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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 13:06:20 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 13:06:20 -0400
commitf1f8935a5c38a2c61e86a42bc971a2539eef2211 (patch)
tree694950045f2f5d89507d7206cf6595e09cdfbd2c /include/linux
parent34116645d912f65d7eb4508a1db3c9d0e45facb1 (diff)
parentf2a44523b20f323e4aef7c16261d34d6f0a4bf06 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (97 commits) jbd2: Unify log messages in jbd2 code jbd/jbd2: validate sb->s_first in journal_get_superblock() ext4: let ext4_ext_rm_leaf work with EXT_DEBUG defined ext4: fix a syntax error in ext4_ext_insert_extent when debugging enabled ext4: fix a typo in struct ext4_allocation_context ext4: Don't normalize an falloc request if it can fit in 1 extent. ext4: remove comments about extent mount option in ext4_new_inode() ext4: let ext4_discard_partial_buffers handle unaligned range correctly ext4: return ENOMEM if find_or_create_pages fails ext4: move vars to local scope in ext4_discard_partial_page_buffers_no_lock() ext4: Create helper function for EXT4_IO_END_UNWRITTEN and i_aiodio_unwritten ext4: optimize locking for end_io extent conversion ext4: remove unnecessary call to waitqueue_active() ext4: Use correct locking for ext4_end_io_nolock() ext4: fix race in xattr block allocation path ext4: trace punch_hole correctly in ext4_ext_map_blocks ext4: clean up AGGRESSIVE_TEST code ext4: move variables to their scope ext4: fix quota accounting during migration ext4: migrate cleanup ...
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/ext2_fs.h4
-rw-r--r--include/linux/ext3_fs.h4
-rw-r--r--include/linux/fs.h10
-rw-r--r--include/linux/jbd.h64
-rw-r--r--include/linux/jbd2.h69
-rw-r--r--include/linux/jbd_common.h68
6 files changed, 81 insertions, 138 deletions
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index 53792bf36c71..ce1b719e8bd4 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -197,8 +197,8 @@ struct ext2_group_desc
197 197
198/* Flags that should be inherited by new inodes from their parent. */ 198/* Flags that should be inherited by new inodes from their parent. */
199#define EXT2_FL_INHERITED (EXT2_SECRM_FL | EXT2_UNRM_FL | EXT2_COMPR_FL |\ 199#define EXT2_FL_INHERITED (EXT2_SECRM_FL | EXT2_UNRM_FL | EXT2_COMPR_FL |\
200 EXT2_SYNC_FL | EXT2_IMMUTABLE_FL | EXT2_APPEND_FL |\ 200 EXT2_SYNC_FL | EXT2_NODUMP_FL |\
201 EXT2_NODUMP_FL | EXT2_NOATIME_FL | EXT2_COMPRBLK_FL|\ 201 EXT2_NOATIME_FL | EXT2_COMPRBLK_FL |\
202 EXT2_NOCOMP_FL | EXT2_JOURNAL_DATA_FL |\ 202 EXT2_NOCOMP_FL | EXT2_JOURNAL_DATA_FL |\
203 EXT2_NOTAIL_FL | EXT2_DIRSYNC_FL) 203 EXT2_NOTAIL_FL | EXT2_DIRSYNC_FL)
204 204
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index f5fceffd4cfe..dec99116a0e4 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -180,8 +180,8 @@ struct ext3_group_desc
180 180
181/* Flags that should be inherited by new inodes from their parent. */ 181/* Flags that should be inherited by new inodes from their parent. */
182#define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\ 182#define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
183 EXT3_SYNC_FL | EXT3_IMMUTABLE_FL | EXT3_APPEND_FL |\ 183 EXT3_SYNC_FL | EXT3_NODUMP_FL |\
184 EXT3_NODUMP_FL | EXT3_NOATIME_FL | EXT3_COMPRBLK_FL|\ 184 EXT3_NOATIME_FL | EXT3_COMPRBLK_FL |\
185 EXT3_NOCOMPR_FL | EXT3_JOURNAL_DATA_FL |\ 185 EXT3_NOCOMPR_FL | EXT3_JOURNAL_DATA_FL |\
186 EXT3_NOTAIL_FL | EXT3_DIRSYNC_FL) 186 EXT3_NOTAIL_FL | EXT3_DIRSYNC_FL)
187 187
