L2DBWORD 5 /* l2 # of blks covered by a mword */
30#define BUDMIN L2DBWORD /* max free string in a map word */ 30#define BUDMIN L2DBWORD /* max free string in a map word */
31#define BPERDMAP (LPERDMAP * DBWORD) /* num of blks per dmap */ 31#define BPERDMAP (LPERDMAP * DBWORD) /* num of blks per dmap */
32#define L2BPERDMAP 13 /* l2 num of blks per dmap */ 32#define L2BPERDMAP 13 /* l2 num of blks per dmap */
33#define CTLTREESIZE (1024+256+64+16+4+1) /* size of a dmapctl tree */ 33#define CTLTREESIZE (1024+256+64+16+4+1) /* size of a dmapctl tree */
@@ -57,7 +57,7 @@
57 57
58#define MAXMAPSIZE MAXL2SIZE /* maximum aggregate map size */ 58#define MAXMAPSIZE MAXL2SIZE /* maximum aggregate map size */
59 59
60/* 60/*
61 * determine the maximum free string for four (lower level) nodes 61 * determine the maximum free string for four (lower level) nodes
62 * of the tree. 62 * of the tree.
63 */ 63 */
@@ -122,7 +122,7 @@ static __inline signed char TREEMAX(signed char *cp)
122#define BLKTOCTL(b,s,l) \ 122#define BLKTOCTL(b,s,l) \
123 (((l) == 2) ? 1 : ((l) == 1) ? BLKTOL1((b),(s)) : BLKTOL0((b),(s))) 123 (((l) == 2) ? 1 : ((l) == 1) ? BLKTOL1((b),(s)) : BLKTOL0((b),(s)))
124 124
125/* 125/*
126 * convert aggregate map size to the zero origin dmapctl level of the 126 * convert aggregate map size to the zero origin dmapctl level of the
127 * top dmapctl. 127 * top dmapctl.
128 */ 128 */
@@ -192,13 +192,13 @@ typedef union dmtree {
192 192
193/* macros for accessing fields within dmtree */ 193/* macros for accessing fields within dmtree */
194#define dmt_nleafs t1.nleafs 194#define dmt_nleafs t1.nleafs
195#define dmt_l2nleafs t1.l2nleafs 195#define dmt_l2nleafs t1.l2nleafs
196#define dmt_leafidx t1.leafidx 196#define dmt_leafidx t1.leafidx
197#define dmt_height t1.height 197#define dmt_height t1.height
198#define dmt_budmin t1.budmin 198#define dmt_budmin t1.budmin
199#define dmt_stree t1.stree 199#define dmt_stree t1.stree
200 200
201/* 201/*
202 * on-disk aggregate disk allocation map descriptor. 202 * on-disk aggregate disk allocation map descriptor.
203 */ 203 */
204struct dbmap_disk { 204struct dbmap_disk {
@@ -237,7 +237,7 @@ struct dbmap {
237 s64 dn_agsize; /* num of blks per alloc group */ 237 s64 dn_agsize; /* num of blks per alloc group */
238 signed char dn_maxfreebud; /* max free buddy system */ 238 signed char dn_maxfreebud; /* max free buddy system */
239}; /* - 4096 - */ 239}; /* - 4096 - */
240/* 240/*
241 * in-memory aggregate disk allocation map descriptor. 241 * in-memory aggregate disk allocation map descriptor.
242 */ 242 */
243struct bmap { 243struct bmap {
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index a9f2604f28cf..ecb2216d881c 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -78,7 +78,7 @@
78 * 78 *
79 * case-insensitive search: 79 * case-insensitive search:
80 * 80 *
81 * fold search key; 81 * fold search key;
82 * 82 *
83 * case-insensitive search of B-tree: 83 * case-insensitive search of B-tree:
84 * for internal entry, router key is already folded; 84 * for internal entry, router key is already folded;
@@ -93,7 +93,7 @@
93 * else 93 * else
94 * return no match; 94 * return no match;
95 * 95 *
96 * serialization: 96 * serialization:
97 * target directory inode lock is being held on entry/exit 97 * target directory inode lock is being held on entry/exit
98 * of all main directory service routines. 98 * of all main directory service routines.
99 * 99 *
@@ -925,7 +925,7 @@ int dtInsert(tid_t tid, struct inode *ip,
925 * 925 *
926 * return: 0 - success; 926 * return: 0 - success;
927 * errno - failure; 927 * errno - failure;
928 * leaf page unpinned; 928 * leaf page unpinned;
929 */ 929 */
930static int dtSplitUp(tid_t tid, 930static int dtSplitUp(tid_t tid,
931 struct inode *ip, struct dtsplit * split, struct btstack * btstack) 931 struct inode *ip, struct dtsplit * split, struct btstack * btstack)
@@ -3767,7 +3767,7 @@ static int ciCompare(struct component_name * key, /* search key */
3767 * across page boundary 3767 * across page boundary
3768 * 3768 *
3769 * return: non-zero on error 3769 * return: non-zero on error
3770 * 3770 *
3771 */ 3771 */
3772static int ciGetLeafPrefixKey(dtpage_t * lp, int li, dtpage_t * rp, 3772static int ciGetLeafPrefixKey(dtpage_t * lp, int li, dtpage_t * rp,
3773 int ri, struct component_name * key, int flag) 3773 int ri, struct component_name * key, int flag)
diff --git a/fs/jfs/jfs_dtree.h b/fs/jfs/jfs_dtree.h
index 13e4fdf07724..af8513f78648 100644
--- a/fs/jfs/jfs_dtree.h
+++ b/fs/jfs/jfs_dtree.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_DTREE 18#ifndef _H_JFS_DTREE
@@ -80,7 +80,7 @@ struct idtentry {
80/* 80/*
81 * leaf node entry head/only segment 81 * leaf node entry head/only segment
82 * 82 *
83 * For legacy filesystems, name contains 13 wchars -- no index field 83 * For legacy filesystems, name contains 13 wchars -- no index field
84 */ 84 */
85struct ldtentry { 85struct ldtentry {
86 __le32 inumber; /* 4: 4-byte aligned */ 86 __le32 inumber; /* 4: 4-byte aligned */
diff --git a/fs/jfs/jfs_extent.c b/fs/jfs/jfs_extent.c
index 933b7457bfbd..a35bdca6a805 100644
--- a/fs/jfs/jfs_extent.c
+++ b/fs/jfs/jfs_extent.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -125,7 +125,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
125 } 125 }
126 126
127 /* allocate the disk blocks for the extent. initially, extBalloc() 127 /* allocate the disk blocks for the extent. initially, extBalloc()
128 * will try to allocate disk blocks for the requested size (xlen). 128 * will try to allocate disk blocks for the requested size (xlen).
129 * if this fails (xlen contiguous free blocks not avaliable), it'll 129 * if this fails (xlen contiguous free blocks not avaliable), it'll
130 * try to allocate a smaller number of blocks (producing a smaller 130 * try to allocate a smaller number of blocks (producing a smaller
131 * extent), with this smaller number of blocks consisting of the 131 * extent), with this smaller number of blocks consisting of the
@@ -150,7 +150,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
150 /* determine the value of the extent flag */ 150 /* determine the value of the extent flag */
151 xflag = abnr ? XAD_NOTRECORDED : 0; 151 xflag = abnr ? XAD_NOTRECORDED : 0;
152 152
153 /* if we can extend the hint extent to cover the current request, 153 /* if we can extend the hint extent to cover the current request,
154 * extend it. otherwise, insert a new extent to 154 * extend it. otherwise, insert a new extent to
155 * cover the current request. 155 * cover the current request.
156 */ 156 */
@@ -159,7 +159,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
159 else 159 else
160 rc = xtInsert(0, ip, xflag, xoff, (int) nxlen, &nxaddr, 0); 160 rc = xtInsert(0, ip, xflag, xoff, (int) nxlen, &nxaddr, 0);
161 161
162 /* if the extend or insert failed, 162 /* if the extend or insert failed,
163 * free the newly allocated blocks and return the error. 163 * free the newly allocated blocks and return the error.
164 */ 164 */
165 if (rc) { 165 if (rc) {
@@ -235,7 +235,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, bool abnr)
235 xoff = offsetXAD(xp); 235 xoff = offsetXAD(xp);
236 236
237 /* if the extend page is abnr and if the request is for 237 /* if the extend page is abnr and if the request is for
238 * the extent to be allocated and recorded, 238 * the extent to be allocated and recorded,
239 * make the page allocated and recorded. 239 * make the page allocated and recorded.
240 */ 240 */
241 if ((xp->flag & XAD_NOTRECORDED) && !abnr) { 241 if ((xp->flag & XAD_NOTRECORDED) && !abnr) {
@@ -397,7 +397,7 @@ int extHint(struct inode *ip, s64 offset, xad_t * xp)
397 if ((rc = xtLookupList(ip, &lxdl, &xadl, 0))) 397 if ((rc = xtLookupList(ip, &lxdl, &xadl, 0)))
398 return (rc); 398 return (rc);
399 399
400 /* check if not extent exists for the previous page. 400 /* check if not extent exists for the previous page.
401 * this is possible for sparse files. 401 * this is possible for sparse files.
402 */ 402 */
403 if (xadl.nxad == 0) { 403 if (xadl.nxad == 0) {
@@ -410,7 +410,7 @@ int extHint(struct inode *ip, s64 offset, xad_t * xp)
410 */ 410 */
411 xp->flag &= XAD_NOTRECORDED; 411 xp->flag &= XAD_NOTRECORDED;
412 412
413 if(xadl.nxad != 1 || lengthXAD(xp) != nbperpage) { 413 if(xadl.nxad != 1 || lengthXAD(xp) != nbperpage) {
414 jfs_error(ip->i_sb, "extHint: corrupt xtree"); 414 jfs_error(ip->i_sb, "extHint: corrupt xtree");
415 return -EIO; 415 return -EIO;
416 } 416 }
@@ -492,7 +492,7 @@ int extFill(struct inode *ip, xad_t * xp)
492 * FUNCTION: allocate disk blocks to form an extent. 492 * FUNCTION: allocate disk blocks to form an extent.
493 * 493 *
494 * initially, we will try to allocate disk blocks for the 494 * initially, we will try to allocate disk blocks for the
495 * requested size (nblocks). if this fails (nblocks 495 * requested size (nblocks). if this fails (nblocks
496 * contiguous free blocks not avaliable), we'll try to allocate 496 * contiguous free blocks not avaliable), we'll try to allocate
497 * a smaller number of blocks (producing a smaller extent), with 497 * a smaller number of blocks (producing a smaller extent), with
498 * this smaller number of blocks consisting of the requested 498 * this smaller number of blocks consisting of the requested
@@ -500,7 +500,7 @@ int extFill(struct inode *ip, xad_t * xp)
500 * number (i.e. 16 -> 8). we'll continue to round down and 500 * number (i.e. 16 -> 8). we'll continue to round down and
501 * retry the allocation until the number of blocks to allocate 501 * retry the allocation until the number of blocks to allocate
502 * is smaller than the number of blocks per page. 502 * is smaller than the number of blocks per page.
503 * 503 *
504 * PARAMETERS: 504 * PARAMETERS:
505 * ip - the inode of the file. 505 * ip - the inode of the file.
506 * hint - disk block number to be used as an allocation hint. 506 * hint - disk block number to be used as an allocation hint.
@@ -509,7 +509,7 @@ int extFill(struct inode *ip, xad_t * xp)
509 * exit, this value is set to the number of blocks actually 509 * exit, this value is set to the number of blocks actually
510 * allocated. 510 * allocated.
511 * blkno - pointer to a block address that is filled in on successful 511 * blkno - pointer to a block address that is filled in on successful
512 * return with the starting block number of the newly 512 * return with the starting block number of the newly
513 * allocated block range. 513 * allocated block range.
514 * 514 *
515 * RETURN VALUES: 515 * RETURN VALUES:
@@ -530,7 +530,7 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
530 /* get the number of blocks to initially attempt to allocate. 530 /* get the number of blocks to initially attempt to allocate.
531 * we'll first try the number of blocks requested unless this 531 * we'll first try the number of blocks requested unless this
532 * number is greater than the maximum number of contiguous free 532 * number is greater than the maximum number of contiguous free
533 * blocks in the map. in that case, we'll start off with the 533 * blocks in the map. in that case, we'll start off with the
534 * maximum free. 534 * maximum free.
535 */ 535 */
536 max = (s64) 1 << bmp->db_maxfreebud; 536 max = (s64) 1 << bmp->db_maxfreebud;
@@ -582,19 +582,19 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
582 * 582 *
583 * FUNCTION: attempt to extend an extent's allocation. 583 * FUNCTION: attempt to extend an extent's allocation.
584 * 584 *
585 * initially, we will try to extend the extent's allocation 585 * Initially, we will try to extend the extent's allocation
586 * in place. if this fails, we'll try to move the extent 586 * in place. If this fails, we'll try to move the extent
587 * to a new set of blocks. if moving the extent, we initially 587 * to a new set of blocks. If moving the extent, we initially
588 * will try to allocate disk blocks for the requested size 588 * will try to allocate disk blocks for the requested size
589 * (nnew). if this fails (new contiguous free blocks not 589 * (newnblks). if this fails (new contiguous free blocks not
590 * avaliable), we'll try to allocate a smaller number of 590 * avaliable), we'll try to allocate a smaller number of
591 * blocks (producing a smaller extent), with this smaller 591 * blocks (producing a smaller extent), with this smaller
592 * number of blocks consisting of the requested number of 592 * number of blocks consisting of the requested number of
593 * blocks rounded down to the next smaller power of 2 593 * blocks rounded down to the next smaller power of 2
594 * number (i.e. 16 -> 8). we'll continue to round down and 594 * number (i.e. 16 -> 8). We'll continue to round down and
595 * retry the allocation until the number of blocks to allocate 595 * retry the allocation until the number of blocks to allocate
596 * is smaller than the number of blocks per page. 596 * is smaller than the number of blocks per page.
597 * 597 *
598 * PARAMETERS: 598 * PARAMETERS:
599 * ip - the inode of the file. 599 * ip - the inode of the file.
