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-rw-r--r--fs/ext4/balloc.c4
-rw-r--r--fs/ext4/ext4_jbd2.c83
-rw-r--r--fs/ext4/ext4_jbd2.h83
-rw-r--r--fs/ext4/extents.c12
-rw-r--r--fs/ext4/ialloc.c25
-rw-r--r--fs/ext4/inode.c130
-rw-r--r--fs/ext4/ioctl.c2
-rw-r--r--fs/ext4/mballoc.c17
-rw-r--r--fs/ext4/migrate.c5
-rw-r--r--fs/ext4/namei.c56
-rw-r--r--fs/ext4/resize.c31
-rw-r--r--fs/ext4/super.c207
-rw-r--r--fs/ext4/xattr.c21
13 files changed, 452 insertions, 224 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 35f5f9a27722..31ebeb5e7b07 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -531,11 +531,11 @@ do_more:
531 531
532 /* We dirtied the bitmap block */ 532 /* We dirtied the bitmap block */
533 BUFFER_TRACE(bitmap_bh, "dirtied bitmap block"); 533 BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");
534 err = ext4_journal_dirty_metadata(handle, bitmap_bh); 534 err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
535 535
536 /* And the group descriptor block */ 536 /* And the group descriptor block */
537 BUFFER_TRACE(gd_bh, "dirtied group descriptor block"); 537 BUFFER_TRACE(gd_bh, "dirtied group descriptor block");
538 ret = ext4_journal_dirty_metadata(handle, gd_bh); 538 ret = ext4_handle_dirty_metadata(handle, NULL, gd_bh);
539 if (!err) err = ret; 539 if (!err) err = ret;
540 *pdquot_freed_blocks += group_freed; 540 *pdquot_freed_blocks += group_freed;
541 541
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index c75384b34f2c..ad13a84644e1 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -7,53 +7,96 @@
7int __ext4_journal_get_undo_access(const char *where, handle_t *handle, 7int __ext4_journal_get_undo_access(const char *where, handle_t *handle,
8 struct buffer_head *bh) 8 struct buffer_head *bh)
9{ 9{
10 int err = jbd2_journal_get_undo_access(handle, bh); 10 int err = 0;
11 if (err) 11
12 ext4_journal_abort_handle(where, __func__, bh, handle, err); 12 if (ext4_handle_valid(handle)) {
13 err = jbd2_journal_get_undo_access(handle, bh);
14 if (err)
15 ext4_journal_abort_handle(where, __func__, bh,
16 handle, err);
17 }
13 return err; 18 return err;
14} 19}
15 20
16int __ext4_journal_get_write_access(const char *where, handle_t *handle, 21int __ext4_journal_get_write_access(const char *where, handle_t *handle,
17 struct buffer_head *bh) 22 struct buffer_head *bh)
18{ 23{
19 int err = jbd2_journal_get_write_access(handle, bh); 24 int err = 0;
20 if (err) 25
21 ext4_journal_abort_handle(where, __func__, bh, handle, err); 26 if (ext4_handle_valid(handle)) {
27 err = jbd2_journal_get_write_access(handle, bh);
28 if (err)
29 ext4_journal_abort_handle(where, __func__, bh,
30 handle, err);
31 }
22 return err; 32 return err;
23} 33}
24 34
25int __ext4_journal_forget(const char *where, handle_t *handle, 35int __ext4_journal_forget(const char *where, handle_t *handle,
26 struct buffer_head *bh) 36 struct buffer_head *bh)
27{ 37{
28 int err = jbd2_journal_forget(handle, bh); 38 int err = 0;
29 if (err) 39
30 ext4_journal_abort_handle(where, __func__, bh, handle, err); 40 if (ext4_handle_valid(handle)) {
41 err = jbd2_journal_forget(handle, bh);
42 if (err)
43 ext4_journal_abort_handle(where, __func__, bh,
44 handle, err);
45 }
31 return err; 46 return err;
32} 47}
33 48
34int __ext4_journal_revoke(const char *where, handle_t *handle, 49int __ext4_journal_revoke(const char *where, handle_t *handle,
35 ext4_fsblk_t blocknr, struct buffer_head *bh) 50 ext4_fsblk_t blocknr, struct buffer_head *bh)
36{ 51{
37 int err = jbd2_journal_revoke(handle, blocknr, bh); 52 int err = 0;
38 if (err) 53
39 ext4_journal_abort_handle(where, __func__, bh, handle, err); 54 if (ext4_handle_valid(handle)) {
55 err = jbd2_journal_revoke(handle, blocknr, bh);
56 if (err)
57 ext4_journal_abort_handle(where, __func__, bh,
58 handle, err);
59 }
40 return err; 60 return err;
41} 61}
42 62
43int __ext4_journal_get_create_access(const char *where, 63int __ext4_journal_get_create_access(const char *where,
44 handle_t *handle, struct buffer_head *bh) 64 handle_t *handle, struct buffer_head *bh)
45{ 65{
46 int err = jbd2_journal_get_create_access(handle, bh); 66 int err = 0;
47 if (err) 67
48 ext4_journal_abort_handle(where, __func__, bh, handle, err); 68 if (ext4_handle_valid(handle)) {
69 err = jbd2_journal_get_create_access(handle, bh);
70 if (err)
71 ext4_journal_abort_handle(where, __func__, bh,
72 handle, err);
73 }
49 return err; 74 return err;
50} 75}
51 76
52int __ext4_journal_dirty_metadata(const char *where, 77int __ext4_handle_dirty_metadata(const char *where, handle_t *handle,
53 handle_t *handle, struct buffer_head *bh) 78 struct inode *inode, struct buffer_head *bh)
54{ 79{
55 int err = jbd2_journal_dirty_metadata(handle, bh); 80 int err = 0;
56 if (err) 81
57 ext4_journal_abort_handle(where, __func__, bh, handle, err); 82 if (ext4_handle_valid(handle)) {
83 err = jbd2_journal_dirty_metadata(handle, bh);
84 if (err)
85 ext4_journal_abort_handle(where, __func__, bh,
86 handle, err);
87 } else {
88 mark_buffer_dirty(bh);
89 if (inode && inode_needs_sync(inode)) {
90 sync_dirty_buffer(bh);
91 if (buffer_req(bh) && !buffer_uptodate(bh)) {
92 ext4_error(inode->i_sb, __func__,
93 "IO error syncing inode, "
94 "inode=%lu, block=%llu",
95 inode->i_ino,
96 (unsigned long long) bh->b_blocknr);
97 err = -EIO;
98 }
99 }
100 }
58 return err; 101 return err;
59} 102}
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index b455c685a98b..663197adae56 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -122,12 +122,6 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode);
122 * been done yet. 122 * been done yet.
123 */ 123 */
124 124
125static inline void ext4_journal_release_buffer(handle_t *handle,
126 struct buffer_head *bh)
127{
128 jbd2_journal_release_buffer(handle, bh);
129}
130
131void ext4_journal_abort_handle(const char *caller, const char *err_fn, 125void ext4_journal_abort_handle(const char *caller, const char *err_fn,
132 struct buffer_head *bh, handle_t *handle, int err); 126 struct buffer_head *bh, handle_t *handle, int err);
133 127
@@ -146,8 +140,8 @@ int __ext4_journal_revoke(const char *where, handle_t *handle,
146int __ext4_journal_get_create_access(const char *where, 140int __ext4_journal_get_create_access(const char *where,
147 handle_t *handle, struct buffer_head *bh); 141 handle_t *handle, struct buffer_head *bh);
148 142
149int __ext4_journal_dirty_metadata(const char *where, 143int __ext4_handle_dirty_metadata(const char *where, handle_t *handle,
150 handle_t *handle, struct buffer_head *bh); 144 struct inode *inode, struct buffer_head *bh);
151 145
152#define ext4_journal_get_undo_access(handle, bh) \ 146#define ext4_journal_get_undo_access(handle, bh) \
153 __ext4_journal_get_undo_access(__func__, (handle), (bh)) 147 __ext4_journal_get_undo_access(__func__, (handle), (bh))
@@ -157,14 +151,57 @@ int __ext4_journal_dirty_metadata(const char *where,
157 __ext4_journal_revoke(__func__, (handle), (blocknr), (bh)) 151 __ext4_journal_revoke(__func__, (handle), (blocknr), (bh))
158#define ext4_journal_get_create_access(handle, bh) \ 152#define ext4_journal_get_create_access(handle, bh) \
159 __ext4_journal_get_create_access(__func__, (handle), (bh)) 153 __ext4_journal_get_create_access(__func__, (handle), (bh))
160#define ext4_journal_dirty_metadata(handle, bh) \
161 __ext4_journal_dirty_metadata(__func__, (handle), (bh))
162#define ext4_journal_forget(handle, bh) \ 154#define ext4_journal_forget(handle, bh) \
163 __ext4_journal_forget(__func__, (handle), (bh)) 155 __ext4_journal_forget(__func__, (handle), (bh))
156#define ext4_handle_dirty_metadata(handle, inode, bh) \
157 __ext4_handle_dirty_metadata(__func__, (handle), (inode), (bh))
164 158
165handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks); 159handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks);
166int __ext4_journal_stop(const char *where, handle_t *handle); 160int __ext4_journal_stop(const char *where, handle_t *handle);
167 161
162#define EXT4_NOJOURNAL_HANDLE ((handle_t *) 0x1)
163
164static inline int ext4_handle_valid(handle_t *handle)
165{
166 if (handle == EXT4_NOJOURNAL_HANDLE)
167 return 0;
168 return 1;
169}
170
171static inline void ext4_handle_sync(handle_t *handle)
172{
173 if (ext4_handle_valid(handle))
174 handle->h_sync = 1;
175}
176
177static inline void ext4_handle_release_buffer(handle_t *handle,
178 struct buffer_head *bh)
179{
180 if (ext4_handle_valid(handle))
181 jbd2_journal_release_buffer(handle, bh);
182}
183
184static inline int ext4_handle_is_aborted(handle_t *handle)
185{
186 if (ext4_handle_valid(handle))
187 return is_handle_aborted(handle);
188 return 0;
189}
190
191static inline int ext4_handle_has_enough_credits(handle_t *handle, int needed)
192{
193 if (ext4_handle_valid(handle) && handle->h_buffer_credits < needed)
194 return 0;
195 return 1;
196}
197
198static inline void ext4_journal_release_buffer(handle_t *handle,
199 struct buffer_head *bh)
200{
201 if (ext4_handle_valid(handle))
202 jbd2_journal_release_buffer(handle, bh);
203}
204
168static inline handle_t *ext4_journal_start(struct inode *inode, int nblocks) 205static inline handle_t *ext4_journal_start(struct inode *inode, int nblocks)
169{ 206{
170 return ext4_journal_start_sb(inode->i_sb, nblocks); 207 return ext4_journal_start_sb(inode->i_sb, nblocks);
@@ -180,27 +217,37 @@ static inline handle_t *ext4_journal_current_handle(void)
180 217
181static inline int ext4_journal_extend(handle_t *handle, int nblocks) 218static inline int ext4_journal_extend(handle_t *handle, int nblocks)
182{ 219{