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7a049fd2aa4c..78af9385f415 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -770,12 +770,13 @@ struct inode {
770 unsigned long i_ino; 770 unsigned long i_ino;
771 unsigned int i_nlink; 771 unsigned int i_nlink;
772 dev_t i_rdev; 772 dev_t i_rdev;
773 loff_t i_size;
774 struct timespec i_atime; 773 struct timespec i_atime;
775 struct timespec i_mtime; 774 struct timespec i_mtime;
776 struct timespec i_ctime; 775 struct timespec i_ctime;
777 unsigned int i_blkbits; 776 spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
777 unsigned short i_bytes;
778 blkcnt_t i_blocks; 778 blkcnt_t i_blocks;
779 loff_t i_size;
779 780
780#ifdef __NEED_I_SIZE_ORDERED 781#ifdef __NEED_I_SIZE_ORDERED
781 seqcount_t i_size_seqcount; 782 seqcount_t i_size_seqcount;
@@ -783,7 +784,6 @@ struct inode {
783 784
784 /* Misc */ 785 /* Misc */
785 unsigned long i_state; 786 unsigned long i_state;
786 spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
787 struct mutex i_mutex; 787 struct mutex i_mutex;
788 788
789 unsigned long dirtied_when; /* jiffies of first dirtying */ 789 unsigned long dirtied_when; /* jiffies of first dirtying */
@@ -797,9 +797,10 @@ struct inode {
797 struct rcu_head i_rcu; 797 struct rcu_head i_rcu;
798 }; 798 };
799 atomic_t i_count; 799 atomic_t i_count;
800 unsigned int i_blkbits;
800 u64 i_version; 801 u64 i_version;
801 unsigned short i_bytes;
802 atomic_t i_dio_count; 802 atomic_t i_dio_count;
803 atomic_t i_writecount;
803 const struct file_operations *i_fop; /* former ->i_op->default_file_ops */ 804 const struct file_operations *i_fop; /* former ->i_op->default_file_ops */
804 struct file_lock *i_flock; 805 struct file_lock *i_flock;
805 struct address_space i_data; 806 struct address_space i_data;
@@ -823,7 +824,6 @@ struct inode {
823#ifdef CONFIG_IMA 824#ifdef CONFIG_IMA
824 atomic_t i_readcount; /* struct files open RO */ 825 atomic_t i_readcount; /* struct files open RO */
825#endif 826#endif
826 atomic_t i_writecount;
827 void *i_private; /* fs or device private pointer */ 827 void *i_private; /* fs or device private pointer */
828}; 828};
829 829
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index e6a5e34bed4f..c7acdde3243d 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -244,6 +244,7 @@ typedef struct journal_superblock_s
244 244
245#include <linux/fs.h> 245#include <linux/fs.h>
246#include <linux/sched.h> 246#include <linux/sched.h>
247#include <linux/jbd_common.h>
247 248
248#define J_ASSERT(assert) BUG_ON(!(assert)) 249#define J_ASSERT(assert) BUG_ON(!(assert))
249 250
@@ -270,69 +271,6 @@ typedef struct journal_superblock_s
270#define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why) 271#define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why)
271#endif 272#endif
272 273
273enum jbd_state_bits {
274 BH_JBD /* Has an attached ext3 journal_head */
275 = BH_PrivateStart,
276 BH_JWrite, /* Being written to log (@@@ DEBUGGING) */
277 BH_Freed, /* Has been freed (truncated) */
278 BH_Revoked, /* Has been revoked from the log */
279 BH_RevokeValid, /* Revoked flag is valid */
280 BH_JBDDirty, /* Is dirty but journaled */
281 BH_State, /* Pins most journal_head state */
282 BH_JournalHead, /* Pins bh->b_private and jh->b_bh */
283 BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */
284};
285
286BUFFER_FNS(JBD, jbd)
287BUFFER_FNS(JWrite, jwrite)
288BUFFER_FNS(JBDDirty, jbddirty)
289TAS_BUFFER_FNS(JBDDirty, jbddirty)
290BUFFER_FNS(Revoked, revoked)
291TAS_BUFFER_FNS(Revoked, revoked)
292BUFFER_FNS(RevokeValid, revokevalid)