600 * blkno - starting block number of the extents current allocation. 600 * blkno - starting block number of the extents current allocation.
@@ -625,7 +625,7 @@ extBrealloc(struct inode *ip,
625 return (rc); 625 return (rc);
626 } 626 }
627 627
628 /* in place extension not possible. 628 /* in place extension not possible.
629 * try to move the extent to a new set of blocks. 629 * try to move the extent to a new set of blocks.
630 */ 630 */
631 return (extBalloc(ip, blkno, newnblks, newblkno)); 631 return (extBalloc(ip, blkno, newnblks, newblkno));
diff --git a/fs/jfs/jfs_extent.h b/fs/jfs/jfs_extent.h
index 3a7f3f22e989..b567e12c52d3 100644
--- a/fs/jfs/jfs_extent.h
+++ b/fs/jfs/jfs_extent.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2001 2 * Copyright (C) International Business Machines Corp., 2000-2001
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_EXTENT 18#ifndef _H_JFS_EXTENT
diff --git a/fs/jfs/jfs_filsys.h b/fs/jfs/jfs_filsys.h
index 72a5588faeca..9901928668cf 100644
--- a/fs/jfs/jfs_filsys.h
+++ b/fs/jfs/jfs_filsys.h
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_FILSYS 18#ifndef _H_JFS_FILSYS
@@ -21,9 +21,9 @@
21/* 21/*
22 * jfs_filsys.h 22 * jfs_filsys.h
23 * 23 *
24 * file system (implementation-dependent) constants 24 * file system (implementation-dependent) constants
25 * 25 *
26 * refer to <limits.h> for system wide implementation-dependent constants 26 * refer to <limits.h> for system wide implementation-dependent constants
27 */ 27 */
28 28
29/* 29/*
@@ -49,7 +49,7 @@
49 49
50#define JFS_DFS 0x20000000 /* DCE DFS LFS support */ 50#define JFS_DFS 0x20000000 /* DCE DFS LFS support */
51 51
52#define JFS_LINUX 0x10000000 /* Linux support */ 52#define JFS_LINUX 0x10000000 /* Linux support */
53/* case-sensitive name/directory support */ 53/* case-sensitive name/directory support */
54 54
55/* directory option */ 55/* directory option */
@@ -59,7 +59,7 @@
59#define JFS_COMMIT 0x00000f00 /* commit option mask */ 59#define JFS_COMMIT 0x00000f00 /* commit option mask */
60#define JFS_GROUPCOMMIT 0x00000100 /* group (of 1) commit */ 60#define JFS_GROUPCOMMIT 0x00000100 /* group (of 1) commit */
61#define JFS_LAZYCOMMIT 0x00000200 /* lazy commit */ 61#define JFS_LAZYCOMMIT 0x00000200 /* lazy commit */
62#define JFS_TMPFS 0x00000400 /* temporary file system - 62#define JFS_TMPFS 0x00000400 /* temporary file system -
63 * do not log/commit: 63 * do not log/commit:
64 */ 64 */
65 65
@@ -196,7 +196,7 @@
196 * followed by 1st extent of map 196 * followed by 1st extent of map
197 */ 197 */
198#define AITBL_OFF (AIMAP_OFF + (SIZE_OF_MAP_PAGE << 1)) 198#define AITBL_OFF (AIMAP_OFF + (SIZE_OF_MAP_PAGE << 1))
199 /* 199 /*
200 * 1st extent of aggregate inode table 200 * 1st extent of aggregate inode table
201 */ 201 */
202#define SUPER2_OFF (AITBL_OFF + INODE_EXTENT_SIZE) 202#define SUPER2_OFF (AITBL_OFF + INODE_EXTENT_SIZE)
@@ -270,13 +270,13 @@
270 */ 270 */
271#define FM_CLEAN 0x00000000 /* file system is unmounted and clean */ 271#define FM_CLEAN 0x00000000 /* file system is unmounted and clean */
272#define FM_MOUNT 0x00000001 /* file system is mounted cleanly */ 272#define FM_MOUNT 0x00000001 /* file system is mounted cleanly */
273#define FM_DIRTY 0x00000002 /* file system was not unmounted and clean 273#define FM_DIRTY 0x00000002 /* file system was not unmounted and clean
274 * when mounted or 274 * when mounted or
275 * commit failure occurred while being mounted: 275 * commit failure occurred while being mounted:
276 * fsck() must be run to repair 276 * fsck() must be run to repair
277 */ 277 */
278#define FM_LOGREDO 0x00000004 /* log based recovery (logredo()) failed: 278#define FM_LOGREDO 0x00000004 /* log based recovery (logredo()) failed:
279 * fsck() must be run to repair 279 * fsck() must be run to repair
280 */ 280 */
281#define FM_EXTENDFS 0x00000008 /* file system extendfs() in progress */ 281#define FM_EXTENDFS 0x00000008 /* file system extendfs() in progress */
282 282
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index a45ee2489580..489a3d63002d 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -98,7 +98,7 @@ static void copy_to_dinode(struct dinode *, struct inode *);
98 * FUNCTION: initialize the incore inode map control structures for 98 * FUNCTION: initialize the incore inode map control structures for
99 * a fileset or aggregate init time. 99 * a fileset or aggregate init time.
100 * 100 *
101 * the inode map's control structure (dinomap) is 101 * the inode map's control structure (dinomap) is
102 * brought in from disk and placed in virtual memory. 102 * brought in from disk and placed in virtual memory.
103 * 103 *
104 * PARAMETERS: 104 * PARAMETERS:
@@ -107,7 +107,7 @@ static void copy_to_dinode(struct dinode *, struct inode *);
107 * RETURN VALUES: 107 * RETURN VALUES:
108 * 0 - success 108 * 0 - success
109 * -ENOMEM - insufficient free virtual memory. 109 * -ENOMEM - insufficient free virtual memory.
110 * -EIO - i/o error. 110 * -EIO - i/o error.
111 */ 111 */
112int diMount(struct inode *ipimap) 112int diMount(struct inode *ipimap)
113{ 113{
@@ -191,7 +191,7 @@ int diMount(struct inode *ipimap)
191 * RETURN VALUES: 191 * RETURN VALUES:
192 * 0 - success 192 * 0 - success
193 * -ENOMEM - insufficient free virtual memory. 193 * -ENOMEM - insufficient free virtual memory.
194 * -EIO - i/o error. 194 * -EIO - i/o error.
195 */ 195 */
196int diUnmount(struct inode *ipimap, int mounterror) 196int diUnmount(struct inode *ipimap, int mounterror)
197{ 197{
@@ -281,7 +281,7 @@ int diSync(struct inode *ipimap)
281 * on entry, the specifed incore inode should itself 281 * on entry, the specifed incore inode should itself
282 * specify the disk inode number corresponding to the 282 * specify the disk inode number corresponding to the
283 * incore inode (i.e. i_number should be initialized). 283 * incore inode (i.e. i_number should be initialized).
284 * 284 *
285 * this routine handles incore inode initialization for 285 * this routine handles incore inode initialization for
286 * both "special" and "regular" inodes. special inodes 286 * both "special" and "regular" inodes. special inodes
287 * are those required early in the mount process and 287 * are those required early in the mount process and
@@ -289,7 +289,7 @@ int diSync(struct inode *ipimap)
289 * is not yet initialized. these "special" inodes are 289 * is not yet initialized. these "special" inodes are
290 * identified by a NULL inode map inode pointer and are 290 * identified by a NULL inode map inode pointer and are
291 * actually initialized by a call to diReadSpecial(). 291 * actually initialized by a call to diReadSpecial().
292 * 292 *
293 * for regular inodes, the iag describing the disk inode 293 * for regular inodes, the iag describing the disk inode
294 * is read from disk to determine the inode extent address 294 * is read from disk to determine the inode extent address
295 * for the disk inode. with the inode extent address in 295 * for the disk inode. with the inode extent address in
@@ -302,9 +302,9 @@ int diSync(struct inode *ipimap)
302 * 302 *
303 * RETURN VALUES: 303 * RETURN VALUES:
304 * 0 - success 304 * 0 - success
305 * -EIO - i/o error. 305 * -EIO - i/o error.
306 * -ENOMEM - insufficient memory 306 * -ENOMEM - insufficient memory
307 * 307 *
308 */ 308 */
309int diRead(struct inode *ip) 309int diRead(struct inode *ip)
310{ 310{
@@ -586,14 +586,14 @@ void diFreeSpecial(struct inode *ip)
586 * page of the extent that contains the disk inode is 586 * page of the extent that contains the disk inode is
587 * read and the disk inode portion of the incore inode 587 * read and the disk inode portion of the incore inode
588 * is copied to the disk inode. 588 * is copied to the disk inode.
589 * 589 *
590 * PARAMETERS: 590 * PARAMETERS:
591 * tid - transacation id 591 * tid - transacation id
592 * ip - pointer to incore inode to be written to the inode extent. 592 * ip - pointer to incore inode to be written to the inode extent.
593 * 593 *
594 * RETURN VALUES: 594 * RETURN VALUES:
595 * 0 - success 595 * 0 - success
596 * -EIO - i/o error. 596 * -EIO - i/o error.
597 */ 597 */
598int diWrite(tid_t tid, struct inode *ip) 598int diWrite(tid_t tid, struct inode *ip)
599{ 599{
@@ -676,11 +676,11 @@ int diWrite(tid_t tid, struct inode *ip)
676 * copy btree root from in-memory inode to on-disk inode 676 * copy btree root from in-memory inode to on-disk inode
677 * 677 *
678 * (tlock is taken from inline B+-tree root in in-memory 678 * (tlock is taken from inline B+-tree root in in-memory
679 * inode when the B+-tree root is updated, which is pointed 679 * inode when the B+-tree root is updated, which is pointed
680 * by jfs_ip->blid as well as being on tx tlock list) 680 * by jfs_ip->blid as well as being on tx tlock list)
681 * 681 *
682 * further processing of btree root is based on the copy 682 * further processing of btree root is based on the copy
683 * in in-memory inode, where txLog() will log from, and, 683 * in in-memory inode, where txLog() will log from, and,
684 * for xtree root, txUpdateMap() will update map and reset 684 * for xtree root, txUpdateMap() will update map and reset
685 * XAD_NEW bit; 685 * XAD_NEW bit;
686 */ 686 */
@@ -824,7 +824,7 @@ int diWrite(tid_t tid, struct inode *ip)
824 memcpy(&dp->di_DASD, &ip->i_DASD, sizeof(struct dasd)); 824 memcpy(&dp->di_DASD, &ip->i_DASD, sizeof(struct dasd));
825#endif /* _JFS_FASTDASD */ 825#endif /* _JFS_FASTDASD */
826 826
827 /* release the buffer holding the updated on-disk inode. 827 /* release the buffer holding the updated on-disk inode.
828 * the buffer will be later written by commit processing. 828 * the buffer will be later written by commit processing.
829 */ 829 */
830 write_metapage(mp); 830 write_metapage(mp);
@@ -842,7 +842,7 @@ int diWrite(tid_t tid, struct inode *ip)
842 * if the inode to be freed represents the first (only) 842 * if the inode to be freed represents the first (only)
843 * free inode within the iag, the iag will be placed on 843 * free inode within the iag, the iag will be placed on
844 * the ag free inode list. 844 * the ag free inode list.
845 * 845 *
846 * freeing the inode will cause the inode extent to be 846 * freeing the inode will cause the inode extent to be
847 * freed if the inode is the only allocated inode within 847 * freed if the inode is the only allocated inode within
848 * the extent. in this case all the disk resource backing 848 * the extent. in this case all the disk resource backing
@@ -865,11 +865,11 @@ int diWrite(tid_t tid, struct inode *ip)
865 * any updates and are held until all updates are complete. 865 * any updates and are held until all updates are complete.
866 * 866 *
867 * PARAMETERS: 867 * PARAMETERS:
868 * ip - inode to be freed. 868 * ip - inode to be freed.
869 * 869 *
870 * RETURN VALUES: 870 * RETURN VALUES:
871 * 0 - success 871 * 0 - success
872 * -EIO - i/o error. 872 * -EIO - i/o error.
873 */ 873 */
874int diFree(struct inode *ip) 874int diFree(struct inode *ip)
875{ 875{
@@ -898,7 +898,7 @@ int diFree(struct inode *ip)
898 */ 898 */
899 iagno = INOTOIAG(inum); 899 iagno = INOTOIAG(inum);
900 900
901 /* make sure that the iag is contained within 901 /* make sure that the iag is contained within
902 * the map. 902 * the map.
903 */ 903 */
904 if (iagno >= imap->im_nextiag) { 904 if (iagno >= imap->im_nextiag) {
@@ -1013,7 +1013,7 @@ int diFree(struct inode *ip)
1013 1013
1014 /* update the free inode summary map for the extent if 1014 /* update the free inode summary map for the extent if
1015 * freeing the inode means the extent will now have free 1015 * freeing the inode means the extent will now have free
1016 * inodes (i.e., the inode being freed is the first free 1016 * inodes (i.e., the inode being freed is the first free
1017 * inode of extent), 1017 * inode of extent),
1018 */ 1018 */
1019 if (iagp->wmap[extno] == cpu_to_le32(ONES)) { 1019 if (iagp->wmap[extno] == cpu_to_le32(ONES)) {
@@ -1204,9 +1204,9 @@ int diFree(struct inode *ip)
1204 iagp->inofreefwd = iagp->inofreeback = cpu_to_le32(-1); 1204 iagp->inofreefwd = iagp->inofreeback = cpu_to_le32(-1);
1205 } 1205 }
1206 1206
1207 /* update the inode extent address and working map 1207 /* update the inode extent address and working map
1208 * to reflect the free extent. 1208 * to reflect the free extent.
1209 * the permanent map should have been updated already 1209 * the permanent map should have been updated already
1210 * for the inode being freed. 1210 * for the inode being freed.