183 return jbd2_journal_extend(handle, nblocks); 220 if (ext4_handle_valid(handle))
221 return jbd2_journal_extend(handle, nblocks);
222 return 0;
184} 223}
185 224
186static inline int ext4_journal_restart(handle_t *handle, int nblocks) 225static inline int ext4_journal_restart(handle_t *handle, int nblocks)
187{ 226{
188 return jbd2_journal_restart(handle, nblocks); 227 if (ext4_handle_valid(handle))
228 return jbd2_journal_restart(handle, nblocks);
229 return 0;
189} 230}
190 231
191static inline int ext4_journal_blocks_per_page(struct inode *inode) 232static inline int ext4_journal_blocks_per_page(struct inode *inode)
192{ 233{
193 return jbd2_journal_blocks_per_page(inode); 234 if (EXT4_JOURNAL(inode) != NULL)
235 return jbd2_journal_blocks_per_page(inode);
236 return 0;
194} 237}
195 238
196static inline int ext4_journal_force_commit(journal_t *journal) 239static inline int ext4_journal_force_commit(journal_t *journal)
197{ 240{
198 return jbd2_journal_force_commit(journal); 241 if (journal)
242 return jbd2_journal_force_commit(journal);
243 return 0;
199} 244}
200 245
201static inline int ext4_jbd2_file_inode(handle_t *handle, struct inode *inode) 246static inline int ext4_jbd2_file_inode(handle_t *handle, struct inode *inode)
202{ 247{
203 return jbd2_journal_file_inode(handle, &EXT4_I(inode)->jinode); 248 if (ext4_handle_valid(handle))
249 return jbd2_journal_file_inode(handle, &EXT4_I(inode)->jinode);
250 return 0;
204} 251}
205 252
206/* super.c */ 253/* super.c */
@@ -208,6 +255,8 @@ int ext4_force_commit(struct super_block *sb);
208 255
209static inline int ext4_should_journal_data(struct inode *inode) 256static inline int ext4_should_journal_data(struct inode *inode)
210{ 257{
258 if (EXT4_JOURNAL(inode) == NULL)
259 return 0;
211 if (!S_ISREG(inode->i_mode)) 260 if (!S_ISREG(inode->i_mode))
212 return 1; 261 return 1;
213 if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) 262 if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
@@ -219,6 +268,8 @@ static inline int ext4_should_journal_data(struct inode *inode)
219 268
220static inline int ext4_should_order_data(struct inode *inode) 269static inline int ext4_should_order_data(struct inode *inode)
221{ 270{
271 if (EXT4_JOURNAL(inode) == NULL)
272 return 0;
222 if (!S_ISREG(inode->i_mode)) 273 if (!S_ISREG(inode->i_mode))
223 return 0; 274 return 0;
224 if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL) 275 if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
@@ -230,6 +281,8 @@ static inline int ext4_should_order_data(struct inode *inode)
230 281
231static inline int ext4_should_writeback_data(struct inode *inode) 282static inline int ext4_should_writeback_data(struct inode *inode)
232{ 283{
284 if (EXT4_JOURNAL(inode) == NULL)
285 return 0;
233 if (!S_ISREG(inode->i_mode)) 286 if (!S_ISREG(inode->i_mode))
234 return 0; 287 return 0;
235 if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL) 288 if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 0917be51f102..743e3feb3e50 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -97,6 +97,8 @@ static int ext4_ext_journal_restart(handle_t *handle, int needed)
97{ 97{
98 int err; 98 int err;
99 99
100 if (!ext4_handle_valid(handle))
101 return 0;
100 if (handle->h_buffer_credits > needed) 102 if (handle->h_buffer_credits > needed)
101 return 0; 103 return 0;
102 err = ext4_journal_extend(handle, needed); 104 err = ext4_journal_extend(handle, needed);
@@ -134,7 +136,7 @@ static int ext4_ext_dirty(handle_t *handle, struct inode *inode,
134 int err; 136 int err;
135 if (path->p_bh) { 137 if (path->p_bh) {
136 /* path points to block */ 138 /* path points to block */
137 err = ext4_journal_dirty_metadata(handle, path->p_bh); 139 err = ext4_handle_dirty_metadata(handle, inode, path->p_bh);
138 } else { 140 } else {
139 /* path points to leaf/index in inode body */ 141 /* path points to leaf/index in inode body */
140 err = ext4_mark_inode_dirty(handle, inode); 142 err = ext4_mark_inode_dirty(handle, inode);
@@ -780,7 +782,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
780 set_buffer_uptodate(bh); 782 set_buffer_uptodate(bh);
781 unlock_buffer(bh); 783 unlock_buffer(bh);
782 784
783 err = ext4_journal_dirty_metadata(handle, bh); 785 err = ext4_handle_dirty_metadata(handle, inode, bh);
784 if (err) 786 if (err)
785 goto cleanup; 787 goto cleanup;
786 brelse(bh); 788 brelse(bh);
@@ -859,7 +861,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
859 set_buffer_uptodate(bh); 861 set_buffer_uptodate(bh);
860 unlock_buffer(bh); 862 unlock_buffer(bh);
861 863
862 err = ext4_journal_dirty_metadata(handle, bh); 864 err = ext4_handle_dirty_metadata(handle, inode, bh);
863 if (err) 865 if (err)
864 goto cleanup; 866 goto cleanup;
865 brelse(bh); 867 brelse(bh);
@@ -955,7 +957,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
955 set_buffer_uptodate(bh); 957 set_buffer_uptodate(bh);
956 unlock_buffer(bh); 958 unlock_buffer(bh);
957 959
958 err = ext4_journal_dirty_metadata(handle, bh); 960 err = ext4_handle_dirty_metadata(handle, inode, bh);
959 if (err) 961 if (err)
960 goto out; 962 goto out;
961 963
@@ -2947,7 +2949,7 @@ void ext4_ext_truncate(struct inode *inode)
2947 * transaction synchronous. 2949 * transaction synchronous.
2948 */ 2950 */
2949 if (IS_SYNC(inode)) 2951 if (IS_SYNC(inode))
2950 handle->h_sync = 1; 2952 ext4_handle_sync(handle);
2951 2953
2952out_stop: 2954out_stop:
2953 up_write(&EXT4_I(inode)->i_data_sem); 2955 up_write(&EXT4_I(inode)->i_data_sem);
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 6e6052879aa2..9dd21b75f4bc 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -253,12 +253,12 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
253 spin_unlock(sb_bgl_lock(sbi, flex_group)); 253 spin_unlock(sb_bgl_lock(sbi, flex_group));
254 } 254 }
255 } 255 }
256 BUFFER_TRACE(bh2, "call ext4_journal_dirty_metadata"); 256 BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
257 err = ext4_journal_dirty_metadata(handle, bh2); 257 err = ext4_handle_dirty_metadata(handle, NULL, bh2);
258 if (!fatal) fatal = err; 258 if (!fatal) fatal = err;
259 } 259 }
260 BUFFER_TRACE(bitmap_bh, "call ext4_journal_dirty_metadata"); 260 BUFFER_TRACE(bitmap_bh, "call ext4_handle_dirty_metadata");
261 err = ext4_journal_dirty_metadata(handle, bitmap_bh); 261 err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
262 if (!fatal) 262 if (!fatal)
263 fatal = err; 263 fatal = err;
264 sb->s_dirt = 1; 264 sb->s_dirt = 1;
@@ -656,15 +656,16 @@ repeat_in_this_group:
656 ino, bitmap_bh->b_data)) { 656 ino, bitmap_bh->b_data)) {
657 /* we won it */ 657 /* we won it */
658 BUFFER_TRACE(bitmap_bh, 658 BUFFER_TRACE(bitmap_bh,
659 "call ext4_journal_dirty_metadata"); 659 "call ext4_handle_dirty_metadata");
660 err = ext4_journal_dirty_metadata(handle, 660 err = ext4_handle_dirty_metadata(handle,
661 inode,
661 bitmap_bh); 662 bitmap_bh);
662 if (err) 663 if (err)
663 goto fail; 664 goto fail;
664 goto got; 665 goto got;
665 } 666 }
666 /* we lost it */ 667 /* we lost it */
667 jbd2_journal_release_buffer(handle, bitmap_bh); 668 ext4_handle_release_buffer(handle, bitmap_bh);
668 669
669 if (++ino < EXT4_INODES_PER_GROUP(sb)) 670 if (++ino < EXT4_INODES_PER_GROUP(sb))
670 goto repeat_in_this_group; 671 goto repeat_in_this_group;
@@ -726,7 +727,8 @@ got:
726 /* Don't need to dirty bitmap block if we didn't change it */ 727 /* Don't need to dirty bitmap block if we didn't change it */
727 if (free) { 728 if (free) {
728 BUFFER_TRACE(block_bh, "dirty block bitmap"); 729 BUFFER_TRACE(block_bh, "dirty block bitmap");
729 err = ext4_journal_dirty_metadata(handle, block_bh); 730 err = ext4_handle_dirty_metadata(handle,
731 NULL, block_bh);
730 } 732 }
731 733
732 brelse(block_bh); 734 brelse(block_bh);
@@ -771,8 +773,8 @@ got:
771 } 773 }
772 gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp); 774 gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp);
773 spin_unlock(sb_bgl_lock(sbi, group)); 775 spin_unlock(sb_bgl_lock(sbi, group));
774 BUFFER_TRACE(bh2, "call ext4_journal_dirty_metadata"); 776 BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
775 err = ext4_journal_dirty_metadata(handle, bh2); 777 err = ext4_handle_dirty_metadata(handle, NULL, bh2);
776 if (err) goto fail; 778 if (err) goto fail;
777 779
778 percpu_counter_dec(&sbi->s_freeinodes_counter); 780 percpu_counter_dec(&sbi->s_freeinodes_counter);
@@ -825,7 +827,7 @@ got:
825 827
826 ext4_set_inode_flags(inode); 828 ext4_set_inode_flags(inode);
827 if (IS_DIRSYNC(inode)) 829 if (IS_DIRSYNC(inode))
828 handle->h_sync = 1; 830 ext4_handle_sync(handle);
829 if (insert_inode_locked(inode) < 0) { 831 if (insert_inode_locked(inode) < 0) {
830 err = -EINVAL; 832 err = -EINVAL;
831 goto fail_drop; 833 goto fail_drop;
@@ -1028,4 +1030,3 @@ unsigned long ext4_count_dirs(struct super_block * sb)
1028 } 1030 }
1029 return count; 1031 return count;
1030} 1032}
1031
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c77a7ac753f3..45d0f70a1f04 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -72,12 +72,17 @@ static int ext4_inode_is_fast_symlink(struct inode *inode)
72 * "bh" may be NULL: a metadata block may have been freed from memory 72 * "bh" may be NULL: a metadata block may have been freed from memory
73 * but there may still be a record of it in the journal, and that record 73 * but there may still be a record of it in the journal, and that record
74 * still needs to be revoked. 74 * still needs to be revoked.
75 *
76 * If the handle isn't valid we're not journaling so there's nothing to do.