293TAS_BUFFER_FNS(RevokeValid, revokevalid)
294BUFFER_FNS(Freed, freed)
295
296static inline struct buffer_head *jh2bh(struct journal_head *jh)
297{
298 return jh->b_bh;
299}
300
301static inline struct journal_head *bh2jh(struct buffer_head *bh)
302{
303 return bh->b_private;
304}
305
306static inline void jbd_lock_bh_state(struct buffer_head *bh)
307{
308 bit_spin_lock(BH_State, &bh->b_state);
309}
310
311static inline int jbd_trylock_bh_state(struct buffer_head *bh)
312{
313 return bit_spin_trylock(BH_State, &bh->b_state);
314}
315
316static inline int jbd_is_locked_bh_state(struct buffer_head *bh)
317{
318 return bit_spin_is_locked(BH_State, &bh->b_state);
319}
320
321static inline void jbd_unlock_bh_state(struct buffer_head *bh)
322{
323 bit_spin_unlock(BH_State, &bh->b_state);
324}
325
326static inline void jbd_lock_bh_journal_head(struct buffer_head *bh)
327{
328 bit_spin_lock(BH_JournalHead, &bh->b_state);
329}
330
331static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
332{
333 bit_spin_unlock(BH_JournalHead, &bh->b_state);
334}
335
336struct jbd_revoke_table_s; 274struct jbd_revoke_table_s;
337 275
338/** 276/**
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 38f307b8c334..2092ea21e469 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -275,6 +275,7 @@ typedef struct journal_superblock_s
275 275
276#include <linux/fs.h> 276#include <linux/fs.h>
277#include <linux/sched.h> 277#include <linux/sched.h>
278#include <linux/jbd_common.h>
278 279
279#define J_ASSERT(assert) BUG_ON(!(assert)) 280#define J_ASSERT(assert) BUG_ON(!(assert))
280 281
@@ -302,70 +303,6 @@ typedef struct journal_superblock_s
302#define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why) 303#define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why)
303#endif 304#endif
304 305
305enum jbd_state_bits {
306 BH_JBD /* Has an attached ext3 journal_head */
307 = BH_PrivateStart,
308 BH_JWrite, /* Being written to log (@@@ DEBUGGING) */
309 BH_Freed, /* Has been freed (truncated) */
310 BH_Revoked, /* Has been revoked from the log */
311 BH_RevokeValid, /* Revoked flag is valid */
312 BH_JBDDirty, /* Is dirty but journaled */
313 BH_State, /* Pins most journal_head state */
314 BH_JournalHead, /* Pins bh->b_private and jh->b_bh */
315 BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */
316 BH_JBDPrivateStart, /* First bit available for private use by FS */
317};
318
319BUFFER_FNS(JBD, jbd)
320BUFFER_FNS(JWrite, jwrite)
321BUFFER_FNS(JBDDirty, jbddirty)
322TAS_BUFFER_FNS(JBDDirty, jbddirty)
323BUFFER_FNS(Revoked, revoked)
324TAS_BUFFER_FNS(Revoked, revoked)
325BUFFER_FNS(RevokeValid, revokevalid)
326TAS_BUFFER_FNS(RevokeValid, revokevalid)
327BUFFER_FNS(Freed, freed)
328
329static inline struct buffer_head *jh2bh(struct journal_head *jh)
330{
331 return jh->b_bh;
332}
333
334static inline struct journal_head *bh2jh(struct buffer_head *bh)
335{
336 return bh->b_private;
337}
338
339static inline void jbd_lock_bh_state(struct buffer_head *bh)
340{
341 bit_spin_lock(BH_State, &bh->b_state);
342}
343
344static inline int jbd_trylock_bh_state(struct buffer_head *bh)
345{
346 return bit_spin_trylock(BH_State, &bh->b_state);
347}
348
349static inline int jbd_is_locked_bh_state(struct buffer_head *bh)
350{
351 return bit_spin_is_locked(BH_State, &bh->b_state);
352}
353
354static inline void jbd_unlock_bh_state(struct buffer_head *bh)
355{
356 bit_spin_unlock(BH_State, &bh->b_state);
357}
358
359static inline void jbd_lock_bh_journal_head(struct buffer_head *bh)
360{
361 bit_spin_lock(BH_JournalHead, &bh->b_state);
362}
363