1211 */ 1211 */
1212 if (iagp->pmap[extno] != 0) { 1212 if (iagp->pmap[extno] != 0) {
@@ -1218,7 +1218,7 @@ int diFree(struct inode *ip)
1218 1218
1219 /* update the free extent and free inode summary maps 1219 /* update the free extent and free inode summary maps
1220 * to reflect the freed extent. 1220 * to reflect the freed extent.
1221 * the inode summary map is marked to indicate no inodes 1221 * the inode summary map is marked to indicate no inodes
1222 * available for the freed extent. 1222 * available for the freed extent.
1223 */ 1223 */
1224 sword = extno >> L2EXTSPERSUM; 1224 sword = extno >> L2EXTSPERSUM;
@@ -1255,17 +1255,17 @@ int diFree(struct inode *ip)
1255 * start transaction to update block allocation map 1255 * start transaction to update block allocation map
1256 * for the inode extent freed; 1256 * for the inode extent freed;
1257 * 1257 *
1258 * N.B. AG_LOCK is released and iag will be released below, and 1258 * N.B. AG_LOCK is released and iag will be released below, and
1259 * other thread may allocate inode from/reusing the ixad freed 1259 * other thread may allocate inode from/reusing the ixad freed
1260 * BUT with new/different backing inode extent from the extent 1260 * BUT with new/different backing inode extent from the extent
1261 * to be freed by the transaction; 1261 * to be freed by the transaction;
1262 */ 1262 */
1263 tid = txBegin(ipimap->i_sb, COMMIT_FORCE); 1263 tid = txBegin(ipimap->i_sb, COMMIT_FORCE);
1264 mutex_lock(&JFS_IP(ipimap)->commit_mutex); 1264 mutex_lock(&JFS_IP(ipimap)->commit_mutex);
1265 1265
1266 /* acquire tlock of the iag page of the freed ixad 1266 /* acquire tlock of the iag page of the freed ixad
1267 * to force the page NOHOMEOK (even though no data is 1267 * to force the page NOHOMEOK (even though no data is
1268 * logged from the iag page) until NOREDOPAGE|FREEXTENT log 1268 * logged from the iag page) until NOREDOPAGE|FREEXTENT log
1269 * for the free of the extent is committed; 1269 * for the free of the extent is committed;
1270 * write FREEXTENT|NOREDOPAGE log record 1270 * write FREEXTENT|NOREDOPAGE log record
1271 * N.B. linelock is overlaid as freed extent descriptor; 1271 * N.B. linelock is overlaid as freed extent descriptor;
@@ -1284,8 +1284,8 @@ int diFree(struct inode *ip)
1284 * logredo needs the IAG number and IAG extent index in order 1284 * logredo needs the IAG number and IAG extent index in order
1285 * to ensure that the IMap is consistent. The least disruptive 1285 * to ensure that the IMap is consistent. The least disruptive
1286 * way to pass these values through to the transaction manager 1286 * way to pass these values through to the transaction manager
1287 * is in the iplist array. 1287 * is in the iplist array.
1288 * 1288 *
1289 * It's not pretty, but it works. 1289 * It's not pretty, but it works.
1290 */ 1290 */
1291 iplist[1] = (struct inode *) (size_t)iagno; 1291 iplist[1] = (struct inode *) (size_t)iagno;
@@ -1340,18 +1340,18 @@ diInitInode(struct inode *ip, int iagno, int ino, int extno, struct iag * iagp)
1340/* 1340/*
1341 * NAME: diAlloc(pip,dir,ip) 1341 * NAME: diAlloc(pip,dir,ip)
1342 * 1342 *
1343 * FUNCTION: allocate a disk inode from the inode working map 1343 * FUNCTION: allocate a disk inode from the inode working map
1344 * for a fileset or aggregate. 1344 * for a fileset or aggregate.
1345 * 1345 *
1346 * PARAMETERS: 1346 * PARAMETERS:
1347 * pip - pointer to incore inode for the parent inode. 1347 * pip - pointer to incore inode for the parent inode.
1348 * dir - 'true' if the new disk inode is for a directory. 1348 * dir - 'true' if the new disk inode is for a directory.
1349 * ip - pointer to a new inode 1349 * ip - pointer to a new inode
1350 * 1350 *
1351 * RETURN VALUES: 1351 * RETURN VALUES:
1352 * 0 - success. 1352 * 0 - success.
1353 * -ENOSPC - insufficient disk resources. 1353 * -ENOSPC - insufficient disk resources.
1354 * -EIO - i/o error. 1354 * -EIO - i/o error.
1355 */ 1355 */
1356int diAlloc(struct inode *pip, bool dir, struct inode *ip) 1356int diAlloc(struct inode *pip, bool dir, struct inode *ip)
1357{ 1357{
@@ -1372,7 +1372,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
1372 JFS_IP(ip)->ipimap = ipimap; 1372 JFS_IP(ip)->ipimap = ipimap;
1373 JFS_IP(ip)->fileset = FILESYSTEM_I; 1373 JFS_IP(ip)->fileset = FILESYSTEM_I;
1374 1374
1375 /* for a directory, the allocation policy is to start 1375 /* for a directory, the allocation policy is to start
1376 * at the ag level using the preferred ag. 1376 * at the ag level using the preferred ag.
1377 */ 1377 */
1378 if (dir) { 1378 if (dir) {
@@ -1435,7 +1435,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
1435 /* 1435 /*
1436 * try to allocate from the IAG 1436 * try to allocate from the IAG
1437 */ 1437 */
1438 /* check if the inode may be allocated from the iag 1438 /* check if the inode may be allocated from the iag
1439 * (i.e. the inode has free inodes or new extent can be added). 1439 * (i.e. the inode has free inodes or new extent can be added).
1440 */ 1440 */
1441 if (iagp->nfreeinos || addext) { 1441 if (iagp->nfreeinos || addext) {
@@ -1490,7 +1490,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
1490 * hint or, if appropriate (i.e. addext is true), allocate 1490 * hint or, if appropriate (i.e. addext is true), allocate
1491 * an extent of free inodes at or following the extent 1491 * an extent of free inodes at or following the extent
1492 * containing the hint. 1492 * containing the hint.
1493 * 1493 *
1494 * the free inode and free extent summary maps are used 1494 * the free inode and free extent summary maps are used
1495 * here, so determine the starting summary map position 1495 * here, so determine the starting summary map position
1496 * and the number of words we'll have to examine. again, 1496 * and the number of words we'll have to examine. again,
@@ -1641,7 +1641,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
1641 * inodes should be added for the allocation group, with 1641 * inodes should be added for the allocation group, with
1642 * the current request satisfied from this extent. if this 1642 * the current request satisfied from this extent. if this
1643 * is the case, an attempt will be made to do just that. if 1643 * is the case, an attempt will be made to do just that. if
1644 * this attempt fails or it has been determined that a new 1644 * this attempt fails or it has been determined that a new
1645 * extent should not be added, an attempt is made to satisfy 1645 * extent should not be added, an attempt is made to satisfy
1646 * the request by allocating an existing (backed) free inode 1646 * the request by allocating an existing (backed) free inode
1647 * from the allocation group. 1647 * from the allocation group.
@@ -1649,24 +1649,24 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
1649 * PRE CONDITION: Already have the AG lock for this AG. 1649 * PRE CONDITION: Already have the AG lock for this AG.
1650 * 1650 *
1651 * PARAMETERS: 1651 * PARAMETERS:
1652 * imap - pointer to inode map control structure. 1652 * imap - pointer to inode map control structure.
1653 * agno - allocation group to allocate from. 1653 * agno - allocation group to allocate from.
1654 * dir - 'true' if the new disk inode is for a directory. 1654 * dir - 'true' if the new disk inode is for a directory.
1655 * ip - pointer to the new inode to be filled in on successful return 1655 * ip - pointer to the new inode to be filled in on successful return
1656 * with the disk inode number allocated, its extent address 1656 * with the disk inode number allocated, its extent address
1657 * and the start of the ag. 1657 * and the start of the ag.
1658 * 1658 *
1659 * RETURN VALUES: 1659 * RETURN VALUES:
1660 * 0 - success. 1660 * 0 - success.
1661 * -ENOSPC - insufficient disk resources. 1661 * -ENOSPC - insufficient disk resources.
1662 * -EIO - i/o error. 1662 * -EIO - i/o error.
1663 */ 1663 */
1664static int 1664static int
1665diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip) 1665diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip)
1666{ 1666{
1667 int rc, addext, numfree, numinos; 1667 int rc, addext, numfree, numinos;
1668 1668
1669 /* get the number of free and the number of backed disk 1669 /* get the number of free and the number of backed disk
1670 * inodes currently within the ag. 1670 * inodes currently within the ag.
1671 */ 1671 */
1672 numfree = imap->im_agctl[agno].numfree; 1672 numfree = imap->im_agctl[agno].numfree;
@@ -1719,17 +1719,17 @@ diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip)
1719 * specified primary group. 1719 * specified primary group.
1720 * 1720 *
1721 * PARAMETERS: 1721 * PARAMETERS:
1722 * imap - pointer to inode map control structure. 1722 * imap - pointer to inode map control structure.
1723 * agno - primary allocation group (to avoid). 1723 * agno - primary allocation group (to avoid).
1724 * dir - 'true' if the new disk inode is for a directory. 1724 * dir - 'true' if the new disk inode is for a directory.
1725 * ip - pointer to a new inode to be filled in on successful return 1725 * ip - pointer to a new inode to be filled in on successful return
1726 * with the disk inode number allocated, its extent address 1726 * with the disk inode number allocated, its extent address
1727 * and the start of the ag. 1727 * and the start of the ag.
1728 * 1728 *
1729 * RETURN VALUES: 1729 * RETURN VALUES:
1730 * 0 - success. 1730 * 0 - success.
1731 * -ENOSPC - insufficient disk resources. 1731 * -ENOSPC - insufficient disk resources.
1732 * -EIO - i/o error. 1732 * -EIO - i/o error.
1733 */ 1733 */
1734static int 1734static int
1735diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip) 1735diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
@@ -1738,7 +1738,7 @@ diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
1738 int maxag = JFS_SBI(imap->im_ipimap->i_sb)->bmap->db_maxag; 1738 int maxag = JFS_SBI(imap->im_ipimap->i_sb)->bmap->db_maxag;
1739 1739
1740 1740
1741 /* try to allocate from the ags following agno up to 1741 /* try to allocate from the ags following agno up to
1742 * the maximum ag number. 1742 * the maximum ag number.
1743 */ 1743 */
1744 for (ag = agno + 1; ag <= maxag; ag++) { 1744 for (ag = agno + 1; ag <= maxag; ag++) {
@@ -1780,21 +1780,21 @@ diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
1780 * 1780 *
1781 * allocation occurs from the first iag on the list using 1781 * allocation occurs from the first iag on the list using
1782 * the iag's free inode summary map to find the leftmost 1782 * the iag's free inode summary map to find the leftmost
1783 * free inode in the iag. 1783 * free inode in the iag.
1784 * 1784 *
1785 * PRE CONDITION: Already have AG lock for this AG. 1785 * PRE CONDITION: Already have AG lock for this AG.
1786 * 1786 *
1787 * PARAMETERS: 1787 * PARAMETERS:
1788 * imap - pointer to inode map control structure. 1788 * imap - pointer to inode map control structure.
1789 * agno - allocation group. 1789 * agno - allocation group.
1790 * ip - pointer to new inode to be filled in on successful return 1790 * ip - pointer to new inode to be filled in on successful return
1791 * with the disk inode number allocated, its extent address 1791 * with the disk inode number allocated, its extent address
1792 * and the start of the ag. 1792 * and the start of the ag.
1793 * 1793 *
1794 * RETURN VALUES: 1794 * RETURN VALUES:
1795 * 0 - success. 1795 * 0 - success.
1796 * -ENOSPC - insufficient disk resources. 1796 * -ENOSPC - insufficient disk resources.
1797 * -EIO - i/o error. 1797 * -EIO - i/o error.
1798 */ 1798 */
1799static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) 1799static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
1800{ 1800{
@@ -1867,7 +1867,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
1867 return -EIO; 1867 return -EIO;
1868 } 1868 }
1869 1869
1870 /* compute the inode number within the iag. 1870 /* compute the inode number within the iag.
1871 */ 1871 */
1872 ino = (extno << L2INOSPEREXT) + rem; 1872 ino = (extno << L2INOSPEREXT) + rem;
1873 1873
@@ -1892,17 +1892,17 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
1892/* 1892/*
1893 * NAME: diAllocExt(imap,agno,ip) 1893 * NAME: diAllocExt(imap,agno,ip)
1894 * 1894 *
1895 * FUNCTION: add a new extent of free inodes to an iag, allocating 1895 * FUNCTION: add a new extent of free inodes to an iag, allocating
1896 * an inode from this extent to satisfy the current allocation 1896 * an inode from this extent to satisfy the current allocation
1897 * request. 1897 * request.
1898 * 1898 *
1899 * this routine first tries to find an existing iag with free 1899 * this routine first tries to find an existing iag with free
1900 * extents through the ag free extent list. if list is not 1900 * extents through the ag free extent list. if list is not
1901 * empty, the head of the list will be selected as the home 1901 * empty, the head of the list will be selected as the home
1902 * of the new extent of free inodes. otherwise (the list is 1902 * of the new extent of free inodes. otherwise (the list is
1903 * empty), a new iag will be allocated for the ag to contain 1903 * empty), a new iag will be allocated for the ag to contain
1904 * the extent. 1904 * the extent.
1905 * 1905 *
1906 * once an iag has been selected, the free extent summary map 1906 * once an iag has been selected, the free extent summary map
1907 * is used to locate a free extent within the iag and diNewExt() 1907 * is used to locate a free extent within the iag and diNewExt()
1908 * is called to initialize the extent, with initialization 1908 * is called to initialize the extent, with initialization
@@ -1910,16 +1910,16 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
1910 * for the purpose of satisfying this request. 1910 * for the purpose of satisfying this request.
1911 * 1911 *
1912 * PARAMETERS: 1912 * PARAMETERS:
1913 * imap - pointer to inode map control structure. 1913 * imap - pointer to inode map control structure.