75 */ 77 */
76int ext4_forget(handle_t *handle, int is_metadata, struct inode *inode, 78int ext4_forget(handle_t *handle, int is_metadata, struct inode *inode,
77 struct buffer_head *bh, ext4_fsblk_t blocknr) 79 struct buffer_head *bh, ext4_fsblk_t blocknr)
78{ 80{
79 int err; 81 int err;
80 82
83 if (!ext4_handle_valid(handle))
84 return 0;
85
81 might_sleep(); 86 might_sleep();
82 87
83 BUFFER_TRACE(bh, "enter"); 88 BUFFER_TRACE(bh, "enter");
@@ -170,7 +175,9 @@ static handle_t *start_transaction(struct inode *inode)
170 */ 175 */
171static int try_to_extend_transaction(handle_t *handle, struct inode *inode) 176static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
172{ 177{
173 if (handle->h_buffer_credits > EXT4_RESERVE_TRANS_BLOCKS) 178 if (!ext4_handle_valid(handle))
179 return 0;
180 if (ext4_handle_has_enough_credits(handle, EXT4_RESERVE_TRANS_BLOCKS+1))
174 return 0; 181 return 0;
175 if (!ext4_journal_extend(handle, blocks_for_truncate(inode))) 182 if (!ext4_journal_extend(handle, blocks_for_truncate(inode)))
176 return 0; 183 return 0;
@@ -184,6 +191,7 @@ static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
184 */ 191 */
185static int ext4_journal_test_restart(handle_t *handle, struct inode *inode) 192static int ext4_journal_test_restart(handle_t *handle, struct inode *inode)
186{ 193{
194 BUG_ON(EXT4_JOURNAL(inode) == NULL);
187 jbd_debug(2, "restarting handle %p\n", handle); 195 jbd_debug(2, "restarting handle %p\n", handle);
188 return ext4_journal_restart(handle, blocks_for_truncate(inode)); 196 return ext4_journal_restart(handle, blocks_for_truncate(inode));
189} 197}
@@ -216,7 +224,7 @@ void ext4_delete_inode(struct inode *inode)
216 } 224 }
217 225
218 if (IS_SYNC(inode)) 226 if (IS_SYNC(inode))
219 handle->h_sync = 1; 227 ext4_handle_sync(handle);
220 inode->i_size = 0; 228 inode->i_size = 0;
221 err = ext4_mark_inode_dirty(handle, inode); 229 err = ext4_mark_inode_dirty(handle, inode);
222 if (err) { 230 if (err) {
@@ -233,7 +241,7 @@ void ext4_delete_inode(struct inode *inode)
233 * enough credits left in the handle to remove the inode from 241 * enough credits left in the handle to remove the inode from
234 * the orphan list and set the dtime field. 242 * the orphan list and set the dtime field.
235 */ 243 */
236 if (handle->h_buffer_credits < 3) { 244 if (!ext4_handle_has_enough_credits(handle, 3)) {
237 err = ext4_journal_extend(handle, 3); 245 err = ext4_journal_extend(handle, 3);
238 if (err > 0) 246 if (err > 0)
239 err = ext4_journal_restart(handle, 3); 247 err = ext4_journal_restart(handle, 3);
@@ -717,8 +725,8 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
717 set_buffer_uptodate(bh); 725 set_buffer_uptodate(bh);
718 unlock_buffer(bh); 726 unlock_buffer(bh);
719 727
720 BUFFER_TRACE(bh, "call ext4_journal_dirty_metadata"); 728 BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
721 err = ext4_journal_dirty_metadata(handle, bh); 729 err = ext4_handle_dirty_metadata(handle, inode, bh);
722 if (err) 730 if (err)
723 goto failed; 731 goto failed;
724 } 732 }
@@ -800,8 +808,8 @@ static int ext4_splice_branch(handle_t *handle, struct inode *inode,
800 * generic_commit_write->__mark_inode_dirty->ext4_dirty_inode. 808 * generic_commit_write->__mark_inode_dirty->ext4_dirty_inode.
801 */ 809 */
802 jbd_debug(5, "splicing indirect only\n"); 810 jbd_debug(5, "splicing indirect only\n");
803 BUFFER_TRACE(where->bh, "call ext4_journal_dirty_metadata"); 811 BUFFER_TRACE(where->bh, "call ext4_handle_dirty_metadata");
804 err = ext4_journal_dirty_metadata(handle, where->bh); 812 err = ext4_handle_dirty_metadata(handle, inode, where->bh);
805 if (err) 813 if (err)
806 goto err_out; 814 goto err_out;
807 } else { 815 } else {
@@ -1229,8 +1237,8 @@ struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode,
1229 set_buffer_uptodate(bh); 1237 set_buffer_uptodate(bh);
1230 } 1238 }
1231 unlock_buffer(bh); 1239 unlock_buffer(bh);
1232 BUFFER_TRACE(bh, "call ext4_journal_dirty_metadata"); 1240 BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
1233 err = ext4_journal_dirty_metadata(handle, bh); 1241 err = ext4_handle_dirty_metadata(handle, inode, bh);
1234 if (!fatal) 1242 if (!fatal)
1235 fatal = err; 1243 fatal = err;
1236 } else { 1244 } else {
@@ -1395,7 +1403,7 @@ static int write_end_fn(handle_t *handle, struct buffer_head *bh)
1395 if (!buffer_mapped(bh) || buffer_freed(bh)) 1403 if (!buffer_mapped(bh) || buffer_freed(bh))
1396 return 0; 1404 return 0;
1397 set_buffer_uptodate(bh); 1405 set_buffer_uptodate(bh);
1398 return ext4_journal_dirty_metadata(handle, bh); 1406 return ext4_handle_dirty_metadata(handle, NULL, bh);
1399} 1407}
1400 1408
1401/* 1409/*
@@ -2762,7 +2770,10 @@ static sector_t ext4_bmap(struct address_space *mapping, sector_t block)
2762 filemap_write_and_wait(mapping); 2770 filemap_write_and_wait(mapping);
2763 } 2771 }
2764 2772
2765 if (EXT4_I(inode)->i_state & EXT4_STATE_JDATA) { 2773 BUG_ON(!EXT4_JOURNAL(inode) &&
2774 EXT4_I(inode)->i_state & EXT4_STATE_JDATA);
2775
2776 if (EXT4_JOURNAL(inode) && EXT4_I(inode)->i_state & EXT4_STATE_JDATA) {
2766 /* 2777 /*
2767 * This is a REALLY heavyweight approach, but the use of 2778 * This is a REALLY heavyweight approach, but the use of
2768 * bmap on dirty files is expected to be extremely rare: 2779 * bmap on dirty files is expected to be extremely rare:
@@ -3033,7 +3044,10 @@ static void ext4_invalidatepage(struct page *page, unsigned long offset)
3033 if (offset == 0) 3044 if (offset == 0)
3034 ClearPageChecked(page); 3045 ClearPageChecked(page);
3035 3046
3036 jbd2_journal_invalidatepage(journal, page, offset); 3047 if (journal)
3048 jbd2_journal_invalidatepage(journal, page, offset);
3049 else
3050 block_invalidatepage(page, offset);
3037} 3051}
3038 3052
3039static int ext4_releasepage(struct page *page, gfp_t wait) 3053static int ext4_releasepage(struct page *page, gfp_t wait)
@@ -3043,7 +3057,10 @@ static int ext4_releasepage(struct page *page, gfp_t wait)
3043 WARN_ON(PageChecked(page)); 3057 WARN_ON(PageChecked(page));
3044 if (!page_has_buffers(page)) 3058 if (!page_has_buffers(page))
3045 return 0; 3059 return 0;
3046 return jbd2_journal_try_to_free_buffers(journal, page, wait); 3060 if (journal)
3061 return jbd2_journal_try_to_free_buffers(journal, page, wait);
3062 else
3063 return try_to_free_buffers(page);
3047} 3064}
3048 3065
3049/* 3066/*
@@ -3315,7 +3332,7 @@ int ext4_block_truncate_page(handle_t *handle,
3315 3332
3316 err = 0; 3333 err = 0;
3317 if (ext4_should_journal_data(inode)) { 3334 if (ext4_should_journal_data(inode)) {
3318 err = ext4_journal_dirty_metadata(handle, bh); 3335 err = ext4_handle_dirty_metadata(handle, inode, bh);
3319 } else { 3336 } else {
3320 if (ext4_should_order_data(inode)) 3337 if (ext4_should_order_data(inode))
3321 err = ext4_jbd2_file_inode(handle, inode); 3338 err = ext4_jbd2_file_inode(handle, inode);
@@ -3439,8 +3456,8 @@ static void ext4_clear_blocks(handle_t *handle, struct inode *inode,
3439 __le32 *p; 3456 __le32 *p;
3440 if (try_to_extend_transaction(handle, inode)) { 3457 if (try_to_extend_transaction(handle, inode)) {
3441 if (bh) { 3458 if (bh) {
3442 BUFFER_TRACE(bh, "call ext4_journal_dirty_metadata"); 3459 BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
3443 ext4_journal_dirty_metadata(handle, bh); 3460 ext4_handle_dirty_metadata(handle, inode, bh);
3444 } 3461 }
3445 ext4_mark_inode_dirty(handle, inode); 3462 ext4_mark_inode_dirty(handle, inode);
3446 ext4_journal_test_restart(handle, inode); 3463 ext4_journal_test_restart(handle, inode);
@@ -3540,7 +3557,7 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
3540 count, block_to_free_p, p); 3557 count, block_to_free_p, p);
3541 3558
3542 if (this_bh) { 3559 if (this_bh) {
3543 BUFFER_TRACE(this_bh, "call ext4_journal_dirty_metadata"); 3560 BUFFER_TRACE(this_bh, "call ext4_handle_dirty_metadata");
3544 3561
3545 /* 3562 /*
3546 * The buffer head should have an attached journal head at this 3563 * The buffer head should have an attached journal head at this
@@ -3549,7 +3566,7 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
3549 * the block was cleared. Check for this instead of OOPSing. 3566 * the block was cleared. Check for this instead of OOPSing.
3550 */ 3567 */
3551 if (bh2jh(this_bh)) 3568 if (bh2jh(this_bh))
3552 ext4_journal_dirty_metadata(handle, this_bh); 3569 ext4_handle_dirty_metadata(handle, inode, this_bh);
3553 else 3570 else
3554 ext4_error(inode->i_sb, __func__, 3571 ext4_error(inode->i_sb, __func__,
3555 "circular indirect block detected, " 3572 "circular indirect block detected, "
@@ -3579,7 +3596,7 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
3579 ext4_fsblk_t nr; 3596 ext4_fsblk_t nr;
3580 __le32 *p; 3597 __le32 *p;
3581 3598
3582 if (is_handle_aborted(handle)) 3599 if (ext4_handle_is_aborted(handle))
3583 return; 3600 return;
3584 3601
3585 if (depth--) { 3602 if (depth--) {
@@ -3649,7 +3666,7 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
3649 * will merely complain about releasing a free block, 3666 * will merely complain about releasing a free block,
3650 * rather than leaking blocks. 3667 * rather than leaking blocks.