364static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
365{
366 bit_spin_unlock(BH_JournalHead, &bh->b_state);
367}
368
369/* Flags in jbd_inode->i_flags */ 306/* Flags in jbd_inode->i_flags */
370#define __JI_COMMIT_RUNNING 0 307#define __JI_COMMIT_RUNNING 0
371/* Commit of the inode data in progress. We use this flag to protect us from 308/* Commit of the inode data in progress. We use this flag to protect us from
@@ -1106,9 +1043,9 @@ static inline handle_t *journal_current_handle(void)
1106 */ 1043 */
1107 1044
1108extern handle_t *jbd2_journal_start(journal_t *, int nblocks); 1045extern handle_t *jbd2_journal_start(journal_t *, int nblocks);
1109extern handle_t *jbd2__journal_start(journal_t *, int nblocks, int gfp_mask); 1046extern handle_t *jbd2__journal_start(journal_t *, int nblocks, gfp_t gfp_mask);
1110extern int jbd2_journal_restart(handle_t *, int nblocks); 1047extern int jbd2_journal_restart(handle_t *, int nblocks);
1111extern int jbd2__journal_restart(handle_t *, int nblocks, int gfp_mask); 1048extern int jbd2__journal_restart(handle_t *, int nblocks, gfp_t gfp_mask);
1112extern int jbd2_journal_extend (handle_t *, int nblocks); 1049extern int jbd2_journal_extend (handle_t *, int nblocks);
1113extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); 1050extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *);
1114extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); 1051extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *);
diff --git a/include/linux/jbd_common.h b/include/linux/jbd_common.h
new file mode 100644
index 000000000000..6230f8556a4e
--- /dev/null
+++ b/include/linux/jbd_common.h
@@ -0,0 +1,68 @@
1#ifndef _LINUX_JBD_STATE_H
2#define _LINUX_JBD_STATE_H
3
4enum jbd_state_bits {
5 BH_JBD /* Has an attached ext3 journal_head */
6 = BH_PrivateStart,
7 BH_JWrite, /* Being written to log (@@@ DEBUGGING) */
8 BH_Freed, /* Has been freed (truncated) */
9 BH_Revoked, /* Has been revoked from the log */
10 BH_RevokeValid, /* Revoked flag is valid */
11 BH_JBDDirty, /* Is dirty but journaled */
12 BH_State, /* Pins most journal_head state */
13 BH_JournalHead, /* Pins bh->b_private and jh->b_bh */
14 BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */
15 BH_JBDPrivateStart, /* First bit available for private use by FS */
16};
17
18BUFFER_FNS(JBD, jbd)
19BUFFER_FNS(JWrite, jwrite)
20BUFFER_FNS(JBDDirty, jbddirty)
21TAS_BUFFER_FNS(JBDDirty, jbddirty)
22BUFFER_FNS(Revoked, revoked)
23TAS_BUFFER_FNS(Revoked, revoked)
24BUFFER_FNS(RevokeValid, revokevalid)
25TAS_BUFFER_FNS(RevokeValid, revokevalid)
26BUFFER_FNS(Freed, freed)
27
28static inline struct buffer_head *jh2bh(struct journal_head *jh)
29{
30 return jh->b_bh;
31}
32
33static inline struct journal_head *bh2jh(struct buffer_head *bh)
34{
35 return bh->b_private;
36}
37
38static inline void jbd_lock_bh_state(struct buffer_head *bh)
39{
40 bit_spin_lock(BH_State, &bh->b_state);
41}
42
43static inline int jbd_trylock_bh_state(struct buffer_head *bh)
44{
45 return bit_spin_trylock(BH_State, &bh->b_state);
46}
47
48static inline int jbd_is_locked_bh_state(struct buffer_head *bh)
49{
50 return bit_spin_is_locked(BH_State, &bh->b_state);
51}
52
53static inline void jbd_unlock_bh_state(struct buffer_head *bh)
54{
55 bit_spin_unlock(BH_State, &bh->b_state);
56}
57
58static inline void jbd_lock_bh_journal_head(struct buffer_head *bh)
59{
60 bit_spin_lock(BH_JournalHead, &bh->b_state);
61}
62
63static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
64{
65 bit_spin_unlock(BH_JournalHead, &bh->b_state);
66}
67
68#endif