1914 * agno - allocation group number. 1914 * agno - allocation group number.
1915 * ip - pointer to new inode to be filled in on successful return 1915 * ip - pointer to new inode to be filled in on successful return
1916 * with the disk inode number allocated, its extent address 1916 * with the disk inode number allocated, its extent address
1917 * and the start of the ag. 1917 * and the start of the ag.
1918 * 1918 *
1919 * RETURN VALUES: 1919 * RETURN VALUES:
1920 * 0 - success. 1920 * 0 - success.
1921 * -ENOSPC - insufficient disk resources. 1921 * -ENOSPC - insufficient disk resources.
1922 * -EIO - i/o error. 1922 * -EIO - i/o error.
1923 */ 1923 */
1924static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) 1924static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
1925{ 1925{
@@ -2012,7 +2012,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
2012/* 2012/*
2013 * NAME: diAllocBit(imap,iagp,ino) 2013 * NAME: diAllocBit(imap,iagp,ino)
2014 * 2014 *
2015 * FUNCTION: allocate a backed inode from an iag. 2015 * FUNCTION: allocate a backed inode from an iag.
2016 * 2016 *
2017 * this routine performs the mechanics of allocating a 2017 * this routine performs the mechanics of allocating a
2018 * specified inode from a backed extent. 2018 * specified inode from a backed extent.
@@ -2025,19 +2025,19 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
2025 * in the face of updates to multiple buffers. under this 2025 * in the face of updates to multiple buffers. under this
2026 * approach, all required buffers are obtained before making 2026 * approach, all required buffers are obtained before making
2027 * any updates and are held all are updates are complete. 2027 * any updates and are held all are updates are complete.
2028 * 2028 *
2029 * PRE CONDITION: Already have buffer lock on iagp. Already have AG lock on 2029 * PRE CONDITION: Already have buffer lock on iagp. Already have AG lock on
2030 * this AG. Must have read lock on imap inode. 2030 * this AG. Must have read lock on imap inode.
2031 * 2031 *
2032 * PARAMETERS: 2032 * PARAMETERS:
2033 * imap - pointer to inode map control structure. 2033 * imap - pointer to inode map control structure.
2034 * iagp - pointer to iag. 2034 * iagp - pointer to iag.
2035 * ino - inode number to be allocated within the iag. 2035 * ino - inode number to be allocated within the iag.
2036 * 2036 *
2037 * RETURN VALUES: 2037 * RETURN VALUES:
2038 * 0 - success. 2038 * 0 - success.
2039 * -ENOSPC - insufficient disk resources. 2039 * -ENOSPC - insufficient disk resources.
2040 * -EIO - i/o error. 2040 * -EIO - i/o error.
2041 */ 2041 */
2042static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) 2042static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino)
2043{ 2043{
@@ -2172,19 +2172,19 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino)
2172 * buffers. under this approach, all required buffers are 2172 * buffers. under this approach, all required buffers are
2173 * obtained before making any updates and are held until all 2173 * obtained before making any updates and are held until all
2174 * updates are complete. 2174 * updates are complete.
2175 * 2175 *
2176 * PRE CONDITION: Already have buffer lock on iagp. Already have AG lock on 2176 * PRE CONDITION: Already have buffer lock on iagp. Already have AG lock on
2177 * this AG. Must have read lock on imap inode. 2177 * this AG. Must have read lock on imap inode.
2178 * 2178 *
2179 * PARAMETERS: 2179 * PARAMETERS:
2180 * imap - pointer to inode map control structure. 2180 * imap - pointer to inode map control structure.
2181 * iagp - pointer to iag. 2181 * iagp - pointer to iag.
2182 * extno - extent number. 2182 * extno - extent number.
2183 * 2183 *
2184 * RETURN VALUES: 2184 * RETURN VALUES:
2185 * 0 - success. 2185 * 0 - success.
2186 * -ENOSPC - insufficient disk resources. 2186 * -ENOSPC - insufficient disk resources.
2187 * -EIO - i/o error. 2187 * -EIO - i/o error.
2188 */ 2188 */
2189static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) 2189static int diNewExt(struct inomap * imap, struct iag * iagp, int extno)
2190{ 2190{
@@ -2432,34 +2432,34 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno)
2432/* 2432/*
2433 * NAME: diNewIAG(imap,iagnop,agno) 2433 * NAME: diNewIAG(imap,iagnop,agno)
2434 * 2434 *
2435 * FUNCTION: allocate a new iag for an allocation group. 2435 * FUNCTION: allocate a new iag for an allocation group.
2436 * 2436 *
2437 * first tries to allocate the iag from the inode map 2437 * first tries to allocate the iag from the inode map
2438 * iagfree list: 2438 * iagfree list:
2439 * if the list has free iags, the head of the list is removed 2439 * if the list has free iags, the head of the list is removed
2440 * and returned to satisfy the request. 2440 * and returned to satisfy the request.
2441 * if the inode map's iag free list is empty, the inode map 2441 * if the inode map's iag free list is empty, the inode map
2442 * is extended to hold a new iag. this new iag is initialized 2442 * is extended to hold a new iag. this new iag is initialized
2443 * and returned to satisfy the request. 2443 * and returned to satisfy the request.
2444 * 2444 *
2445 * PARAMETERS: 2445 * PARAMETERS:
2446 * imap - pointer to inode map control structure. 2446 * imap - pointer to inode map control structure.
2447 * iagnop - pointer to an iag number set with the number of the 2447 * iagnop - pointer to an iag number set with the number of the
2448 * newly allocated iag upon successful return. 2448 * newly allocated iag upon successful return.
2449 * agno - allocation group number. 2449 * agno - allocation group number.
2450 * bpp - Buffer pointer to be filled in with new IAG's buffer 2450 * bpp - Buffer pointer to be filled in with new IAG's buffer
2451 * 2451 *
2452 * RETURN VALUES: 2452 * RETURN VALUES:
2453 * 0 - success. 2453 * 0 - success.
2454 * -ENOSPC - insufficient disk resources. 2454 * -ENOSPC - insufficient disk resources.
2455 * -EIO - i/o error. 2455 * -EIO - i/o error.
2456 * 2456 *
2457 * serialization: 2457 * serialization:
2458 * AG lock held on entry/exit; 2458 * AG lock held on entry/exit;
2459 * write lock on the map is held inside; 2459 * write lock on the map is held inside;
2460 * read lock on the map is held on successful completion; 2460 * read lock on the map is held on successful completion;
2461 * 2461 *
2462 * note: new iag transaction: 2462 * note: new iag transaction:
2463 * . synchronously write iag; 2463 * . synchronously write iag;
2464 * . write log of xtree and inode of imap; 2464 * . write log of xtree and inode of imap;
2465 * . commit; 2465 * . commit;
@@ -2494,7 +2494,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
2494 /* acquire the free iag lock */ 2494 /* acquire the free iag lock */
2495 IAGFREE_LOCK(imap); 2495 IAGFREE_LOCK(imap);
2496 2496
2497 /* if there are any iags on the inode map free iag list, 2497 /* if there are any iags on the inode map free iag list,
2498 * allocate the iag from the head of the list. 2498 * allocate the iag from the head of the list.
2499 */ 2499 */
2500 if (imap->im_freeiag >= 0) { 2500 if (imap->im_freeiag >= 0) {
@@ -2618,8 +2618,8 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
2618 flush_metapage(mp); 2618 flush_metapage(mp);
2619 2619
2620 /* 2620 /*
2621 * txCommit(COMMIT_FORCE) will synchronously write address 2621 * txCommit(COMMIT_FORCE) will synchronously write address
2622 * index pages and inode after commit in careful update order 2622 * index pages and inode after commit in careful update order
2623 * of address index pages (right to left, bottom up); 2623 * of address index pages (right to left, bottom up);
2624 */ 2624 */
2625 iplist[0] = ipimap; 2625 iplist[0] = ipimap;
@@ -2678,11 +2678,11 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
2678 * 2678 *
2679 * FUNCTION: get the buffer for the specified iag within a fileset 2679 * FUNCTION: get the buffer for the specified iag within a fileset
2680 * or aggregate inode map. 2680 * or aggregate inode map.
2681 * 2681 *
2682 * PARAMETERS: 2682 * PARAMETERS:
2683 * imap - pointer to inode map control structure. 2683 * imap - pointer to inode map control structure.
2684 * iagno - iag number. 2684 * iagno - iag number.
2685 * bpp - point to buffer pointer to be filled in on successful 2685 * bpp - point to buffer pointer to be filled in on successful
2686 * exit. 2686 * exit.
2687 * 2687 *
2688 * SERIALIZATION: 2688 * SERIALIZATION:
@@ -2692,7 +2692,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
2692 * 2692 *
2693 * RETURN VALUES: 2693 * RETURN VALUES:
2694 * 0 - success. 2694 * 0 - success.
2695 * -EIO - i/o error. 2695 * -EIO - i/o error.
2696 */ 2696 */
2697static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp) 2697static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp)
2698{ 2698{
@@ -2718,8 +2718,8 @@ static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp)
2718 * the specified bit position. 2718 * the specified bit position.
2719 * 2719 *
2720 * PARAMETERS: 2720 * PARAMETERS:
2721 * word - word to be examined. 2721 * word - word to be examined.
2722 * start - starting bit position. 2722 * start - starting bit position.
2723 * 2723 *
2724 * RETURN VALUES: 2724 * RETURN VALUES:
2725 * bit position of first free bit in the word or 32 if 2725 * bit position of first free bit in the word or 32 if
@@ -2740,10 +2740,10 @@ static int diFindFree(u32 word, int start)
2740 2740
2741/* 2741/*
2742 * NAME: diUpdatePMap() 2742 * NAME: diUpdatePMap()
2743 * 2743 *
2744 * FUNCTION: Update the persistent map in an IAG for the allocation or 2744 * FUNCTION: Update the persistent map in an IAG for the allocation or
2745 * freeing of the specified inode. 2745 * freeing of the specified inode.
2746 * 2746 *
2747 * PRE CONDITIONS: Working map has already been updated for allocate. 2747 * PRE CONDITIONS: Working map has already been updated for allocate.
2748 * 2748 *
2749 * PARAMETERS: 2749 * PARAMETERS:
@@ -2752,7 +2752,7 @@ static int diFindFree(u32 word, int start)
2752 * is_free - If 'true' indicates inode should be marked freed, otherwise 2752 * is_free - If 'true' indicates inode should be marked freed, otherwise
2753 * indicates inode should be marked allocated. 2753 * indicates inode should be marked allocated.
2754 * 2754 *
2755 * RETURN VALUES: 2755 * RETURN VALUES:
2756 * 0 for success 2756 * 0 for success
2757 */ 2757 */
2758int 2758int
@@ -2793,7 +2793,7 @@ diUpdatePMap(struct inode *ipimap,
2793 extno = ino >> L2INOSPEREXT; 2793 extno = ino >> L2INOSPEREXT;
2794 bitno = ino & (INOSPEREXT - 1); 2794 bitno = ino & (INOSPEREXT - 1);
2795 mask = HIGHORDER >> bitno; 2795 mask = HIGHORDER >> bitno;
2796 /* 2796 /*
2797 * mark the inode free in persistent map: 2797 * mark the inode free in persistent map:
2798 */ 2798 */
2799 if (is_free) { 2799 if (is_free) {
@@ -2803,7 +2803,7 @@ diUpdatePMap(struct inode *ipimap,
2803 * of last reference release; 2803 * of last reference release;
2804 */ 2804 */
2805 if (!(le32_to_cpu(iagp->wmap[extno]) & mask)) { 2805 if (!(le32_to_cpu(iagp->wmap[extno]) & mask)) {
2806 jfs_error(ipimap->i_sb, 2806 jfs_error(ipimap->i_sb,
2807 "diUpdatePMap: inode %ld not marked as " 2807 "diUpdatePMap: inode %ld not marked as "
2808 "allocated in wmap!", inum); 2808 "allocated in wmap!", inum);
2809 } 2809 }
@@ -2877,8 +2877,8 @@ diUpdatePMap(struct inode *ipimap,
2877 * diExtendFS() 2877 * diExtendFS()
2878 * 2878 *
2879 * function: update imap for extendfs(); 2879 * function: update imap for extendfs();
2880 * 2880 *
2881 * note: AG size has been increased s.t. each k old contiguous AGs are 2881 * note: AG size has been increased s.t. each k old contiguous AGs are
2882 * coalesced into a new AG; 2882 * coalesced into a new AG;
2883 */ 2883 */
2884int diExtendFS(struct inode *ipimap, struct inode *ipbmap) 2884int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
@@ -2897,7 +2897,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
2897 atomic_read(&imap->im_numfree)); 2897 atomic_read(&imap->im_numfree));
2898 2898
2899 /* 2899 /*
2900 * reconstruct imap 2900 * reconstruct imap
2901 * 2901 *
2902 * coalesce contiguous k (newAGSize/oldAGSize) AGs; 2902 * coalesce contiguous k (newAGSize/oldAGSize) AGs;
2903 * i.e., (AGi, ..., AGj) where i = k*n and j = k*(n+1) - 1 to AGn; 2903 * i.e., (AGi, ..., AGj) where i = k*n and j = k*(n+1) - 1 to AGn;
@@ -2931,7 +2931,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
2931 } 2931 }
2932 2932
2933 /* leave free iag in the free iag list */ 2933 /* leave free iag in the free iag list */
2934 if (iagp->nfreeexts == cpu_to_le32(EXTSPERIAG)) { 2934 if (iagp->nfreeexts == cpu_to_le32(EXTSPERIAG)) {
2935 release_metapage(bp); 2935 release_metapage(bp);
2936 continue; 2936 continue;
2937 } 2937 }
diff --git a/fs/jfs/jfs_imap.h b/fs/jfs/jfs_imap.h
index e3b7db47db6b..4f9c346ed498 100644
--- a/fs/jfs/jfs_imap.h
+++ b/fs/jfs/jfs_imap.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_IMAP 18#ifndef _H_JFS_IMAP
@@ -45,13 +45,13 @@
45/* get the starting block number of the 4K page of an inode extent 45/* get the starting block number of the 4K page of an inode extent
46 * that contains ino. 46 * that contains ino.