3651 */ 3668 */
3652 if (is_handle_aborted(handle)) 3669 if (ext4_handle_is_aborted(handle))
3653 return; 3670 return;
3654 if (try_to_extend_transaction(handle, inode)) { 3671 if (try_to_extend_transaction(handle, inode)) {
3655 ext4_mark_inode_dirty(handle, inode); 3672 ext4_mark_inode_dirty(handle, inode);
@@ -3668,9 +3685,10 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
3668 parent_bh)){ 3685 parent_bh)){
3669 *p = 0; 3686 *p = 0;
3670 BUFFER_TRACE(parent_bh, 3687 BUFFER_TRACE(parent_bh,
3671 "call ext4_journal_dirty_metadata"); 3688 "call ext4_handle_dirty_metadata");
3672 ext4_journal_dirty_metadata(handle, 3689 ext4_handle_dirty_metadata(handle,
3673 parent_bh); 3690 inode,
3691 parent_bh);
3674 } 3692 }
3675 } 3693 }
3676 } 3694 }
@@ -3858,7 +3876,7 @@ do_indirects:
3858 * synchronous 3876 * synchronous
3859 */ 3877 */
3860 if (IS_SYNC(inode)) 3878 if (IS_SYNC(inode))
3861 handle->h_sync = 1; 3879 ext4_handle_sync(handle);
3862out_stop: 3880out_stop:
3863 /* 3881 /*
3864 * If this was a simple ftruncate(), and the file will remain alive 3882 * If this was a simple ftruncate(), and the file will remain alive
@@ -4357,8 +4375,8 @@ static int ext4_do_update_inode(handle_t *handle,
4357 EXT4_SET_RO_COMPAT_FEATURE(sb, 4375 EXT4_SET_RO_COMPAT_FEATURE(sb,
4358 EXT4_FEATURE_RO_COMPAT_LARGE_FILE); 4376 EXT4_FEATURE_RO_COMPAT_LARGE_FILE);
4359 sb->s_dirt = 1; 4377 sb->s_dirt = 1;
4360 handle->h_sync = 1; 4378 ext4_handle_sync(handle);
4361 err = ext4_journal_dirty_metadata(handle, 4379 err = ext4_handle_dirty_metadata(handle, inode,
4362 EXT4_SB(sb)->s_sbh); 4380 EXT4_SB(sb)->s_sbh);
4363 } 4381 }
4364 } 4382 }
@@ -4385,9 +4403,8 @@ static int ext4_do_update_inode(handle_t *handle,
4385 raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize); 4403 raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize);
4386 } 4404 }
4387 4405
4388 4406 BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
4389 BUFFER_TRACE(bh, "call ext4_journal_dirty_metadata"); 4407 rc = ext4_handle_dirty_metadata(handle, inode, bh);
4390 rc = ext4_journal_dirty_metadata(handle, bh);
4391 if (!err) 4408 if (!err)
4392 err = rc; 4409 err = rc;
4393 ei->i_state &= ~EXT4_STATE_NEW; 4410 ei->i_state &= ~EXT4_STATE_NEW;
@@ -4450,6 +4467,25 @@ int ext4_write_inode(struct inode *inode, int wait)
4450 return ext4_force_commit(inode->i_sb); 4467 return ext4_force_commit(inode->i_sb);
4451} 4468}
4452 4469
4470int __ext4_write_dirty_metadata(struct inode *inode, struct buffer_head *bh)
4471{
4472 int err = 0;
4473
4474 mark_buffer_dirty(bh);
4475 if (inode && inode_needs_sync(inode)) {
4476 sync_dirty_buffer(bh);
4477 if (buffer_req(bh) && !buffer_uptodate(bh)) {
4478 ext4_error(inode->i_sb, __func__,
4479 "IO error syncing inode, "
4480 "inode=%lu, block=%llu",
4481 inode->i_ino,
4482 (unsigned long long)bh->b_blocknr);
4483 err = -EIO;
4484 }
4485 }
4486 return err;
4487}
4488
4453/* 4489/*
4454 * ext4_setattr() 4490 * ext4_setattr()
4455 * 4491 *
@@ -4754,16 +4790,15 @@ int
4754ext4_reserve_inode_write(handle_t *handle, struct inode *inode, 4790ext4_reserve_inode_write(handle_t *handle, struct inode *inode,
4755 struct ext4_iloc *iloc) 4791 struct ext4_iloc *iloc)
4756{ 4792{
4757 int err = 0; 4793 int err;
4758 if (handle) { 4794
4759 err = ext4_get_inode_loc(inode, iloc); 4795 err = ext4_get_inode_loc(inode, iloc);
4760 if (!err) { 4796 if (!err) {
4761 BUFFER_TRACE(iloc->bh, "get_write_access"); 4797 BUFFER_TRACE(iloc->bh, "get_write_access");
4762 err = ext4_journal_get_write_access(handle, iloc->bh); 4798 err = ext4_journal_get_write_access(handle, iloc->bh);
4763 if (err) { 4799 if (err) {
4764 brelse(iloc->bh); 4800 brelse(iloc->bh);
4765 iloc->bh = NULL; 4801 iloc->bh = NULL;
4766 }
4767 } 4802 }
4768 } 4803 }
4769 ext4_std_error(inode->i_sb, err); 4804 ext4_std_error(inode->i_sb, err);
@@ -4835,7 +4870,8 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
4835 4870
4836 might_sleep(); 4871 might_sleep();
4837 err = ext4_reserve_inode_write(handle, inode, &iloc); 4872 err = ext4_reserve_inode_write(handle, inode, &iloc);
4838 if (EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize && 4873 if (ext4_handle_valid(handle) &&
4874 EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
4839 !(EXT4_I(inode)->i_state & EXT4_STATE_NO_EXPAND)) { 4875 !(EXT4_I(inode)->i_state & EXT4_STATE_NO_EXPAND)) {
4840 /* 4876 /*
4841 * We need extra buffer credits since we may write into EA block 4877 * We need extra buffer credits since we may write into EA block
@@ -4887,6 +4923,11 @@ void ext4_dirty_inode(struct inode *inode)
4887 handle_t *current_handle = ext4_journal_current_handle(); 4923 handle_t *current_handle = ext4_journal_current_handle();
4888 handle_t *handle; 4924 handle_t *handle;
4889 4925
4926 if (!ext4_handle_valid(current_handle)) {
4927 ext4_mark_inode_dirty(current_handle, inode);
4928 return;
4929 }
4930
4890 handle = ext4_journal_start(inode, 2); 4931 handle = ext4_journal_start(inode, 2);
4891 if (IS_ERR(handle)) 4932 if (IS_ERR(handle))
4892 goto out; 4933 goto out;
@@ -4924,8 +4965,9 @@ static int ext4_pin_inode(handle_t *handle, struct inode *inode)
4924 BUFFER_TRACE(iloc.bh, "get_write_access"); 4965 BUFFER_TRACE(iloc.bh, "get_write_access");
4925 err = jbd2_journal_get_write_access(handle, iloc.bh); 4966 err = jbd2_journal_get_write_access(handle, iloc.bh);
4926 if (!err) 4967 if (!err)
4927 err = ext4_journal_dirty_metadata(handle, 4968 err = ext4_handle_dirty_metadata(handle,
4928 iloc.bh); 4969 inode,
4970 iloc.bh);
4929 brelse(iloc.bh); 4971 brelse(iloc.bh);
4930 } 4972 }
4931 } 4973 }
@@ -4951,6 +4993,8 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val)
4951 */ 4993 */
4952 4994
4953 journal = EXT4_JOURNAL(inode); 4995 journal = EXT4_JOURNAL(inode);
4996 if (!journal)
4997 return 0;
4954 if (is_journal_aborted(journal)) 4998 if (is_journal_aborted(journal))
4955 return -EROFS; 4999 return -EROFS;
4956 5000
@@ -4980,7 +5024,7 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val)
4980 return PTR_ERR(handle); 5024 return PTR_ERR(handle);
4981 5025
4982 err = ext4_mark_inode_dirty(handle, inode); 5026 err = ext4_mark_inode_dirty(handle, inode);
4983 handle->h_sync = 1; 5027 ext4_handle_sync(handle);
4984 ext4_journal_stop(handle); 5028 ext4_journal_stop(handle);
4985 ext4_std_error(inode->i_sb, err); 5029 ext4_std_error(inode->i_sb, err);
4986 5030
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index dc99b4776d58..42dc83fb247a 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -99,7 +99,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
99 goto flags_out; 99 goto flags_out;
100 } 100 }
101 if (IS_SYNC(inode)) 101 if (IS_SYNC(inode))
102 handle->h_sync = 1; 102 ext4_handle_sync(handle);
103 err = ext4_reserve_inode_write(handle, inode, &iloc); 103 err = ext4_reserve_inode_write(handle, inode, &iloc);
104 if (err) 104 if (err)
105 goto flags_err; 105 goto flags_err;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 7beab7141dd5..edb512b2ec49 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2553,7 +2553,8 @@ int ext4_mb_init(struct super_block *sb, int needs_recovery)
2553 ext4_mb_init_per_dev_proc(sb); 2553 ext4_mb_init_per_dev_proc(sb);
2554 ext4_mb_history_init(sb); 2554 ext4_mb_history_init(sb);
2555 2555
2556 sbi->s_journal->j_commit_callback = release_blocks_on_commit; 2556 if (sbi->s_journal)
2557 sbi->s_journal->j_commit_callback = release_blocks_on_commit;
2557 2558
2558 printk(KERN_INFO "EXT4-fs: mballoc enabled\n"); 2559 printk(KERN_INFO "EXT4-fs: mballoc enabled\n");
2559 return 0; 2560 return 0;
@@ -2854,7 +2855,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
2854 mb_set_bits(sb_bgl_lock(sbi, ac->ac_b_ex.fe_group), 2855 mb_set_bits(sb_bgl_lock(sbi, ac->ac_b_ex.fe_group),
2855 bitmap_bh->b_data, ac->ac_b_ex.fe_start, 2856 bitmap_bh->b_data, ac->ac_b_ex.fe_start,
2856 ac->ac_b_ex.fe_len); 2857 ac->ac_b_ex.fe_len);
2857 err = ext4_journal_dirty_metadata(handle, bitmap_bh); 2858 err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
2858 if (!err) 2859 if (!err)
2859 err = -EAGAIN; 2860 err = -EAGAIN;
2860 goto out_err; 2861 goto out_err;
@@ -2901,10 +2902,10 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
2901 spin_unlock(sb_bgl_lock(sbi, flex_group)); 2902 spin_unlock(sb_bgl_lock(sbi, flex_group));
2902 } 2903 }
2903 2904
2904 err = ext4_journal_dirty_metadata(handle, bitmap_bh); 2905 err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
2905 if (err) 2906 if (err)
2906 goto out_err; 2907 goto out_err;
2907 err = ext4_journal_dirty_metadata(handle, gdp_bh); 2908 err = ext4_handle_dirty_metadata(handle, NULL, gdp_bh);
