diff options
Diffstat (limited to 'fs/xfs/xfs_iomap.c')
-rw-r--r-- | fs/xfs/xfs_iomap.c | 69 |
1 files changed, 21 insertions, 48 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index d0f5be63cddb..45a77a3a6c07 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c | |||
@@ -1,40 +1,25 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | ||
3 | * | 4 | * |
4 | * This program is free software; you can redistribute it and/or modify it | 5 | * This program is free software; you can redistribute it and/or |
5 | * under the terms of version 2 of the GNU General Public License as | 6 | * modify it under the terms of the GNU General Public License as |
6 | * published by the Free Software Foundation. | 7 | * published by the Free Software Foundation. |
7 | * | 8 | * |
8 | * This program is distributed in the hope that it would be useful, but | 9 | * This program is distributed in the hope that it would be useful, |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. | ||
11 | * | 13 | * |
12 | * Further, this software is distributed without any warranty that it is | 14 | * You should have received a copy of the GNU General Public License |
13 | * free of the rightful claim of any third person regarding infringement | 15 | * along with this program; if not, write the Free Software Foundation, |
14 | * or the like. Any license provided herein, whether implied or | 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
15 | * otherwise, applies only to this software file. Patent licenses, if | ||
16 | * any, provided herein do not apply to combinations of this program with | ||
17 | * other software, or any other product whatsoever. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License along | ||
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | ||
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | ||
22 | * | ||
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, | ||
24 | * Mountain View, CA 94043, or: | ||
25 | * | ||
26 | * http://www.sgi.com | ||
27 | * | ||
28 | * For further information regarding this notice, see: | ||
29 | * | ||
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ | ||
31 | */ | 17 | */ |
32 | |||
33 | #include "xfs.h" | 18 | #include "xfs.h" |
34 | |||
35 | #include "xfs_fs.h" | 19 | #include "xfs_fs.h" |
36 | #include "xfs_inum.h" | 20 | #include "xfs_bit.h" |
37 | #include "xfs_log.h" | 21 | #include "xfs_log.h" |
22 | #include "xfs_inum.h" | ||
38 | #include "xfs_trans.h" | 23 | #include "xfs_trans.h" |
39 | #include "xfs_sb.h" | 24 | #include "xfs_sb.h" |
40 | #include "xfs_ag.h" | 25 | #include "xfs_ag.h" |
@@ -44,16 +29,16 @@ | |||
44 | #include "xfs_dmapi.h" | 29 | #include "xfs_dmapi.h" |
45 | #include "xfs_quota.h" | 30 | #include "xfs_quota.h" |
46 | #include "xfs_mount.h" | 31 | #include "xfs_mount.h" |
47 | #include "xfs_alloc_btree.h" | ||
48 | #include "xfs_bmap_btree.h" | 32 | #include "xfs_bmap_btree.h" |
33 | #include "xfs_alloc_btree.h" | ||
49 | #include "xfs_ialloc_btree.h" | 34 | #include "xfs_ialloc_btree.h" |
50 | #include "xfs_btree.h" | ||
51 | #include "xfs_ialloc.h" | ||
52 | #include "xfs_attr_sf.h" | ||
53 | #include "xfs_dir_sf.h" | 35 | #include "xfs_dir_sf.h" |
54 | #include "xfs_dir2_sf.h" | 36 | #include "xfs_dir2_sf.h" |