47 */ 47 */
48#define INOPBLK(pxd,ino,l2nbperpg) (addressPXD((pxd)) + \ 48#define INOPBLK(pxd,ino,l2nbperpg) (addressPXD((pxd)) + \
49 ((((ino) & (INOSPEREXT-1)) >> L2INOSPERPAGE) << (l2nbperpg))) 49 ((((ino) & (INOSPEREXT-1)) >> L2INOSPERPAGE) << (l2nbperpg)))
50 50
51/* 51/*
52 * inode allocation map: 52 * inode allocation map:
53 * 53 *
54 * inode allocation map consists of 54 * inode allocation map consists of
55 * . the inode map control page and 55 * . the inode map control page and
56 * . inode allocation group pages (per 4096 inodes) 56 * . inode allocation group pages (per 4096 inodes)
57 * which are addressed by standard JFS xtree. 57 * which are addressed by standard JFS xtree.
diff --git a/fs/jfs/jfs_incore.h b/fs/jfs/jfs_incore.h
index 54d73716ca8c..94005584445a 100644
--- a/fs/jfs/jfs_incore.h
+++ b/fs/jfs/jfs_incore.h
@@ -4,18 +4,18 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19#ifndef _H_JFS_INCORE 19#ifndef _H_JFS_INCORE
20#define _H_JFS_INCORE 20#define _H_JFS_INCORE
21 21
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index dbf0f77c7a4a..4c67ed97682b 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 1fc48df670c8..0d06ccfaff0e 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_INODE 18#ifndef _H_JFS_INODE
diff --git a/fs/jfs/jfs_lock.h b/fs/jfs/jfs_lock.h
index 70ac9f7d1e00..7d78e83d7c40 100644
--- a/fs/jfs/jfs_lock.h
+++ b/fs/jfs/jfs_lock.h
@@ -1,19 +1,19 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2001 2 * Copyright (C) International Business Machines Corp., 2000-2001
3 * Portions Copyright (c) Christoph Hellwig, 2001-2002 3 * Portions Copyright (C) Christoph Hellwig, 2001-2002
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19#ifndef _H_JFS_LOCK 19#ifndef _H_JFS_LOCK
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 3315f0b1fbc0..b89c9aba0466 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -337,7 +337,7 @@ int lmLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
337 * PARAMETER: cd - commit descriptor 337 * PARAMETER: cd - commit descriptor
338 * 338 *
339 * RETURN: end-of-log address 339 * RETURN: end-of-log address
340 * 340 *
341 * serialization: LOG_LOCK() held on entry/exit 341 * serialization: LOG_LOCK() held on entry/exit
342 */ 342 */
343static int 343static int
@@ -554,7 +554,7 @@ lmWriteRecord(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
554 * PARAMETER: log 554 * PARAMETER: log
555 * 555 *
556 * RETURN: 0 556 * RETURN: 0
557 * 557 *
558 * serialization: LOG_LOCK() held on entry/exit 558 * serialization: LOG_LOCK() held on entry/exit
559 */ 559 */
560static int lmNextPage(struct jfs_log * log) 560static int lmNextPage(struct jfs_log * log)
@@ -656,7 +656,7 @@ static int lmNextPage(struct jfs_log * log)
656 * page number - redrive pageout of the page at the head of 656 * page number - redrive pageout of the page at the head of
657 * pageout queue until full page has been written. 657 * pageout queue until full page has been written.
658 * 658 *
659 * RETURN: 659 * RETURN:
660 * 660 *
661 * NOTE: 661 * NOTE:
662 * LOGGC_LOCK serializes log group commit queue, and 662 * LOGGC_LOCK serializes log group commit queue, and
@@ -920,10 +920,10 @@ static void lmPostGC(struct lbuf * bp)
920 * this code is called again. 920 * this code is called again.
921 * 921 *
922 * PARAMETERS: log - log structure 922 * PARAMETERS: log - log structure
923 * hard_sync - 1 to force all metadata to be written 923 * hard_sync - 1 to force all metadata to be written
924 * 924 *
925 * RETURN: 0 925 * RETURN: 0
926 * 926 *
927 * serialization: LOG_LOCK() held on entry/exit 927 * serialization: LOG_LOCK() held on entry/exit
928 */ 928 */
929static int lmLogSync(struct jfs_log * log, int hard_sync) 929static int lmLogSync(struct jfs_log * log, int hard_sync)
@@ -1052,7 +1052,7 @@ static int lmLogSync(struct jfs_log * log, int hard_sync)
1052 * FUNCTION: write log SYNCPT record for specified log 1052 * FUNCTION: write log SYNCPT record for specified log
1053 * 1053 *
1054 * PARAMETERS: log - log structure 1054 * PARAMETERS: log - log structure
1055 * hard_sync - set to 1 to force metadata to be written 1055 * hard_sync - set to 1 to force metadata to be written
1056 */ 1056 */
1057void jfs_syncpt(struct jfs_log *log, int hard_sync) 1057void jfs_syncpt(struct jfs_log *log, int hard_sync)
1058{ LOG_LOCK(log); 1058{ LOG_LOCK(log);
@@ -1067,7 +1067,7 @@ void jfs_syncpt(struct jfs_log *log, int hard_sync)
1067 * insert filesystem in the active list of the log. 1067 * insert filesystem in the active list of the log.
1068 * 1068 *
1069 * PARAMETER: ipmnt - file system mount inode 1069 * PARAMETER: ipmnt - file system mount inode
1070 * iplog - log inode (out) 1070 * iplog - log inode (out)
1071 * 1071 *
1072 * RETURN: 1072 * RETURN:
1073 * 1073 *
@@ -1082,7 +1082,7 @@ int lmLogOpen(struct super_block *sb)
1082 1082
1083 if (sbi->flag & JFS_NOINTEGRITY) 1083 if (sbi->flag & JFS_NOINTEGRITY)
1084 return open_dummy_log(sb); 1084 return open_dummy_log(sb);
1085 1085
1086 if (sbi->mntflag & JFS_INLINELOG) 1086 if (sbi->mntflag & JFS_INLINELOG)
1087 return open_inline_log(sb); 1087 return open_inline_log(sb);
1088 1088
@@ -1131,7 +1131,7 @@ int lmLogOpen(struct super_block *sb)
1131 1131
1132 log->bdev = bdev; 1132 log->bdev = bdev;
1133 memcpy(log->uuid, sbi->loguuid, sizeof(log->uuid)); 1133 memcpy(log->uuid, sbi->loguuid, sizeof(log->uuid));
1134 1134
1135 /* 1135 /*
1136 * initialize log: 1136 * initialize log:
1137 */ 1137 */
@@ -1253,13 +1253,13 @@ static int open_dummy_log(struct super_block *sb)
1253 * initialize the log from log superblock. 1253 * initialize the log from log superblock.
1254 * set the log state in the superblock to LOGMOUNT and 1254 * set the log state in the superblock to LOGMOUNT and
1255 * write SYNCPT log record. 1255 * write SYNCPT log record.
1256 * 1256 *
1257 * PARAMETER: log - log structure 1257 * PARAMETER: log - log structure
1258 * 1258 *
1259 * RETURN: 0 - if ok 1259 * RETURN: 0 - if ok
1260 * -EINVAL - bad log magic number or superblock dirty 1260 * -EINVAL - bad log magic number or superblock dirty
1261 * error returned from logwait() 1261 * error returned from logwait()
1262 * 1262 *
1263 * serialization: single first open thread 1263 * serialization: single first open thread
1264 */ 1264 */
1265int lmLogInit(struct jfs_log * log) 1265int lmLogInit(struct jfs_log * log)
@@ -1297,7 +1297,7 @@ int lmLogInit(struct jfs_log * log)
1297 1297
1298 if (!test_bit(log_INLINELOG, &log->flag)) 1298 if (!test_bit(log_INLINELOG, &log->flag))
1299 log->l2bsize = L2LOGPSIZE; 1299 log->l2bsize = L2LOGPSIZE;
1300 1300
1301 /* check for disabled journaling to disk */ 1301 /* check for disabled journaling to disk */
1302 if (log->no_integrity) { 1302 if (log->no_integrity) {
1303 /* 1303 /*
@@ -1651,7 +1651,7 @@ void jfs_flush_journal(struct jfs_log *log, int wait)
1651 * PARAMETER: log - log inode 1651 * PARAMETER: log - log inode
1652 * 1652 *
1653 * RETURN: 0 - success 1653 * RETURN: 0 - success
1654 * 1654 *
1655 * serialization: single last close thread 1655 * serialization: single last close thread
1656 */ 1656 */
1657int lmLogShutdown(struct jfs_log * log) 1657int lmLogShutdown(struct jfs_log * log)
@@ -1677,7 +1677,7 @@ int lmLogShutdown(struct jfs_log * log)
1677 lrd.type = cpu_to_le16(LOG_SYNCPT); 1677 lrd.type = cpu_to_le16(LOG_SYNCPT);
1678 lrd.length = 0; 1678 lrd.length = 0;
1679 lrd.log.syncpt.sync = 0; 1679 lrd.log.syncpt.sync = 0;
1680 1680
1681 lsn = lmWriteRecord(log, NULL, &lrd, NULL); 1681 lsn = lmWriteRecord(log, NULL, &lrd, NULL);
1682 bp = log->bp; 1682 bp = log->bp;
1683 lp = (struct logpage *) bp->l_ldata; 1683 lp = (struct logpage *) bp->l_ldata;
@@ -1703,7 +1703,7 @@ int lmLogShutdown(struct jfs_log * log)
1703 jfs_info("lmLogShutdown: lsn:0x%x page:%d eor:%d", 1703 jfs_info("lmLogShutdown: lsn:0x%x page:%d eor:%d",
1704 lsn, log->page, log->eor); 1704 lsn, log->page, log->eor);
1705 1705
1706 out: 1706 out:
1707 /* 1707 /*
1708 * shutdown per log i/o 1708 * shutdown per log i/o
1709 */ 1709 */
@@ -1769,7 +1769,7 @@ static int lmLogFileSystem(struct jfs_log * log, struct jfs_sb_info *sbi,
1769 lbmFree(bpsuper); 1769 lbmFree(bpsuper);
1770 return -EIO; 1770 return -EIO;
1771 } 1771 }
1772 1772
1773 } 1773 }
1774 1774
1775 /* 1775 /*
diff --git a/fs/jfs/jfs_logmgr.h b/fs/jfs/jfs_logmgr.h
index 8c6909b80014..a53fb17ea219 100644
--- a/fs/jfs/jfs_logmgr.h
+++ b/fs/jfs/jfs_logmgr.h
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19#ifndef _H_JFS_LOGMGR 19#ifndef _H_JFS_LOGMGR
@@ -35,19 +35,19 @@
35/* 35/*
36 * log logical volume 36 * log logical volume
37 * 37 *
38 * a log is used to make the commit operation on journalled 38 * a log is used to make the commit operation on journalled
39 * files within the same logical volume group atomic. 39 * files within the same logical volume group atomic.
40 * a log is implemented with a logical volume. 40 * a log is implemented with a logical volume.
41 * there is one log per logical volume group. 41 * there is one log per logical volume group.
42 * 42 *
43 * block 0 of the log logical volume is not used (ipl etc). 43 * block 0 of the log logical volume is not used (ipl etc).
44 * block 1 contains a log "superblock" and is used by logFormat(), 44 * block 1 contains a log "superblock" and is used by logFormat(),
45 * lmLogInit(), lmLogShutdown(), and logRedo() to record status 45 * lmLogInit(), lmLogShutdown(), and logRedo() to record status
46 * of the log but is not otherwise used during normal processing. 46 * of the log but is not otherwise used during normal processing.
47 * blocks 2 - (N-1) are used to contain log records. 47 * blocks 2 - (N-1) are used to contain log records.
48 * 48 *
49 * when a volume group is varied-on-line, logRedo() must have 49 * when a volume group is varied-on-line, logRedo() must have
50 * been executed before the file systems (logical volumes) in 50 * been executed before the file systems (logical volumes) in
51 * the volume group can be mounted. 51 * the volume group can be mounted.
52 */ 52 */
53/* 53/*
@@ -97,26 +97,26 @@ struct logsuper {
97 * log logical page 97 * log logical page
98 * 98 *
99 * (this comment should be rewritten !) 99 * (this comment should be rewritten !)
100 * the header and trailer structures (h,t) will normally have 100 * the header and trailer structures (h,t) will normally have
101 * the same page and eor value. 101 * the same page and eor value.
102 * An exception to this occurs when a complete page write is not 102 * An exception to this occurs when a complete page write is not
103 * accomplished on a power failure. Since the hardware may "split write" 103 * accomplished on a power failure. Since the hardware may "split write"
104 * sectors in the page, any out of order sequence may occur during powerfail 104 * sectors in the page, any out of order sequence may occur during powerfail
105 * and needs to be recognized during log replay. The xor value is 105 * and needs to be recognized during log replay. The xor value is
106 * an "exclusive or" of all log words in the page up to eor. This 106 * an "exclusive or" of all log words in the page up to eor. This
107 * 32 bit eor is stored with the top 16 bits in the header and the 107 * 32 bit eor is stored with the top 16 bits in the header and the
108 * bottom 16 bits in the trailer. logredo can easily recognize pages 108 * bottom 16 bits in the trailer. logredo can easily recognize pages
109 * that were not completed by reconstructing this eor and checking 109 * that were not completed by reconstructing this eor and checking
110 * the log page. 110 * the log page.