2908 2909
2909out_err: 2910out_err:
2910 sb->s_dirt = 1; 2911 sb->s_dirt = 1;
@@ -4414,7 +4415,7 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
4414 struct rb_node **n = &db->bb_free_root.rb_node, *node; 4415 struct rb_node **n = &db->bb_free_root.rb_node, *node;
4415 struct rb_node *parent = NULL, *new_node; 4416 struct rb_node *parent = NULL, *new_node;
4416 4417
4417 4418 BUG_ON(!ext4_handle_valid(handle));
4418 BUG_ON(e4b->bd_bitmap_page == NULL); 4419 BUG_ON(e4b->bd_bitmap_page == NULL);
4419 BUG_ON(e4b->bd_buddy_page == NULL); 4420 BUG_ON(e4b->bd_buddy_page == NULL);
4420 4421
@@ -4600,7 +4601,7 @@ do_more:
4600 4601
4601 /* We dirtied the bitmap block */ 4602 /* We dirtied the bitmap block */
4602 BUFFER_TRACE(bitmap_bh, "dirtied bitmap block"); 4603 BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");
4603 err = ext4_journal_dirty_metadata(handle, bitmap_bh); 4604 err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
4604 4605
4605 if (ac) { 4606 if (ac) {
4606 ac->ac_b_ex.fe_group = block_group; 4607 ac->ac_b_ex.fe_group = block_group;
@@ -4609,7 +4610,7 @@ do_more:
4609 ext4_mb_store_history(ac); 4610 ext4_mb_store_history(ac);
4610 } 4611 }
4611 4612
4612 if (metadata) { 4613 if (metadata && ext4_handle_valid(handle)) {
4613 /* blocks being freed are metadata. these blocks shouldn't 4614 /* blocks being freed are metadata. these blocks shouldn't
4614 * be used until this transaction is committed */ 4615 * be used until this transaction is committed */
4615 ext4_mb_free_metadata(handle, &e4b, block_group, bit, count); 4616 ext4_mb_free_metadata(handle, &e4b, block_group, bit, count);
@@ -4639,7 +4640,7 @@ do_more:
4639 4640
4640 /* And the group descriptor block */ 4641 /* And the group descriptor block */
4641 BUFFER_TRACE(gd_bh, "dirtied group descriptor block"); 4642 BUFFER_TRACE(gd_bh, "dirtied group descriptor block");
4642 ret = ext4_journal_dirty_metadata(handle, gd_bh); 4643 ret = ext4_handle_dirty_metadata(handle, NULL, gd_bh);
4643 if (!err) 4644 if (!err)
4644 err = ret; 4645 err = ret;
4645 4646
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index f2a9cf498ecd..e7cd488da4bb 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -59,7 +59,8 @@ static int finish_range(handle_t *handle, struct inode *inode,
59 /* 59 /*
60 * Make sure the credit we accumalated is not really high 60 * Make sure the credit we accumalated is not really high
61 */ 61 */
62 if (needed && handle->h_buffer_credits >= EXT4_RESERVE_TRANS_BLOCKS) { 62 if (needed && ext4_handle_has_enough_credits(handle,
63 EXT4_RESERVE_TRANS_BLOCKS)) {
63 retval = ext4_journal_restart(handle, needed); 64 retval = ext4_journal_restart(handle, needed);
64 if (retval) 65 if (retval)
65 goto err_out; 66 goto err_out;
@@ -229,7 +230,7 @@ static int extend_credit_for_blkdel(handle_t *handle, struct inode *inode)
229{ 230{
230 int retval = 0, needed; 231 int retval = 0, needed;
231 232
232 if (handle->h_buffer_credits > EXT4_RESERVE_TRANS_BLOCKS) 233 if (ext4_handle_has_enough_credits(handle, EXT4_RESERVE_TRANS_BLOCKS+1))
233 return 0; 234 return 0;
234 /* 235 /*
235 * We are freeing a blocks. During this we touch 236 * We are freeing a blocks. During this we touch
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 84a68ae623c1..08873e938ab2 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1233,10 +1233,10 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
1233 de = de2; 1233 de = de2;
1234 } 1234 }
1235 dx_insert_block(frame, hash2 + continued, newblock); 1235 dx_insert_block(frame, hash2 + continued, newblock);
1236 err = ext4_journal_dirty_metadata(handle, bh2); 1236 err = ext4_handle_dirty_metadata(handle, dir, bh2);
1237 if (err) 1237 if (err)
1238 goto journal_error; 1238 goto journal_error;
1239 err = ext4_journal_dirty_metadata(handle, frame->bh); 1239 err = ext4_handle_dirty_metadata(handle, dir, frame->bh);
1240 if (err) 1240 if (err)
1241 goto journal_error; 1241 goto journal_error;
1242 brelse(bh2); 1242 brelse(bh2);
@@ -1340,8 +1340,8 @@ static int add_dirent_to_buf(handle_t *handle, struct dentry *dentry,
1340 ext4_update_dx_flag(dir); 1340 ext4_update_dx_flag(dir);
1341 dir->i_version++; 1341 dir->i_version++;
1342 ext4_mark_inode_dirty(handle, dir); 1342 ext4_mark_inode_dirty(handle, dir);
1343 BUFFER_TRACE(bh, "call ext4_journal_dirty_metadata"); 1343 BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
1344 err = ext4_journal_dirty_metadata(handle, bh); 1344 err = ext4_handle_dirty_metadata(handle, dir, bh);
1345 if (err) 1345 if (err)
1346 ext4_std_error(dir->i_sb, err); 1346 ext4_std_error(dir->i_sb, err);
1347 brelse(bh); 1347 brelse(bh);
@@ -1581,7 +1581,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
1581 dxtrace(dx_show_index("node", frames[1].entries)); 1581 dxtrace(dx_show_index("node", frames[1].entries));
1582 dxtrace(dx_show_index("node", 1582 dxtrace(dx_show_index("node",
1583 ((struct dx_node *) bh2->b_data)->entries)); 1583 ((struct dx_node *) bh2->b_data)->entries));
1584 err = ext4_journal_dirty_metadata(handle, bh2); 1584 err = ext4_handle_dirty_metadata(handle, inode, bh2);
1585 if (err) 1585 if (err)
1586 goto journal_error; 1586 goto journal_error;
1587 brelse (bh2); 1587 brelse (bh2);
@@ -1607,7 +1607,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
1607 if (err) 1607 if (err)
1608 goto journal_error; 1608 goto journal_error;
1609 } 1609 }
1610 ext4_journal_dirty_metadata(handle, frames[0].bh); 1610 ext4_handle_dirty_metadata(handle, inode, frames[0].bh);
1611 } 1611 }
1612 de = do_split(handle, dir, &bh, frame, &hinfo, &err); 1612 de = do_split(handle, dir, &bh, frame, &hinfo, &err);
1613 if (!de) 1613 if (!de)
@@ -1653,8 +1653,8 @@ static int ext4_delete_entry(handle_t *handle,
1653 else 1653 else
1654 de->inode = 0; 1654 de->inode = 0;
1655 dir->i_version++; 1655 dir->i_version++;
1656 BUFFER_TRACE(bh, "call ext4_journal_dirty_metadata"); 1656 BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
1657 ext4_journal_dirty_metadata(handle, bh); 1657 ext4_handle_dirty_metadata(handle, dir, bh);
1658 return 0; 1658 return 0;
1659 } 1659 }
1660 i += ext4_rec_len_from_disk(de->rec_len); 1660 i += ext4_rec_len_from_disk(de->rec_len);
@@ -1732,7 +1732,7 @@ retry:
1732 return PTR_ERR(handle); 1732 return PTR_ERR(handle);
1733 1733
1734 if (IS_DIRSYNC(dir)) 1734 if (IS_DIRSYNC(dir))
1735 handle->h_sync = 1; 1735 ext4_handle_sync(handle);
1736 1736
1737 inode = ext4_new_inode (handle, dir, mode); 1737 inode = ext4_new_inode (handle, dir, mode);
1738 err = PTR_ERR(inode); 1738 err = PTR_ERR(inode);
@@ -1766,7 +1766,7 @@ retry:
1766 return PTR_ERR(handle); 1766 return PTR_ERR(handle);
1767 1767
1768 if (IS_DIRSYNC(dir)) 1768 if (IS_DIRSYNC(dir))
1769 handle->h_sync = 1; 1769 ext4_handle_sync(handle);
1770 1770
1771 inode = ext4_new_inode(handle, dir, mode); 1771 inode = ext4_new_inode(handle, dir, mode);
1772 err = PTR_ERR(inode); 1772 err = PTR_ERR(inode);
@@ -1802,7 +1802,7 @@ retry:
1802 return PTR_ERR(handle); 1802 return PTR_ERR(handle);
1803 1803
1804 if (IS_DIRSYNC(dir)) 1804 if (IS_DIRSYNC(dir))
1805 handle->h_sync = 1; 1805 ext4_handle_sync(handle);
1806 1806
1807 inode = ext4_new_inode(handle, dir, S_IFDIR | mode); 1807 inode = ext4_new_inode(handle, dir, S_IFDIR | mode);
1808 err = PTR_ERR(inode); 1808 err = PTR_ERR(inode);
@@ -1831,8 +1831,8 @@ retry:
1831 strcpy(de->name, ".."); 1831 strcpy(de->name, "..");
1832 ext4_set_de_type(dir->i_sb, de, S_IFDIR); 1832 ext4_set_de_type(dir->i_sb, de, S_IFDIR);
1833 inode->i_nlink = 2; 1833 inode->i_nlink = 2;
1834 BUFFER_TRACE(dir_block, "call ext4_journal_dirty_metadata"); 1834 BUFFER_TRACE(dir_block, "call ext4_handle_dirty_metadata");
1835 ext4_journal_dirty_metadata(handle, dir_block); 1835 ext4_handle_dirty_metadata(handle, dir, dir_block);
1836 brelse(dir_block); 1836 brelse(dir_block);
1837 ext4_mark_inode_dirty(handle, inode); 1837 ext4_mark_inode_dirty(handle, inode);
1838 err = ext4_add_entry(handle, dentry, inode); 1838 err = ext4_add_entry(handle, dentry, inode);
@@ -1944,6 +1944,9 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
1944 struct ext4_iloc iloc; 1944 struct ext4_iloc iloc;
1945 int err = 0, rc; 1945 int err = 0, rc;
1946 1946
1947 if (!ext4_handle_valid(handle))
1948 return 0;
1949
1947 lock_super(sb); 1950 lock_super(sb);
1948 if (!list_empty(&EXT4_I(inode)->i_orphan)) 1951 if (!list_empty(&EXT4_I(inode)->i_orphan))
1949 goto out_unlock; 1952 goto out_unlock;
@@ -1972,7 +1975,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
1972 /* Insert this inode at the head of the on-disk orphan list... */ 1975 /* Insert this inode at the head of the on-disk orphan list... */