37 | #include "xfs_attr_sf.h" | ||
55 | #include "xfs_dinode.h" | 38 | #include "xfs_dinode.h" |
56 | #include "xfs_inode.h" | 39 | #include "xfs_inode.h" |
40 | #include "xfs_ialloc.h" | ||
41 | #include "xfs_btree.h" | ||
57 | #include "xfs_bmap.h" | 42 | #include "xfs_bmap.h" |
58 | #include "xfs_bit.h" | 43 | #include "xfs_bit.h" |
59 | #include "xfs_rtalloc.h" | 44 | #include "xfs_rtalloc.h" |
@@ -379,17 +364,15 @@ xfs_iomap_write_direct( | |||
379 | xfs_fileoff_t offset_fsb; | 364 | xfs_fileoff_t offset_fsb; |
380 | xfs_fileoff_t last_fsb; | 365 | xfs_fileoff_t last_fsb; |
381 | xfs_filblks_t count_fsb; | 366 | xfs_filblks_t count_fsb; |
382 | xfs_fsize_t isize; | ||
383 | xfs_fsblock_t firstfsb; | 367 | xfs_fsblock_t firstfsb; |
384 | int nimaps, maps; | 368 | int nimaps; |
385 | int error; | 369 | int error; |
386 | int bmapi_flag; | 370 | int bmapi_flag; |
387 | int quota_flag; | 371 | int quota_flag; |
388 | int rt; | 372 | int rt; |
389 | xfs_trans_t *tp; | 373 | xfs_trans_t *tp; |
390 | xfs_bmbt_irec_t imap[XFS_WRITE_IMAPS], *imapp; | 374 | xfs_bmbt_irec_t imap; |
391 | xfs_bmap_free_t free_list; | 375 | xfs_bmap_free_t free_list; |
392 | int aeof; | ||
393 | xfs_filblks_t qblocks, resblks; | 376 | xfs_filblks_t qblocks, resblks; |
394 | int committed; | 377 | int committed; |
395 | int resrtextents; | 378 | int resrtextents; |
@@ -402,15 +385,6 @@ xfs_iomap_write_direct( | |||
402 | if (error) | 385 | if (error) |
403 | return XFS_ERROR(error); | 386 | return XFS_ERROR(error); |
404 | 387 | ||
405 | maps = min(XFS_WRITE_IMAPS, *nmaps); | ||
406 | nimaps = maps; | ||
407 | |||
408 | isize = ip->i_d.di_size; | ||
409 | aeof = (offset + count) > isize; | ||
410 | |||
411 | if (io->io_new_size > isize) | ||
412 | isize = io->io_new_size; | ||
413 | |||
414 | offset_fsb = XFS_B_TO_FSBT(mp, offset); | 388 | offset_fsb = XFS_B_TO_FSBT(mp, offset); |
415 | last_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)(offset + count))); | 389 | last_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)(offset + count))); |
416 | count_fsb = last_fsb - offset_fsb; | 390 | count_fsb = last_fsb - offset_fsb; |
@@ -479,9 +453,8 @@ xfs_iomap_write_direct( | |||
479 | */ | 453 | */ |
480 | XFS_BMAP_INIT(&free_list, &firstfsb); | 454 | XFS_BMAP_INIT(&free_list, &firstfsb); |
481 | nimaps = 1; | 455 | nimaps = 1; |
482 | imapp = &imap[0]; | ||
483 | error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, | 456 | error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, |
484 | bmapi_flag, &firstfsb, 0, imapp, &nimaps, &free_list); | 457 | bmapi_flag, &firstfsb, 0, &imap, &nimaps, &free_list); |
485 | if (error) | 458 | if (error) |
486 | goto error0; | 459 | goto error0; |
487 | 460 | ||
@@ -503,7 +476,7 @@ xfs_iomap_write_direct( | |||
503 | goto error_out; | 476 | goto error_out; |
504 | } | 477 | } |
505 | 478 | ||
506 | *ret_imap = imap[0]; | 479 | *ret_imap = imap; |
507 | *nmaps = 1; | 480 | *nmaps = 1; |
508 | if ( !(io->io_flags & XFS_IOCORE_RT) && !ret_imap->br_startblock) { | 481 | if ( !(io->io_flags & XFS_IOCORE_RT) && !ret_imap->br_startblock) { |
509 | cmn_err(CE_PANIC,"Access to block zero: fs <%s> inode: %lld " | 482 | cmn_err(CE_PANIC,"Access to block zero: fs <%s> inode: %lld " |