111 * 111 *
112 * Previous versions of the operating system did not allow split 112 * Previous versions of the operating system did not allow split
113 * writes and detected partially written records in logredo by 113 * writes and detected partially written records in logredo by
114 * ordering the updates to the header, trailer, and the move of data 114 * ordering the updates to the header, trailer, and the move of data
115 * into the logdata area. The order: (1) data is moved (2) header 115 * into the logdata area. The order: (1) data is moved (2) header
116 * is updated (3) trailer is updated. In logredo, when the header 116 * is updated (3) trailer is updated. In logredo, when the header
117 * differed from the trailer, the header and trailer were reconciled 117 * differed from the trailer, the header and trailer were reconciled
118 * as follows: if h.page != t.page they were set to the smaller of 118 * as follows: if h.page != t.page they were set to the smaller of
119 * the two and h.eor and t.eor set to 8 (i.e. empty page). if (only) 119 * the two and h.eor and t.eor set to 8 (i.e. empty page). if (only)
120 * h.eor != t.eor they were set to the smaller of their two values. 120 * h.eor != t.eor they were set to the smaller of their two values.
121 */ 121 */
122struct logpage { 122struct logpage {
@@ -147,20 +147,20 @@ struct logpage {
147 * in a page, pages are written to temporary paging space if 147 * in a page, pages are written to temporary paging space if
148 * if they must be written to disk before commit, and i/o is 148 * if they must be written to disk before commit, and i/o is
149 * scheduled for modified pages to their home location after 149 * scheduled for modified pages to their home location after
150 * the log records containing the after values and the commit 150 * the log records containing the after values and the commit
151 * record is written to the log on disk, undo discards the copy 151 * record is written to the log on disk, undo discards the copy
152 * in main-memory.) 152 * in main-memory.)
153 * 153 *
154 * a log record consists of a data area of variable length followed by 154 * a log record consists of a data area of variable length followed by
155 * a descriptor of fixed size LOGRDSIZE bytes. 155 * a descriptor of fixed size LOGRDSIZE bytes.
156 * the data area is rounded up to an integral number of 4-bytes and 156 * the data area is rounded up to an integral number of 4-bytes and
157 * must be no longer than LOGPSIZE. 157 * must be no longer than LOGPSIZE.
158 * the descriptor is of size of multiple of 4-bytes and aligned on a 158 * the descriptor is of size of multiple of 4-bytes and aligned on a
159 * 4-byte boundary. 159 * 4-byte boundary.
160 * records are packed one after the other in the data area of log pages. 160 * records are packed one after the other in the data area of log pages.
161 * (sometimes a DUMMY record is inserted so that at least one record ends 161 * (sometimes a DUMMY record is inserted so that at least one record ends
162 * on every page or the longest record is placed on at most two pages). 162 * on every page or the longest record is placed on at most two pages).
163 * the field eor in page header/trailer points to the byte following 163 * the field eor in page header/trailer points to the byte following
164 * the last record on a page. 164 * the last record on a page.
165 */ 165 */
166 166
@@ -270,11 +270,11 @@ struct lrd {
270 /* 270 /*
271 * NOREDOINOEXT: the inode extent is freed 271 * NOREDOINOEXT: the inode extent is freed
272 * 272 *
273 * do not apply after-image records which precede this 273 * do not apply after-image records which precede this
274 * record in the log with the any of the 4 page block 274 * record in the log with the any of the 4 page block
275 * numbers in this inode extent. 275 * numbers in this inode extent.
276 * 276 *
277 * NOTE: The fileset and pxd fields MUST remain in 277 * NOTE: The fileset and pxd fields MUST remain in
278 * the same fields in the REDOPAGE record format. 278 * the same fields in the REDOPAGE record format.
279 * 279 *
280 */ 280 */
@@ -319,12 +319,10 @@ struct lrd {
319 * do not apply records which precede this record in the log 319 * do not apply records which precede this record in the log
320 * with the same inode number. 320 * with the same inode number.
321 * 321 *
322 * NOREDILE must be the first to be written at commit 322 * NOREDOFILE must be the first to be written at commit
323 * (last to be read in logredo()) - it prevents 323 * (last to be read in logredo()) - it prevents
324 * replay of preceding updates of all preceding generations 324 * replay of preceding updates of all preceding generations
325 * of the inumber esp. the on-disk inode itself, 325 * of the inumber esp. the on-disk inode itself.
326 * but does NOT prevent
327 * replay of the
328 */ 326 */
329 struct { 327 struct {
330 __le32 fileset; /* 4: fileset number */ 328 __le32 fileset; /* 4: fileset number */
@@ -332,7 +330,7 @@ struct lrd {
332 } noredofile; 330 } noredofile;
333 331
334 /* 332 /*
335 * ? NEWPAGE: 333 * ? NEWPAGE:
336 * 334 *
337 * metadata type dependent 335 * metadata type dependent
338 */ 336 */
@@ -464,7 +462,7 @@ struct lbuf {
464 s64 l_blkno; /* 8: log page block number */ 462 s64 l_blkno; /* 8: log page block number */
465 caddr_t l_ldata; /* 4: data page */ 463 caddr_t l_ldata; /* 4: data page */
466 struct page *l_page; /* The page itself */ 464 struct page *l_page; /* The page itself */
467 uint l_offset; /* Offset of l_ldata within the page */ 465 uint l_offset; /* Offset of l_ldata within the page */
468 466
469 wait_queue_head_t l_ioevent; /* 4: i/o done event */ 467 wait_queue_head_t l_ioevent; /* 4: i/o done event */
470}; 468};
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index f5afc129d6b1..0cccd1c39d75 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -461,7 +461,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc)
461 goto add_failed; 461 goto add_failed;
462 if (!bio->bi_size) 462 if (!bio->bi_size)
463 goto dump_bio; 463 goto dump_bio;
464 464
465 submit_bio(WRITE, bio); 465 submit_bio(WRITE, bio);
466 } 466 }
467 if (redirty) 467 if (redirty)
@@ -648,7 +648,7 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
648 jfs_err("logical_size = %d, size = %d", 648 jfs_err("logical_size = %d, size = %d",
649 mp->logical_size, size); 649 mp->logical_size, size);
650 dump_stack(); 650 dump_stack();
651 goto unlock; 651 goto unlock;
652 } 652 }
653 mp->count++; 653 mp->count++;
654 lock_metapage(mp); 654 lock_metapage(mp);
@@ -658,7 +658,7 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
658 "__get_metapage: using a " 658 "__get_metapage: using a "
659 "discarded metapage"); 659 "discarded metapage");
660 discard_metapage(mp); 660 discard_metapage(mp);
661 goto unlock; 661 goto unlock;
662 } 662 }
663 clear_bit(META_discard, &mp->flag); 663 clear_bit(META_discard, &mp->flag);
664 } 664 }
diff --git a/fs/jfs/jfs_metapage.h b/fs/jfs/jfs_metapage.h
index 01a5a455e012..d94f8d9e87d7 100644
--- a/fs/jfs/jfs_metapage.h
+++ b/fs/jfs/jfs_metapage.h
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19#ifndef _H_JFS_METAPAGE 19#ifndef _H_JFS_METAPAGE
@@ -33,7 +33,7 @@ struct metapage {
33 unsigned long flag; /* See Below */ 33 unsigned long flag; /* See Below */
34 unsigned long count; /* Reference count */ 34 unsigned long count; /* Reference count */
35 void *data; /* Data pointer */ 35 void *data; /* Data pointer */
36 sector_t index; /* block address of page */ 36 sector_t index; /* block address of page */
37 wait_queue_head_t wait; 37 wait_queue_head_t wait;
38 38
39 /* implementation */ 39 /* implementation */
diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c
index 032d111bc330..4dd479834897 100644
--- a/fs/jfs/jfs_mount.c
+++ b/fs/jfs/jfs_mount.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -21,18 +21,18 @@
21 * 21 *
22 * note: file system in transition to aggregate/fileset: 22 * note: file system in transition to aggregate/fileset:
23 * 23 *
24 * file system mount is interpreted as the mount of aggregate, 24 * file system mount is interpreted as the mount of aggregate,
25 * if not already mounted, and mount of the single/only fileset in 25 * if not already mounted, and mount of the single/only fileset in
26 * the aggregate; 26 * the aggregate;
27 * 27 *
28 * a file system/aggregate is represented by an internal inode 28 * a file system/aggregate is represented by an internal inode
29 * (aka mount inode) initialized with aggregate superblock; 29 * (aka mount inode) initialized with aggregate superblock;
30 * each vfs represents a fileset, and points to its "fileset inode 30 * each vfs represents a fileset, and points to its "fileset inode
31 * allocation map inode" (aka fileset inode): 31 * allocation map inode" (aka fileset inode):
32 * (an aggregate itself is structured recursively as a filset: 32 * (an aggregate itself is structured recursively as a filset:
33 * an internal vfs is constructed and points to its "fileset inode 33 * an internal vfs is constructed and points to its "fileset inode
34 * allocation map inode" (aka aggregate inode) where each inode 34 * allocation map inode" (aka aggregate inode) where each inode
35 * represents a fileset inode) so that inode number is mapped to 35 * represents a fileset inode) so that inode number is mapped to
36 * on-disk inode in uniform way at both aggregate and fileset level; 36 * on-disk inode in uniform way at both aggregate and fileset level;
37 * 37 *
38 * each vnode/inode of a fileset is linked to its vfs (to facilitate 38 * each vnode/inode of a fileset is linked to its vfs (to facilitate
@@ -41,7 +41,7 @@
41 * per aggregate information, e.g., block size, etc.) as well as 41 * per aggregate information, e.g., block size, etc.) as well as
42 * its file set inode. 42 * its file set inode.
43 * 43 *
44 * aggregate 44 * aggregate
45 * ipmnt 45 * ipmnt
46 * mntvfs -> fileset ipimap+ -> aggregate ipbmap -> aggregate ipaimap; 46 * mntvfs -> fileset ipimap+ -> aggregate ipbmap -> aggregate ipaimap;
47 * fileset vfs -> vp(1) <-> ... <-> vp(n) <->vproot; 47 * fileset vfs -> vp(1) <-> ... <-> vp(n) <->vproot;
@@ -88,7 +88,7 @@ int jfs_mount(struct super_block *sb)
88 struct inode *ipbmap = NULL; 88 struct inode *ipbmap = NULL;
89 89
90 /* 90 /*
91 * read/validate superblock 91 * read/validate superblock
92 * (initialize mount inode from the superblock) 92 * (initialize mount inode from the superblock)
93 */ 93 */
94 if ((rc = chkSuper(sb))) { 94 if ((rc = chkSuper(sb))) {
@@ -238,7 +238,7 @@ int jfs_mount(struct super_block *sb)
238 */ 238 */
239int jfs_mount_rw(struct super_block *sb, int remount) 239int jfs_mount_rw(struct super_block *sb, int remount)
240{ 240{
241 struct jfs_sb_info *sbi = JFS_SBI(sb); 241 struct jfs_sb_info *sbi = JFS_SBI(sb);
242 int rc; 242 int rc;
243 243
244 /* 244 /*
@@ -291,7 +291,7 @@ int jfs_mount_rw(struct super_block *sb, int remount)
291/* 291/*
292 * chkSuper() 292 * chkSuper()
293 * 293 *
294 * validate the superblock of the file system to be mounted and 294 * validate the superblock of the file system to be mounted and
295 * get the file system parameters. 295 * get the file system parameters.
296 * 296 *
297 * returns 297 * returns
@@ -426,7 +426,7 @@ int updateSuper(struct super_block *sb, uint state)
426 jfs_err("updateSuper: bad state"); 426 jfs_err("updateSuper: bad state");
427 } else if (sbi->state == FM_DIRTY) 427 } else if (sbi->state == FM_DIRTY)
428 return 0; 428 return 0;
429 429
430 if ((rc = readSuper(sb, &bh))) 430 if ((rc = readSuper(sb, &bh)))
431 return rc; 431 return rc;
432 432
@@ -486,9 +486,9 @@ int readSuper(struct super_block *sb, struct buffer_head **bpp)
486 * for this file system past this point in log. 486 * for this file system past this point in log.
487 * it is harmless if mount fails. 487 * it is harmless if mount fails.
488 * 488 *
489 * note: MOUNT record is at aggregate level, not at fileset level, 489 * note: MOUNT record is at aggregate level, not at fileset level,
490 * since log records of previous mounts of a fileset 490 * since log records of previous mounts of a fileset
491 * (e.g., AFTER record of extent allocation) have to be processed 491 * (e.g., AFTER record of extent allocation) have to be processed
492 * to update block allocation map at aggregate level. 492 * to update block allocation map at aggregate level.
493 */ 493 */
494static int logMOUNT(struct super_block *sb) 494static int logMOUNT(struct super_block *sb)
diff --git a/fs/jfs/jfs_superblock.h b/fs/jfs/jfs_superblock.h
index 682cf1a68a18..884fc21ab8ee 100644
--- a/fs/jfs/jfs_superblock.h
+++ b/fs/jfs/jfs_superblock.h
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_SUPERBLOCK 18#ifndef _H_JFS_SUPERBLOCK
@@ -21,14 +21,14 @@
21/* 21/*
22 * make the magic number something a human could read 22 * make the magic number something a human could read
23 */ 23 */
24#define JFS_MAGIC "JFS1" /* Magic word */ 24#define JFS_MAGIC "JFS1" /* Magic word */
25 25
26#define JFS_VERSION 2 /* Version number: Version 2 */ 26#define JFS_VERSION 2 /* Version number: Version 2 */
27 27
28#define LV_NAME_SIZE 11 /* MUST BE 11 for OS/2 boot sector */ 28#define LV_NAME_SIZE 11 /* MUST BE 11 for OS/2 boot sector */
29 29
30/* 30/*
31 * aggregate superblock 31 * aggregate superblock
32 * 32 *
33 * The name superblock is too close to super_block, so the name has been 33 * The name superblock is too close to super_block, so the name has been
34 * changed to jfs_superblock. The utilities are still using the old name. 34 * changed to jfs_superblock. The utilities are still using the old name.