1973 NEXT_ORPHAN(inode) = le32_to_cpu(EXT4_SB(sb)->s_es->s_last_orphan); 1976 NEXT_ORPHAN(inode) = le32_to_cpu(EXT4_SB(sb)->s_es->s_last_orphan);
1974 EXT4_SB(sb)->s_es->s_last_orphan = cpu_to_le32(inode->i_ino); 1977 EXT4_SB(sb)->s_es->s_last_orphan = cpu_to_le32(inode->i_ino);
1975 err = ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh); 1978 err = ext4_handle_dirty_metadata(handle, inode, EXT4_SB(sb)->s_sbh);
1976 rc = ext4_mark_iloc_dirty(handle, inode, &iloc); 1979 rc = ext4_mark_iloc_dirty(handle, inode, &iloc);
1977 if (!err) 1980 if (!err)
1978 err = rc; 1981 err = rc;
@@ -2010,6 +2013,9 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
2010 struct ext4_iloc iloc; 2013 struct ext4_iloc iloc;
2011 int err = 0; 2014 int err = 0;
2012 2015
2016 if (!ext4_handle_valid(handle))
2017 return 0;
2018
2013 lock_super(inode->i_sb); 2019 lock_super(inode->i_sb);
2014 if (list_empty(&ei->i_orphan)) { 2020 if (list_empty(&ei->i_orphan)) {
2015 unlock_super(inode->i_sb); 2021 unlock_super(inode->i_sb);
@@ -2028,7 +2034,7 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
2028 * transaction handle with which to update the orphan list on 2034 * transaction handle with which to update the orphan list on
2029 * disk, but we still need to remove the inode from the linked 2035 * disk, but we still need to remove the inode from the linked
2030 * list in memory. */ 2036 * list in memory. */
2031 if (!handle) 2037 if (sbi->s_journal && !handle)
2032 goto out; 2038 goto out;
2033 2039
2034 err = ext4_reserve_inode_write(handle, inode, &iloc); 2040 err = ext4_reserve_inode_write(handle, inode, &iloc);
@@ -2042,7 +2048,7 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
2042 if (err) 2048 if (err)
2043 goto out_brelse; 2049 goto out_brelse;
2044 sbi->s_es->s_last_orphan = cpu_to_le32(ino_next); 2050 sbi->s_es->s_last_orphan = cpu_to_le32(ino_next);
2045 err = ext4_journal_dirty_metadata(handle, sbi->s_sbh); 2051 err = ext4_handle_dirty_metadata(handle, inode, sbi->s_sbh);
2046 } else { 2052 } else {
2047 struct ext4_iloc iloc2; 2053 struct ext4_iloc iloc2;
2048 struct inode *i_prev = 2054 struct inode *i_prev =
@@ -2093,7 +2099,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
2093 goto end_rmdir; 2099 goto end_rmdir;
2094 2100
2095 if (IS_DIRSYNC(dir)) 2101 if (IS_DIRSYNC(dir))
2096 handle->h_sync = 1; 2102 ext4_handle_sync(handle);
2097 2103
2098 inode = dentry->d_inode; 2104 inode = dentry->d_inode;
2099 2105
@@ -2147,7 +2153,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
2147 return PTR_ERR(handle); 2153 return PTR_ERR(handle);
2148 2154
2149 if (IS_DIRSYNC(dir)) 2155 if (IS_DIRSYNC(dir))
2150 handle->h_sync = 1; 2156 ext4_handle_sync(handle);
2151 2157
2152 retval = -ENOENT; 2158 retval = -ENOENT;
2153 bh = ext4_find_entry(dir, &dentry->d_name, &de); 2159 bh = ext4_find_entry(dir, &dentry->d_name, &de);
@@ -2204,7 +2210,7 @@ retry:
2204 return PTR_ERR(handle); 2210 return PTR_ERR(handle);
2205 2211
2206 if (IS_DIRSYNC(dir)) 2212 if (IS_DIRSYNC(dir))
2207 handle->h_sync = 1; 2213 ext4_handle_sync(handle);
2208 2214
2209 inode = ext4_new_inode(handle, dir, S_IFLNK|S_IRWXUGO); 2215 inode = ext4_new_inode(handle, dir, S_IFLNK|S_IRWXUGO);
2210 err = PTR_ERR(inode); 2216 err = PTR_ERR(inode);
@@ -2267,7 +2273,7 @@ retry:
2267 return PTR_ERR(handle); 2273 return PTR_ERR(handle);
2268 2274
2269 if (IS_DIRSYNC(dir)) 2275 if (IS_DIRSYNC(dir))
2270 handle->h_sync = 1; 2276 ext4_handle_sync(handle);
2271 2277
2272 inode->i_ctime = ext4_current_time(inode); 2278 inode->i_ctime = ext4_current_time(inode);
2273 ext4_inc_count(handle, inode); 2279 ext4_inc_count(handle, inode);
@@ -2316,7 +2322,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
2316 return PTR_ERR(handle); 2322 return PTR_ERR(handle);
2317 2323
2318 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) 2324 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
2319 handle->h_sync = 1; 2325 ext4_handle_sync(handle);
2320 2326
2321 old_bh = ext4_find_entry(old_dir, &old_dentry->d_name, &old_de); 2327 old_bh = ext4_find_entry(old_dir, &old_dentry->d_name, &old_de);
2322 /* 2328 /*
@@ -2370,8 +2376,8 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
2370 new_dir->i_ctime = new_dir->i_mtime = 2376 new_dir->i_ctime = new_dir->i_mtime =
2371 ext4_current_time(new_dir); 2377 ext4_current_time(new_dir);
2372 ext4_mark_inode_dirty(handle, new_dir); 2378 ext4_mark_inode_dirty(handle, new_dir);
2373 BUFFER_TRACE(new_bh, "call ext4_journal_dirty_metadata"); 2379 BUFFER_TRACE(new_bh, "call ext4_handle_dirty_metadata");
2374 ext4_journal_dirty_metadata(handle, new_bh); 2380 ext4_handle_dirty_metadata(handle, new_dir, new_bh);
2375 brelse(new_bh); 2381 brelse(new_bh);
2376 new_bh = NULL; 2382 new_bh = NULL;
2377 } 2383 }
@@ -2421,8 +2427,8 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
2421 BUFFER_TRACE(dir_bh, "get_write_access"); 2427 BUFFER_TRACE(dir_bh, "get_write_access");
2422 ext4_journal_get_write_access(handle, dir_bh); 2428 ext4_journal_get_write_access(handle, dir_bh);
2423 PARENT_INO(dir_bh->b_data) = cpu_to_le32(new_dir->i_ino); 2429 PARENT_INO(dir_bh->b_data) = cpu_to_le32(new_dir->i_ino);
2424 BUFFER_TRACE(dir_bh, "call ext4_journal_dirty_metadata"); 2430 BUFFER_TRACE(dir_bh, "call ext4_handle_dirty_metadata");
2425 ext4_journal_dirty_metadata(handle, dir_bh); 2431 ext4_handle_dirty_metadata(handle, old_dir, dir_bh);
2426 ext4_dec_count(handle, old_dir); 2432 ext4_dec_count(handle, old_dir);
2427 if (new_inode) { 2433 if (new_inode) {
2428 /* checked empty_dir above, can't have another parent, 2434 /* checked empty_dir above, can't have another parent,
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index d448eb1d9bae..1665aa131d18 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -149,7 +149,7 @@ static int extend_or_restart_transaction(handle_t *handle, int thresh,
149{ 149{
150 int err; 150 int err;
151 151
152 if (handle->h_buffer_credits >= thresh) 152 if (ext4_handle_has_enough_credits(handle, thresh))
153 return 0; 153 return 0;
154 154
155 err = ext4_journal_extend(handle, EXT4_MAX_TRANS_DATA); 155 err = ext4_journal_extend(handle, EXT4_MAX_TRANS_DATA);
@@ -232,7 +232,7 @@ static int setup_new_group_blocks(struct super_block *sb,
232 memcpy(gdb->b_data, sbi->s_group_desc[i]->b_data, gdb->b_size); 232 memcpy(gdb->b_data, sbi->s_group_desc[i]->b_data, gdb->b_size);
233 set_buffer_uptodate(gdb); 233 set_buffer_uptodate(gdb);
234 unlock_buffer(gdb); 234 unlock_buffer(gdb);
235 ext4_journal_dirty_metadata(handle, gdb); 235 ext4_handle_dirty_metadata(handle, NULL, gdb);
236 ext4_set_bit(bit, bh->b_data); 236 ext4_set_bit(bit, bh->b_data);
237 brelse(gdb); 237 brelse(gdb);
238 } 238 }
@@ -251,7 +251,7 @@ static int setup_new_group_blocks(struct super_block *sb,
251 err = PTR_ERR(bh); 251 err = PTR_ERR(bh);
252 goto exit_bh; 252 goto exit_bh;
253 } 253 }
254 ext4_journal_dirty_metadata(handle, gdb); 254 ext4_handle_dirty_metadata(handle, NULL, gdb);
255 ext4_set_bit(bit, bh->b_data); 255 ext4_set_bit(bit, bh->b_data);
256 brelse(gdb); 256 brelse(gdb);
257 } 257 }
@@ -276,7 +276,7 @@ static int setup_new_group_blocks(struct super_block *sb,
276 err = PTR_ERR(it); 276 err = PTR_ERR(it);
277 goto exit_bh; 277 goto exit_bh;
278 } 278 }
279 ext4_journal_dirty_metadata(handle, it); 279 ext4_handle_dirty_metadata(handle, NULL, it);
280 brelse(it); 280 brelse(it);
281 ext4_set_bit(bit, bh->b_data); 281 ext4_set_bit(bit, bh->b_data);
282 } 282 }
@@ -286,7 +286,7 @@ static int setup_new_group_blocks(struct super_block *sb,
286 286
287 mark_bitmap_end(input->blocks_count, EXT4_BLOCKS_PER_GROUP(sb), 287 mark_bitmap_end(input->blocks_count, EXT4_BLOCKS_PER_GROUP(sb),
288 bh->b_data); 288 bh->b_data);
289 ext4_journal_dirty_metadata(handle, bh); 289 ext4_handle_dirty_metadata(handle, NULL, bh);
290 brelse(bh); 290 brelse(bh);
291 291
292 /* Mark unused entries in inode bitmap used */ 292 /* Mark unused entries in inode bitmap used */
@@ -299,7 +299,7 @@ static int setup_new_group_blocks(struct super_block *sb,
299 299
300 mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), EXT4_BLOCKS_PER_GROUP(sb), 300 mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), EXT4_BLOCKS_PER_GROUP(sb),
301 bh->b_data); 301 bh->b_data);
302 ext4_journal_dirty_metadata(handle, bh); 302 ext4_handle_dirty_metadata(handle, NULL, bh);
303exit_bh: 303exit_bh:
304 brelse(bh); 304 brelse(bh);
305 305
@@ -486,12 +486,12 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
486 * reserved inode, and will become GDT blocks (primary and backup). 486 * reserved inode, and will become GDT blocks (primary and backup).
487 */ 487 */
488 data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)] = 0; 488 data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)] = 0;
489 ext4_journal_dirty_metadata(handle, dind); 489 ext4_handle_dirty_metadata(handle, NULL, dind);
490 brelse(dind); 490 brelse(dind);
491 inode->i_blocks -= (gdbackups + 1) * sb->s_blocksize >> 9; 491 inode->i_blocks -= (gdbackups + 1) * sb->s_blocksize >> 9;
492 ext4_mark_iloc_dirty(handle, inode, &iloc); 492 ext4_mark_iloc_dirty(handle, inode, &iloc);
493 memset((*primary)->b_data, 0, sb->s_blocksize); 493 memset((*primary)->b_data, 0, sb->s_blocksize);
494 ext4_journal_dirty_metadata(handle, *primary); 494 ext4_handle_dirty_metadata(handle, NULL, *primary);
495 495
496 o_group_desc = EXT4_SB(sb)->s_group_desc; 496 o_group_desc = EXT4_SB(sb)->s_group_desc;
497 memcpy(n_group_desc, o_group_desc, 497 memcpy(n_group_desc, o_group_desc,
@@ -502,7 +502,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
502 kfree(o_group_desc); 502 kfree(o_group_desc);
503 503
504 le16_add_cpu(&es->s_reserved_gdt_blocks, -1); 504 le16_add_cpu(&es->s_reserved_gdt_blocks, -1);
505 ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh); 505 ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
506 506
507 return 0; 507 return 0;
508 508
@@ -618,7 +618,7 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode,
618 primary[i]->b_blocknr, gdbackups, 618 primary[i]->b_blocknr, gdbackups,
619 blk + primary[i]->b_blocknr); */ 619 blk + primary[i]->b_blocknr); */
620 data[gdbackups] = cpu_to_le32(blk + primary[i]->b_blocknr); 620 data[gdbackups] = cpu_to_le32(blk + primary[i]->b_blocknr);
621 err2 = ext4_journal_dirty_metadata(handle, primary[i]); 621 err2 = ext4_handle_dirty_metadata(handle, NULL, primary[i]);
622 if (!err) 622 if (!err)
623 err = err2; 623 err = err2;
624 } 624 }
@@ -676,7 +676,8 @@ static void update_backups(struct super_block *sb,
676 struct buffer_head *bh; 676 struct buffer_head *bh;
677 677
678 /* Out of journal space, and can't get more - abort - so sad */ 678 /* Out of journal space, and can't get more - abort - so sad */
679 if (handle->h_buffer_credits == 0 && 679 if (ext4_handle_valid(handle) &&
680 handle->h_buffer_credits == 0 &&
680 ext4_journal_extend(handle, EXT4_MAX_TRANS_DATA) && 681 ext4_journal_extend(handle, EXT4_MAX_TRANS_DATA) &&
681 (err = ext4_journal_restart(handle, EXT4_MAX_TRANS_DATA))) 682 (err = ext4_journal_restart(handle, EXT4_MAX_TRANS_DATA)))
682 break; 683 break;
@@ -696,7 +697,7 @@ static void update_backups(struct super_block *sb,
696 memset(bh->b_data + size, 0, rest); 697 memset(bh->b_data + size, 0, rest);
697 set_buffer_uptodate(bh); 698 set_buffer_uptodate(bh);
698 unlock_buffer(bh); 699 unlock_buffer(bh);
699 ext4_journal_dirty_metadata(handle, bh); 700 ext4_handle_dirty_metadata(handle, NULL, bh);
700 brelse(bh); 701 brelse(bh);
701 } 702 }
702 if ((err2 = ext4_journal_stop(handle)) && !err) 703 if ((err2 = ext4_journal_stop(handle)) && !err)
@@ -916,7 +917,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
916 /* Update the global fs size fields */ 917 /* Update the global fs size fields */
917 sbi->s_groups_count++; 918 sbi->s_groups_count++;
918 919
919 ext4_journal_dirty_metadata(handle, primary); 920 ext4_handle_dirty_metadata(handle, NULL, primary);
920 921
921 /* Update the reserved block counts only once the new group is 922 /* Update the reserved block counts only once the new group is
922 * active. */ 923 * active. */
@@ -938,7 +939,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
938 EXT4_INODES_PER_GROUP(sb); 939 EXT4_INODES_PER_GROUP(sb);
939 } 940 }
940 941
941 ext4_journal_dirty_metadata(handle, sbi->s_sbh); 942 ext4_handle_dirty_metadata(handle, NULL, sbi->s_sbh);
942 sb->s_dirt = 1; 943 sb->s_dirt = 1;
943 944
944exit_journal: 945exit_journal:
@@ -1072,7 +1073,7 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
1072 goto exit_put; 1073 goto exit_put;
1073 } 1074 }
1074 ext4_blocks_count_set(es, o_blocks_count + add); 1075 ext4_blocks_count_set(es, o_blocks_count + add);
1075 ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh); 1076 ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
1076 sb->s_dirt = 1; 1077 sb->s_dirt = 1;
1077 unlock_super(sb); 1078 unlock_super(sb);
1078 ext4_debug("freeing blocks %llu through %llu\n", o_blocks_count, 1079 ext4_debug("freeing blocks %llu through %llu\n", o_blocks_count,
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 8a0ae883f567..9b9076d9c4f7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -136,13 +136,19 @@ handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks)
136 * backs (eg. EIO in the commit thread), then we still need to 136 * backs (eg. EIO in the commit thread), then we still need to
137 * take the FS itself readonly cleanly. */ 137 * take the FS itself readonly cleanly. */
138 journal = EXT4_SB(sb)->s_journal; 138 journal = EXT4_SB(sb)->s_journal;
139 if (is_journal_aborted(journal)) { 139 if (journal) {
140 ext4_abort(sb, __func__, 140 if (is_journal_aborted(journal)) {
141 "Detected aborted journal"); 141 ext4_abort(sb, __func__,
142 return ERR_PTR(-EROFS); 142 "Detected aborted journal");
143 return ERR_PTR(-EROFS);
144 }
145 return jbd2_journal_start(journal, nblocks);
143 } 146 }
144 147 /*
145 return jbd2_journal_start(journal, nblocks); 148 * We're not journaling, return the appropriate indication.
149 */
150 current->journal_info = EXT4_NOJOURNAL_HANDLE;
151 return current->journal_info;
146} 152}
147 153
148/* 154/*
@@ -157,6 +163,14 @@ int __ext4_journal_stop(const char *where, handle_t *handle)
157 int err; 163 int err;
158 int rc; 164 int rc;
159 165
166 if (!ext4_handle_valid(handle)) {
167 /*
168 * Do this here since we don't call jbd2_journal_stop() in
169 * no-journal mode.
170 */
171 current->journal_info = NULL;
172 return 0;
173 }
160 sb = handle->h_transaction->t_journal->j_private; 174 sb = handle->h_transaction->t_journal->j_private;
161 err = handle->h_err; 175 err = handle->h_err;
162 rc = jbd2_journal_stop(handle); 176 rc = jbd2_journal_stop(handle);
@@ -174,6 +188,8 @@ void ext4_journal_abort_handle(const char *caller, const char *err_fn,
174 char nbuf[16]; 188 char nbuf[16];
175 const char *errstr = ext4_decode_error(NULL, err, nbuf); 189 const char *errstr = ext4_decode_error(NULL, err, nbuf);
176 190
191 BUG_ON(!ext4_handle_valid(handle));
192
177 if (bh) 193 if (bh)
178 BUFFER_TRACE(bh, "abort"); 194 BUFFER_TRACE(bh, "abort");
179 195
@@ -448,11 +464,13 @@ static void ext4_put_super(struct super_block *sb)
448 ext4_mb_release(sb); 464 ext4_mb_release(sb);
449 ext4_ext_release(sb); 465 ext4_ext_release(sb);
450 ext4_xattr_put_super(sb); 466 ext4_xattr_put_super(sb);
451 err = jbd2_journal_destroy(sbi->s_journal); 467 if (sbi->s_journal) {
452 sbi->s_journal = NULL; 468 err = jbd2_journal_destroy(sbi->s_journal);
453 if (err < 0) 469 sbi->s_journal = NULL;
454 ext4_abort(sb, __func__, "Couldn't clean up the journal"); 470 if (err < 0)
455 471 ext4_abort(sb, __func__,
472 "Couldn't clean up the journal");
473 }
456 if (!(sb->s_flags & MS_RDONLY)) { 474 if (!(sb->s_flags & MS_RDONLY)) {
457 EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER); 475 EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
458 es->s_state = cpu_to_le16(sbi->s_mount_state); 476 es->s_state = cpu_to_le16(sbi->s_mount_state);
@@ -522,6 +540,11 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
522 memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache)); 540 memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
523 INIT_LIST_HEAD(&ei->i_prealloc_list); 541 INIT_LIST_HEAD(&ei->i_prealloc_list);
524 spin_lock_init(&ei->i_prealloc_lock); 542 spin_lock_init(&ei->i_prealloc_lock);
543 /*
544 * Note: We can be called before EXT4_SB(sb)->s_journal is set,
545 * therefore it can be null here. Don't check it, just initialize
546 * jinode.