@@ -40,7 +40,7 @@ struct jfs_superblock {
40 __le64 s_size; /* 8: aggregate size in hardware/LVM blocks; 40 __le64 s_size; /* 8: aggregate size in hardware/LVM blocks;
41 * VFS: number of blocks 41 * VFS: number of blocks
42 */ 42 */
43 __le32 s_bsize; /* 4: aggregate block size in bytes; 43 __le32 s_bsize; /* 4: aggregate block size in bytes;
44 * VFS: fragment size 44 * VFS: fragment size
45 */ 45 */
46 __le16 s_l2bsize; /* 2: log2 of s_bsize */ 46 __le16 s_l2bsize; /* 2: log2 of s_bsize */
@@ -54,7 +54,7 @@ struct jfs_superblock {
54 __le32 s_flag; /* 4: aggregate attributes: 54 __le32 s_flag; /* 4: aggregate attributes:
55 * see jfs_filsys.h 55 * see jfs_filsys.h
56 */ 56 */
57 __le32 s_state; /* 4: mount/unmount/recovery state: 57 __le32 s_state; /* 4: mount/unmount/recovery state:
58 * see jfs_filsys.h 58 * see jfs_filsys.h
59 */ 59 */
60 __le32 s_compress; /* 4: > 0 if data compression */ 60 __le32 s_compress; /* 4: > 0 if data compression */
@@ -75,11 +75,11 @@ struct jfs_superblock {
75 struct timestruc_t s_time; /* 8: time last updated */ 75 struct timestruc_t s_time; /* 8: time last updated */
76 76
77 __le32 s_fsckloglen; /* 4: Number of filesystem blocks reserved for 77 __le32 s_fsckloglen; /* 4: Number of filesystem blocks reserved for
78 * the fsck service log. 78 * the fsck service log.
79 * N.B. These blocks are divided among the 79 * N.B. These blocks are divided among the
80 * versions kept. This is not a per 80 * versions kept. This is not a per
81 * version size. 81 * version size.
82 * N.B. These blocks are included in the 82 * N.B. These blocks are included in the
83 * length field of s_fsckpxd. 83 * length field of s_fsckpxd.
84 */ 84 */
85 s8 s_fscklog; /* 1: which fsck service log is most recent 85 s8 s_fscklog; /* 1: which fsck service log is most recent
@@ -87,7 +87,7 @@ struct jfs_superblock {
87 * 1 => the first one 87 * 1 => the first one
88 * 2 => the 2nd one 88 * 2 => the 2nd one
89 */ 89 */
90 char s_fpack[11]; /* 11: file system volume name 90 char s_fpack[11]; /* 11: file system volume name
91 * N.B. This must be 11 bytes to 91 * N.B. This must be 11 bytes to
92 * conform with the OS/2 BootSector 92 * conform with the OS/2 BootSector
93 * requirements 93 * requirements
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index 6ea9c1a88f78..81f6f04af192 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
diff --git a/fs/jfs/jfs_txnmgr.h b/fs/jfs/jfs_txnmgr.h
index 0e4dc4514c47..7863cf21afca 100644
--- a/fs/jfs/jfs_txnmgr.h
+++ b/fs/jfs/jfs_txnmgr.h
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_TXNMGR 18#ifndef _H_JFS_TXNMGR
@@ -179,7 +179,7 @@ struct linelock {
179 /* (8) */ 179 /* (8) */
180 180
181 struct lv lv[20]; /* 40: */ 181 struct lv lv[20]; /* 40: */
182}; /* (48) */ 182}; /* (48) */
183 183
184#define dt_lock linelock 184#define dt_lock linelock
185 185
@@ -211,8 +211,8 @@ struct xtlock {
211 * at tlock.lock/linelock: watch for alignment; 211 * at tlock.lock/linelock: watch for alignment;
212 * N.B. next field may be set by linelock, and should not 212 * N.B. next field may be set by linelock, and should not
213 * be modified by maplock; 213 * be modified by maplock;
214 * N.B. index of the first pxdlock specifies index of next 214 * N.B. index of the first pxdlock specifies index of next
215 * free maplock (i.e., number of maplock) in the tlock; 215 * free maplock (i.e., number of maplock) in the tlock;
216 */ 216 */
217struct maplock { 217struct maplock {
218 lid_t next; /* 2: */ 218 lid_t next; /* 2: */
diff --git a/fs/jfs/jfs_umount.c b/fs/jfs/jfs_umount.c
index 21eaf7ac0fcb..a386f48c73fc 100644
--- a/fs/jfs/jfs_umount.c
+++ b/fs/jfs/jfs_umount.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -22,8 +22,8 @@
22 * note: file system in transition to aggregate/fileset: 22 * note: file system in transition to aggregate/fileset:
23 * (ref. jfs_mount.c) 23 * (ref. jfs_mount.c)
24 * 24 *
25 * file system unmount is interpreted as mount of the single/only 25 * file system unmount is interpreted as mount of the single/only
26 * fileset in the aggregate and, if unmount of the last fileset, 26 * fileset in the aggregate and, if unmount of the last fileset,
27 * as unmount of the aggerate; 27 * as unmount of the aggerate;
28 */ 28 */
29 29
@@ -60,13 +60,13 @@ int jfs_umount(struct super_block *sb)
60 jfs_info("UnMount JFS: sb:0x%p", sb); 60 jfs_info("UnMount JFS: sb:0x%p", sb);
61 61
62 /* 62 /*
63 * update superblock and close log 63 * update superblock and close log
64 * 64 *
65 * if mounted read-write and log based recovery was enabled 65 * if mounted read-write and log based recovery was enabled
66 */ 66 */
67 if ((log = sbi->log)) 67 if ((log = sbi->log))
68 /* 68 /*
69 * Wait for outstanding transactions to be written to log: 69 * Wait for outstanding transactions to be written to log:
70 */ 70 */
71 jfs_flush_journal(log, 2); 71 jfs_flush_journal(log, 2);
72 72
@@ -112,17 +112,17 @@ int jfs_umount(struct super_block *sb)
112 112
113 /* 113 /*
114 * ensure all file system file pages are propagated to their 114 * ensure all file system file pages are propagated to their
115 * home blocks on disk (and their in-memory buffer pages are 115 * home blocks on disk (and their in-memory buffer pages are
116 * invalidated) BEFORE updating file system superblock state 116 * invalidated) BEFORE updating file system superblock state
117 * (to signify file system is unmounted cleanly, and thus in 117 * (to signify file system is unmounted cleanly, and thus in
118 * consistent state) and log superblock active file system 118 * consistent state) and log superblock active file system
119 * list (to signify skip logredo()). 119 * list (to signify skip logredo()).
120 */ 120 */
121 if (log) { /* log = NULL if read-only mount */ 121 if (log) { /* log = NULL if read-only mount */
122 updateSuper(sb, FM_CLEAN); 122 updateSuper(sb, FM_CLEAN);
123 123
124 /* 124 /*
125 * close log: 125 * close log:
126 * 126 *
127 * remove file system from log active file system list. 127 * remove file system from log active file system list.
128 */ 128 */
@@ -142,7 +142,7 @@ int jfs_umount_rw(struct super_block *sb)
142 return 0; 142 return 0;
143 143
144 /* 144 /*
145 * close log: 145 * close log:
146 * 146 *
147 * remove file system from log active file system list. 147 * remove file system from log active file system list.
148 */ 148 */
diff --git a/fs/jfs/jfs_unicode.c b/fs/jfs/jfs_unicode.c
index 0543f7fd4364..c7de6f5bbefc 100644
--- a/fs/jfs/jfs_unicode.c
+++ b/fs/jfs/jfs_unicode.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
@@ -57,8 +57,8 @@ int jfs_strfromUCS_le(char *to, const __le16 * from,
57 warn--; 57 warn--;
58 warn_again--; 58 warn_again--;
59 printk(KERN_ERR 59 printk(KERN_ERR
60 "non-latin1 character 0x%x found in JFS file name\n", 60 "non-latin1 character 0x%x found in JFS file name\n",
61 le16_to_cpu(from[i])); 61 le16_to_cpu(from[i]));
62 printk(KERN_ERR 62 printk(KERN_ERR
63 "mount with iocharset=utf8 to access\n"); 63 "mount with iocharset=utf8 to access\n");
64 } 64 }
diff --git a/fs/jfs/jfs_unicode.h b/fs/jfs/jfs_unicode.h
index 69e25ebe87ac..3fbb3a225590 100644
--- a/fs/jfs/jfs_unicode.h
+++ b/fs/jfs/jfs_unicode.h
@@ -1,19 +1,19 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * Portions Copyright (c) Christoph Hellwig, 2001-2002 3 * Portions Copyright (C) Christoph Hellwig, 2001-2002
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19#ifndef _H_JFS_UNICODE 19#ifndef _H_JFS_UNICODE
diff --git a/fs/jfs/jfs_uniupr.c b/fs/jfs/jfs_uniupr.c
index 4ab185d26308..cfe50666d312 100644
--- a/fs/jfs/jfs_uniupr.c
+++ b/fs/jfs/jfs_uniupr.c
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
diff --git a/fs/jfs/jfs_xattr.h b/fs/jfs/jfs_xattr.h
index 25e9990bccd1..88b6cc535bf2 100644
--- a/fs/jfs/jfs_xattr.h
+++ b/fs/jfs/jfs_xattr.h
@@ -1,5 +1,5 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c
index c92307d3a57e..e98eb03e5310 100644
--- a/fs/jfs/jfs_xtree.c
+++ b/fs/jfs/jfs_xtree.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18/* 18/*
@@ -2428,7 +2428,7 @@ printf("xtUpdate.updateLeft.split p:0x%p\n", p);
2428 * return: 2428 * return:
2429 */ 2429 */
2430int xtAppend(tid_t tid, /* transaction id */ 2430int xtAppend(tid_t tid, /* transaction id */
2431 struct inode *ip, int xflag, s64 xoff, s32 maxblocks, 2431 struct inode *ip, int xflag, s64 xoff, s32 maxblocks,
2432 s32 * xlenp, /* (in/out) */ 2432 s32 * xlenp, /* (in/out) */
2433 s64 * xaddrp, /* (in/out) */ 2433 s64 * xaddrp, /* (in/out) */
2434 int flag) 2434 int flag)
@@ -2499,7 +2499,7 @@ int xtAppend(tid_t tid, /* transaction id */
2499 pxdlist.maxnpxd = pxdlist.npxd = 0; 2499 pxdlist.maxnpxd = pxdlist.npxd = 0;
2500 pxd = &pxdlist.pxd[0]; 2500 pxd = &pxdlist.pxd[0];
2501 nblocks = JFS_SBI(ip->i_sb)->nbperpage; 2501 nblocks = JFS_SBI(ip->i_sb)->nbperpage;
2502 for (; nsplit > 0; nsplit--, pxd++, xaddr += nblocks, maxblocks -= nblocks) { 2502 for (; nsplit > 0; nsplit--, pxd++, xaddr += nblocks, maxblocks -= nblocks) {
2503 if ((rc = dbAllocBottomUp(ip, xaddr, (s64) nblocks)) == 0) { 2503 if ((rc = dbAllocBottomUp(ip, xaddr, (s64) nblocks)) == 0) {
2504 PXDaddress(pxd, xaddr); 2504 PXDaddress(pxd, xaddr);
2505 PXDlength(pxd, nblocks); 2505 PXDlength(pxd, nblocks);
@@ -2514,7 +2514,7 @@ int xtAppend(tid_t tid, /* transaction id */
2514 goto out; 2514 goto out;
2515 } 2515 }
2516 2516
2517 xlen = min(xlen, maxblocks); 2517 xlen = min(xlen, maxblocks);
2518 2518
2519 /* 2519 /*
2520 * allocate data extent requested 2520 * allocate data extent requested
diff --git a/fs/jfs/jfs_xtree.h b/fs/jfs/jfs_xtree.h
index af668a80b40f..164f6f2b1019 100644
--- a/fs/jfs/jfs_xtree.h
+++ b/fs/jfs/jfs_xtree.h
@@ -1,18 +1,18 @@
1/* 1/*
2 * Copyright (c) International Business Machines Corp., 2000-2002 2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18#ifndef _H_JFS_XTREE 18#ifndef _H_JFS_XTREE
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 5d4ef6e4b7e9..a6a8c16c872c 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -41,7 +41,7 @@ static s64 commitZeroLink(tid_t, struct inode *);
41/* 41/*
42 * NAME: free_ea_wmap(inode) 42 * NAME: free_ea_wmap(inode)
43 * 43 *
44 * FUNCTION: free uncommitted extended attributes from working map 44 * FUNCTION: free uncommitted extended attributes from working map
45 * 45 *
46 */ 46 */
47static inline void free_ea_wmap(struct inode *inode) 47static inline void free_ea_wmap(struct inode *inode)
@@ -62,7 +62,7 @@ static inline void free_ea_wmap(struct inode *inode)
62 * FUNCTION: create a regular file in the parent directory <dip> 62 * FUNCTION: create a regular file in the parent directory <dip>
63 * with name = <from dentry> and mode = <mode> 63 * with name = <from dentry> and mode = <mode>
64 * 64 *
65 * PARAMETER: dip - parent directory vnode 65 * PARAMETER: dip - parent directory vnode
66 * dentry - dentry of new file 66 * dentry - dentry of new file
67 * mode - create mode (rwxrwxrwx). 67 * mode - create mode (rwxrwxrwx).
68 * nd- nd struct 68 * nd- nd struct
@@ -190,7 +190,7 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
190 * FUNCTION: create a child directory in the parent directory <dip> 190 * FUNCTION: create a child directory in the parent directory <dip>
191 * with name = <from dentry> and mode = <mode> 191 * with name = <from dentry> and mode = <mode>
192 * 192 *
193 * PARAMETER: dip - parent directory vnode 193 * PARAMETER: dip - parent directory vnode
194 * dentry - dentry of child directory 194 * dentry - dentry of child directory
195 * mode - create mode (rwxrwxrwx). 195 * mode - create mode (rwxrwxrwx).
196 * 196 *
@@ -324,7 +324,7 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
324 * 324 *
325 * FUNCTION: remove a link to child directory 325 * FUNCTION: remove a link to child directory
326 * 326 *
327 * PARAMETER: dip - parent inode 327 * PARAMETER: dip - parent inode
328 * dentry - child directory dentry 328 * dentry - child directory dentry
329 * 329 *
330 * RETURN: -EINVAL - if name is . or .. 330 * RETURN: -EINVAL - if name is . or ..
@@ -332,10 +332,10 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
332 * errors from subroutines 332 * errors from subroutines
333 * 333 *
334 * note: 334 * note:
335 * if other threads have the directory open when the last link 335 * if other threads have the directory open when the last link
336 * is removed, the "." and ".." entries, if present, are removed before 336 * is removed, the "." and ".." entries, if present, are removed before
337 * rmdir() returns and no new entries may be created in the directory, 337 * rmdir() returns and no new entries may be created in the directory,
338 * but the directory is not removed until the last reference to 338 * but the directory is not removed until the last reference to
339 * the directory is released (cf.unlink() of regular file). 339 * the directory is released (cf.unlink() of regular file).
340 */ 340 */
341static int jfs_rmdir(struct inode *dip, struct dentry *dentry) 341static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
@@ -446,11 +446,11 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
446/* 446/*
447 * NAME: jfs_unlink(dip, dentry) 447 * NAME: jfs_unlink(dip, dentry)
448 * 448 *
449 * FUNCTION: remove a link to object <vp> named by <name> 449 * FUNCTION: remove a link to object <vp> named by <name>
450 * from parent directory <dvp> 450 * from parent directory <dvp>
451 * 451 *
452 * PARAMETER: dip - inode of parent directory 452 * PARAMETER: dip - inode of parent directory
453 * dentry - dentry of object to be removed 453 * dentry - dentry of object to be removed
454 * 454 *
455 * RETURN: errors from subroutines 455 * RETURN: errors from subroutines
456 * 456 *
@@ -598,7 +598,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
598 * 598 *
599 * FUNCTION: for non-directory, called by jfs_remove(), 599 * FUNCTION: for non-directory, called by jfs_remove(),
600 * truncate a regular file, directory or symbolic 600 * truncate a regular file, directory or symbolic
601 * link to zero length. return 0 if type is not 601 * link to zero length. return 0 if type is not
602 * one of these. 602 * one of these.
603 * 603 *
604 * if the file is currently associated with a VM segment 604 * if the file is currently associated with a VM segment
@@ -608,7 +608,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
608 * map by ctrunc1. 608 * map by ctrunc1.
609 * if there is no VM segment on entry, the resources are 609 * if there is no VM segment on entry, the resources are
610 * freed in both work and permanent map. 610 * freed in both work and permanent map.
611 * (? for temporary file - memory object is cached even 611 * (? for temporary file - memory object is cached even
612 * after no reference: 612 * after no reference:
613 * reference count > 0 - ) 613 * reference count > 0 - )
614 * 614 *
@@ -662,7 +662,7 @@ static s64 commitZeroLink(tid_t tid, struct inode *ip)
662 662
663 /* 663 /*
664 * free xtree/data (truncate to zero length): 664 * free xtree/data (truncate to zero length):
665 * free xtree/data pages from cache if COMMIT_PWMAP, 665 * free xtree/data pages from cache if COMMIT_PWMAP,
666 * free xtree/data blocks from persistent block map, and 666 * free xtree/data blocks from persistent block map, and
667 * free xtree/data blocks from working block map if COMMIT_PWMAP; 667 * free xtree/data blocks from working block map if COMMIT_PWMAP;
668 */ 668 */
@@ -677,7 +677,7 @@ static s64 commitZeroLink(tid_t tid, struct inode *ip)
677 * NAME: jfs_free_zero_link() 677 * NAME: jfs_free_zero_link()
678 * 678 *
679 * FUNCTION: for non-directory, called by iClose(), 679 * FUNCTION: for non-directory, called by iClose(),
680 * free resources of a file from cache and WORKING map 680 * free resources of a file from cache and WORKING map
681 * for a file previously committed with zero link count 681 * for a file previously committed with zero link count
682 * while associated with a pager object, 682 * while associated with a pager object,
683 * 683 *
@@ -762,7 +762,7 @@ void jfs_free_zero_link(struct inode *ip)
762 * FUNCTION: create a link to <vp> by the name = <name> 762 * FUNCTION: create a link to <vp> by the name = <name>
763 * in the parent directory <dvp> 763 * in the parent directory <dvp>
764 * 764 *
765 * PARAMETER: vp - target object 765 * PARAMETER: vp - target object
766 * dvp - parent directory of new link 766 * dvp - parent directory of new link
767 * name - name of new link to target object 767 * name - name of new link to target object
768 * crp - credential 768 * crp - credential
@@ -858,8 +858,8 @@ static int jfs_link(struct dentry *old_dentry,
858 * in directory <dip> 858 * in directory <dip>
859 * 859 *
860 * PARAMETER: dip - parent directory vnode 860 * PARAMETER: dip - parent directory vnode
861 * dentry - dentry of symbolic link 861 * dentry - dentry of symbolic link
862 * name - the path name of the existing object 862 * name - the path name of the existing object
863 * that will be the source of the link 863 * that will be the source of the link
864 * 864 *
865 * RETURN: errors from subroutines 865 * RETURN: errors from subroutines
@@ -926,7 +926,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
926 tblk->u.ixpxd = JFS_IP(ip)->ixpxd; 926 tblk->u.ixpxd = JFS_IP(ip)->ixpxd;
927 927
928 /* fix symlink access permission 928 /* fix symlink access permission
929 * (dir_create() ANDs in the u.u_cmask, 929 * (dir_create() ANDs in the u.u_cmask,
930 * but symlinks really need to be 777 access) 930 * but symlinks really need to be 777 access)
931 */ 931 */
932 ip->i_mode |= 0777; 932 ip->i_mode |= 0777;
@@ -967,7 +967,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
967 ip->i_mapping->a_ops = &jfs_aops; 967 ip->i_mapping->a_ops = &jfs_aops;
968 968
969 /* 969 /*
970 * even though the data of symlink object (source 970 * even though the data of symlink object (source
971 * path name) is treated as non-journaled user data, 971 * path name) is treated as non-journaled user data,
972 * it is read/written thru buffer cache for performance. 972 * it is read/written thru buffer cache for performance.
973 */ 973 */
@@ -1175,7 +1175,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
1175 /* free block resources */ 1175 /* free block resources */
1176 if ((new_size = commitZeroLink(tid, new_ip)) < 0) { 1176 if ((new_size = commitZeroLink(tid, new_ip)) < 0) {
1177 txAbort(tid, 1); /* Marks FS Dirty */ 1177 txAbort(tid, 1); /* Marks FS Dirty */
1178 rc = new_size; 1178 rc = new_size;
1179 goto out4; 1179 goto out4;
1180 } 1180 }
1181 tblk = tid_to_tblock(tid); 1181 tblk = tid_to_tblock(tid);
@@ -1291,7 +1291,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
1291 new_size = xtTruncate_pmap(tid, new_ip, new_size); 1291 new_size = xtTruncate_pmap(tid, new_ip, new_size);
1292 if (new_size < 0) { 1292 if (new_size < 0) {
1293 txAbort(tid, 1); 1293 txAbort(tid, 1);
1294 rc = new_size; 1294 rc = new_size;
1295 } else 1295 } else
1296 rc = txCommit(tid, 1, &new_ip, COMMIT_SYNC); 1296 rc = txCommit(tid, 1, &new_ip, COMMIT_SYNC);
1297 txEnd(tid); 1297 txEnd(tid);
diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index 45180361871c..79d625f3f733 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/ 17*/
18 18
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index fc6951587c6b..9c1c6e0e633d 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -82,7 +82,7 @@ static void jfs_handle_error(struct super_block *sb)
82 "as read-only\n", 82 "as read-only\n",
83 sb->s_id); 83 sb->s_id);
84 sb->s_flags |= MS_RDONLY; 84 sb->s_flags |= MS_RDONLY;
85 } 85 }
86 86
87 /* nothing is done for continue beyond marking the superblock dirty */ 87 /* nothing is done for continue beyond marking the superblock dirty */
88} 88}
@@ -775,7 +775,7 @@ static int __init init_jfs_fs(void)
775 int rc; 775 int rc;
776 776
777 jfs_inode_cachep = 777 jfs_inode_cachep =
778 kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0, 778 kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
779 SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, 779 SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
780 init_once, NULL); 780 init_once, NULL);
781 if (jfs_inode_cachep == NULL) 781 if (jfs_inode_cachep == NULL)
diff --git a/fs/jfs/symlink.c b/fs/jfs/symlink.c
index 16477b3835e1..cee43f36f51d 100644
--- a/fs/jfs/symlink.c
+++ b/fs/jfs/symlink.c
@@ -3,16 +3,16 @@
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version. 7 * (at your option) any later version.
8 * 8 *
9 * This program is distributed in the hope that it will be useful, 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details. 12 * the GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software 15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 7a10e1928961..4c7985ebca92 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -4,16 +4,16 @@
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope that it will be useful, 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details. 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU General Public License 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 19
@@ -57,7 +57,7 @@
57 * 57 *
58 * 0 4 4 + EA_SIZE(ea1) 58 * 0 4 4 + EA_SIZE(ea1)
59 * +------------+-------------------+--------------------+----- 59 * +------------+-------------------+--------------------+-----
60 * | Overall EA | First FEA Element | Second FEA Element | ..... 60 * | Overall EA | First FEA Element | Second FEA Element | .....
61 * | List Size | | | 61 * | List Size | | |
62 * +------------+-------------------+--------------------+----- 62 * +------------+-------------------+--------------------+-----
63 * 63 *
@@ -155,9 +155,9 @@ static void ea_release(struct inode *inode, struct ea_buffer *ea_buf);
155 155
156/* 156/*
157 * NAME: ea_write_inline 157 * NAME: ea_write_inline
158 * 158 *
159 * FUNCTION: Attempt to write an EA inline if area is available 159 * FUNCTION: Attempt to write an EA inline if area is available
160 * 160 *
161 * PRE CONDITIONS: 161 * PRE CONDITIONS:
162 * Already verified that the specified EA is small enough to fit inline 162 * Already verified that the specified EA is small enough to fit inline
163 * 163 *
@@ -216,10 +216,10 @@ static int ea_write_inline(struct inode *ip, struct jfs_ea_list *ealist,
216 216
217/* 217/*
218 * NAME: ea_write 218 * NAME: ea_write
219 * 219 *
220 * FUNCTION: Write an EA for an inode 220 * FUNCTION: Write an EA for an inode
221 * 221 *
222 * PRE CONDITIONS: EA has been verified 222 * PRE CONDITIONS: EA has been verified
223 * 223 *
224 * PARAMETERS: 224 * PARAMETERS:
225 * ip - Inode pointer 225 * ip - Inode pointer
@@ -340,9 +340,9 @@ static int ea_write(struct inode *ip, struct jfs_ea_list *ealist, int size,
340 340
341/* 341/*
342 * NAME: ea_read_inline 342 * NAME: ea_read_inline
343 * 343 *
344 * FUNCTION: Read an inlined EA into user's buffer 344 * FUNCTION: Read an inlined EA into user's buffer
345 * 345 *
346 * PARAMETERS: 346 * PARAMETERS:
347 * ip - Inode pointer 347 * ip - Inode pointer
348 * ealist - Pointer to buffer to fill in with EA 348 * ealist - Pointer to buffer to fill in with EA
@@ -372,9 +372,9 @@ static int ea_read_inline(struct inode *ip, struct jfs_ea_list *ealist)
372 372
373/* 373/*
374 * NAME: ea_read 374 * NAME: ea_read
375 * 375 *
376 * FUNCTION: copy EA data into user's buffer 376 * FUNCTION: copy EA data into user's buffer
377 * 377 *
378 * PARAMETERS: 378 * PARAMETERS:
379 * ip - Inode pointer 379 * ip - Inode pointer
380 * ealist - Pointer to buffer to fill in with EA 380 * ealist - Pointer to buffer to fill in with EA
@@ -406,7 +406,7 @@ static int ea_read(struct inode *ip, struct jfs_ea_list *ealist)
406 return -EIO; 406 return -EIO;
407 } 407 }
408 408
409 /* 409 /*
410 * Figure out how many blocks were allocated when this EA list was 410 * Figure out how many blocks were allocated when this EA list was
411 * originally written to disk. 411 * originally written to disk.
412 */ 412 */
@@ -443,14 +443,14 @@ static int ea_read(struct inode *ip, struct jfs_ea_list *ealist)
443 443
444/* 444/*
445 * NAME: ea_get 445 * NAME: ea_get
446 * 446 *
447 * FUNCTION: Returns buffer containing existing extended attributes. 447 * FUNCTION: Returns buffer containing existing extended attributes.
448 * The size of the buffer will be the larger of the existing 448 * The size of the buffer will be the larger of the existing
449 * attributes size, or min_size. 449 * attributes size, or min_size.
450 * 450 *
451 * The buffer, which may be inlined in the inode or in the 451 * The buffer, which may be inlined in the inode or in the
452 * page cache must be release by calling ea_release or ea_put 452 * page cache must be release by calling ea_release or ea_put
453 * 453 *
454 * PARAMETERS: 454 * PARAMETERS:
455 * inode - Inode pointer 455 * inode - Inode pointer
456 * ea_buf - Structure to be populated with ealist and its metadata 456 * ea_buf - Structure to be populated with ealist and its metadata
@@ -1054,7 +1054,7 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size)
1054 1054
1055 /* compute required size of list */ 1055 /* compute required size of list */
1056 for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) { 1056 for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
1057 if (can_list(ea)) 1057 if (can_list(ea))
1058 size += name_size(ea) + 1; 1058 size += name_size(ea) + 1;
1059 } 1059 }
1060 1060
@@ -1069,7 +1069,7 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size)
1069 /* Copy attribute names to buffer */ 1069 /* Copy attribute names to buffer */
1070 buffer = data; 1070 buffer = data;
1071 for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) { 1071 for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
1072 if (can_list(ea)) { 1072 if (can_list(ea)) {
1073 int namelen = copy_name(buffer, ea); 1073 int namelen = copy_name(buffer, ea);
1074 buffer += namelen + 1; 1074 buffer += namelen + 1;
1075 } 1075 }