547 */
525 jbd2_journal_init_jbd_inode(&ei->jinode, &ei->vfs_inode); 548 jbd2_journal_init_jbd_inode(&ei->jinode, &ei->vfs_inode);
526 ei->i_reserved_data_blocks = 0; 549 ei->i_reserved_data_blocks = 0;
527 ei->i_reserved_meta_blocks = 0; 550 ei->i_reserved_meta_blocks = 0;
@@ -588,7 +611,8 @@ static void ext4_clear_inode(struct inode *inode)
588 } 611 }
589#endif 612#endif
590 ext4_discard_preallocations(inode); 613 ext4_discard_preallocations(inode);
591 jbd2_journal_release_jbd_inode(EXT4_SB(inode->i_sb)->s_journal, 614 if (EXT4_JOURNAL(inode))
615 jbd2_journal_release_jbd_inode(EXT4_SB(inode->i_sb)->s_journal,
592 &EXT4_I(inode)->jinode); 616 &EXT4_I(inode)->jinode);
593} 617}
594 618
@@ -1406,20 +1430,15 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
1406 printk(KERN_WARNING 1430 printk(KERN_WARNING
1407 "EXT4-fs warning: checktime reached, " 1431 "EXT4-fs warning: checktime reached, "
1408 "running e2fsck is recommended\n"); 1432 "running e2fsck is recommended\n");
1409#if 0 1433 if (!sbi->s_journal)
1410 /* @@@ We _will_ want to clear the valid bit if we find 1434 es->s_state &= cpu_to_le16(~EXT4_VALID_FS);
1411 * inconsistencies, to force a fsck at reboot. But for
1412 * a plain journaled filesystem we can keep it set as
1413 * valid forever! :)
1414 */
1415 es->s_state &= cpu_to_le16(~EXT4_VALID_FS);
1416#endif
1417 if (!(__s16) le16_to_cpu(es->s_max_mnt_count)) 1435 if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
1418 es->s_max_mnt_count = cpu_to_le16(EXT4_DFL_MAX_MNT_COUNT); 1436 es->s_max_mnt_count = cpu_to_le16(EXT4_DFL_MAX_MNT_COUNT);
1419 le16_add_cpu(&es->s_mnt_count, 1); 1437 le16_add_cpu(&es->s_mnt_count, 1);
1420 es->s_mtime = cpu_to_le32(get_seconds()); 1438 es->s_mtime = cpu_to_le32(get_seconds());
1421 ext4_update_dynamic_rev(sb); 1439 ext4_update_dynamic_rev(sb);
1422 EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER); 1440 if (sbi->s_journal)
1441 EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
1423 1442
1424 ext4_commit_super(sb, es, 1); 1443 ext4_commit_super(sb, es, 1);
1425 if (test_opt(sb, DEBUG)) 1444 if (test_opt(sb, DEBUG))
@@ -1431,9 +1450,13 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
1431 EXT4_INODES_PER_GROUP(sb), 1450 EXT4_INODES_PER_GROUP(sb),
1432 sbi->s_mount_opt); 1451 sbi->s_mount_opt);
1433 1452
1434 printk(KERN_INFO "EXT4 FS on %s, %s journal on %s\n", 1453 if (EXT4_SB(sb)->s_journal) {
1435 sb->s_id, EXT4_SB(sb)->s_journal->j_inode ? "internal" : 1454 printk(KERN_INFO "EXT4 FS on %s, %s journal on %s\n",
1436 "external", EXT4_SB(sb)->s_journal->j_devname); 1455 sb->s_id, EXT4_SB(sb)->s_journal->j_inode ? "internal" :
1456 "external", EXT4_SB(sb)->s_journal->j_devname);
1457 } else {
1458 printk(KERN_INFO "EXT4 FS on %s, no journal\n", sb->s_id);
1459 }
1437 return res; 1460 return res;
1438} 1461}
1439 1462
@@ -1867,6 +1890,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
1867 unsigned long def_mount_opts; 1890 unsigned long def_mount_opts;
1868 struct inode *root; 1891 struct inode *root;
1869 char *cp; 1892 char *cp;
1893 const char *descr;
1870 int ret = -EINVAL; 1894 int ret = -EINVAL;
1871 int blocksize; 1895 int blocksize;
1872 int db_count; 1896 int db_count;
@@ -2278,21 +2302,23 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
2278 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; 2302 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
2279 es->s_state |= cpu_to_le16(EXT4_ERROR_FS); 2303 es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
2280 ext4_commit_super(sb, es, 1); 2304 ext4_commit_super(sb, es, 1);
2281 printk(KERN_CRIT
2282 "EXT4-fs (device %s): mount failed\n",
2283 sb->s_id);
2284 goto failed_mount4; 2305 goto failed_mount4;
2285 } 2306 }
2286 } 2307 }
2287 } else if (journal_inum) { 2308 } else if (journal_inum) {
2288 if (ext4_create_journal(sb, es, journal_inum)) 2309 if (ext4_create_journal(sb, es, journal_inum))
2289 goto failed_mount3; 2310 goto failed_mount3;
2311 } else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
2312 EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
2313 printk(KERN_ERR "EXT4-fs: required journal recovery "
2314 "suppressed and not mounted read-only\n");
2315 goto failed_mount4;
2290 } else { 2316 } else {
2291 if (!silent) 2317 clear_opt(sbi->s_mount_opt, DATA_FLAGS);
2292 printk(KERN_ERR 2318 set_opt(sbi->s_mount_opt, WRITEBACK_DATA);
2293 "ext4: No journal on filesystem on %s\n", 2319 sbi->s_journal = NULL;
2294 sb->s_id); 2320 needs_recovery = 0;
2295 goto failed_mount3; 2321 goto no_journal;
2296 } 2322 }
2297 2323
2298 if (ext4_blocks_count(es) > 0xffffffffULL && 2324 if (ext4_blocks_count(es) > 0xffffffffULL &&
@@ -2344,6 +2370,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
2344 break; 2370 break;
2345 } 2371 }
2346 2372
2373no_journal:
2374
2347 if (test_opt(sb, NOBH)) { 2375 if (test_opt(sb, NOBH)) {
2348 if (!(test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)) { 2376 if (!(test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)) {
2349 printk(KERN_WARNING "EXT4-fs: Ignoring nobh option - " 2377 printk(KERN_WARNING "EXT4-fs: Ignoring nobh option - "
@@ -2428,13 +2456,22 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
2428 EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; 2456 EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS;
2429 ext4_orphan_cleanup(sb, es); 2457 ext4_orphan_cleanup(sb, es);
2430 EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS; 2458 EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS;
2431 if (needs_recovery) 2459 if (needs_recovery) {
2432 printk(KERN_INFO "EXT4-fs: recovery complete.\n"); 2460 printk(KERN_INFO "EXT4-fs: recovery complete.\n");
2433 ext4_mark_recovery_complete(sb, es); 2461 ext4_mark_recovery_complete(sb, es);
2434 printk(KERN_INFO "EXT4-fs: mounted filesystem with %s data mode.\n", 2462 }
2435 test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA ? "journal": 2463 if (EXT4_SB(sb)->s_journal) {
2436 test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered": 2464 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
2437 "writeback"); 2465 descr = " journalled data mode";
2466 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
2467 descr = " ordered data mode";
2468 else
2469 descr = " writeback data mode";
2470 } else
2471 descr = "out journal";
2472
2473 printk(KERN_INFO "EXT4-fs: mounted filesystem %s with%s\n",
2474 sb->s_id, descr);
2438 2475
2439 lock_kernel(); 2476 lock_kernel();
2440 return 0; 2477 return 0;
@@ -2446,8 +2483,11 @@ cantfind_ext4:
2446 goto failed_mount; 2483 goto failed_mount;
2447 2484
2448failed_mount4: 2485failed_mount4:
2449 jbd2_journal_destroy(sbi->s_journal); 2486 printk(KERN_ERR "EXT4-fs (device %s): mount failed\n", sb->s_id);
2450 sbi->s_journal = NULL; 2487 if (sbi->s_journal) {
2488 jbd2_journal_destroy(sbi->s_journal);
2489 sbi->s_journal = NULL;
2490 }
2451failed_mount3: 2491failed_mount3:
2452 percpu_counter_destroy(&sbi->s_freeblocks_counter); 2492 percpu_counter_destroy(&sbi->s_freeblocks_counter);
2453 percpu_counter_destroy(&sbi->s_freeinodes_counter); 2493 percpu_counter_destroy(&sbi->s_freeinodes_counter);
@@ -2508,6 +2548,8 @@ static journal_t *ext4_get_journal(struct super_block *sb,
2508 struct inode *journal_inode; 2548 struct inode *journal_inode;
2509 journal_t *journal; 2549 journal_t *journal;
2510 2550
2551 BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
2552
2511 /* First, test for the existence of a valid inode on disk. Bad 2553 /* First, test for the existence of a valid inode on disk. Bad
2512 * things happen if we iget() an unused inode, as the subsequent 2554 * things happen if we iget() an unused inode, as the subsequent
2513 * iput() will try to delete it. */ 2555 * iput() will try to delete it. */
@@ -2556,6 +2598,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
2556 struct ext4_super_block *es; 2598 struct ext4_super_block *es;
2557 struct block_device *bdev; 2599 struct block_device *bdev;
2558 2600
2601 BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
2602
2559 bdev = ext4_blkdev_get(j_dev); 2603 bdev = ext4_blkdev_get(j_dev);
2560 if (bdev == NULL) 2604 if (bdev == NULL)
2561 return NULL; 2605 return NULL;
@@ -2643,6 +2687,8 @@ static int ext4_load_journal(struct super_block *sb,
2643 int err = 0; 2687 int err = 0;
2644 int really_read_only; 2688 int really_read_only;
2645 2689
2690 BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
2691
2646 if (journal_devnum && 2692 if (journal_devnum &&
2647 journal_devnum != le32_to_cpu(es->s_journal_dev)) { 2693 journal_devnum != le32_to_cpu(es->s_journal_dev)) {
2648 printk(KERN_INFO "EXT4-fs: external journal device major/minor " 2694 printk(KERN_INFO "EXT4-fs: external journal device major/minor "
@@ -2817,6 +2863,10 @@ static void ext4_mark_recovery_complete(struct super_block *sb,
2817{ 2863{
2818 journal_t *journal = EXT4_SB(sb)->s_journal; 2864 journal_t *journal = EXT4_SB(sb)->s_journal;
2819 2865
2866 if (!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL)) {
2867 BUG_ON(journal != NULL);
2868 return;
2869 }
2820 jbd2_journal_lock_updates(journal); 2870 jbd2_journal_lock_updates(journal);
2821 if (jbd2_journal_flush(journal) < 0) 2871 if (jbd2_journal_flush(journal) < 0)
2822 goto out; 2872 goto out;
@@ -2846,6 +2896,8 @@ static void ext4_clear_journal_err(struct super_block *sb,
2846 int j_errno; 2896 int j_errno;
2847 const char *errstr; 2897 const char *errstr;
2848 2898
2899 BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
2900
2849 journal = EXT4_SB(sb)->s_journal; 2901 journal = EXT4_SB(sb)->s_journal;
2850 2902
2851 /* 2903 /*
@@ -2878,14 +2930,17 @@ static void ext4_clear_journal_err(struct super_block *sb,
2878int ext4_force_commit(struct super_block *sb) 2930int ext4_force_commit(struct super_block *sb)
2879{ 2931{
2880 journal_t *journal; 2932 journal_t *journal;
2881 int ret; 2933 int ret = 0;
2882 2934
2883 if (sb->s_flags & MS_RDONLY) 2935 if (sb->s_flags & MS_RDONLY)
2884 return 0; 2936 return 0;
2885 2937
2886 journal = EXT4_SB(sb)->s_journal; 2938 journal = EXT4_SB(sb)->s_journal;
2887 sb->s_dirt = 0; 2939 if (journal) {
2888 ret = ext4_journal_force_commit(journal); 2940 sb->s_dirt = 0;
2941 ret = ext4_journal_force_commit(journal);
2942 }
2943
2889 return ret; 2944 return ret;
2890} 2945}
2891 2946
@@ -2897,9 +2952,13 @@ int ext4_force_commit(struct super_block *sb)
2897 */ 2952 */
2898static void ext4_write_super(struct super_block *sb) 2953static void ext4_write_super(struct super_block *sb)
2899{ 2954{
2900 if (mutex_trylock(&sb->s_lock) != 0) 2955 if (EXT4_SB(sb)->s_journal) {
2901 BUG(); 2956 if (mutex_trylock(&sb->s_lock) != 0)
2902 sb->s_dirt = 0; 2957 BUG();
2958 sb->s_dirt = 0;
2959 } else {
2960 ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
2961 }
2903} 2962}
2904 2963
2905static int ext4_sync_fs(struct super_block *sb, int wait) 2964static int ext4_sync_fs(struct super_block *sb, int wait)
@@ -2908,10 +2967,14 @@ static int ext4_sync_fs(struct super_block *sb, int wait)
2908 2967
2909 trace_mark(ext4_sync_fs, "dev %s wait %d", sb->s_id, wait); 2968 trace_mark(ext4_sync_fs, "dev %s wait %d", sb->s_id, wait);
2910 sb->s_dirt = 0; 2969 sb->s_dirt = 0;
2911 if (wait) 2970 if (EXT4_SB(sb)->s_journal) {
2912 ret = ext4_force_commit(sb); 2971 if (wait)
2913 else 2972 ret = ext4_force_commit(sb);
2914 jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, NULL); 2973 else
2974 jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, NULL);
2975 } else {
2976 ext4_commit_super(sb, EXT4_SB(sb)->s_es, wait);
2977 }
2915 return ret; 2978 return ret;
2916} 2979}
2917 2980
@@ -2926,15 +2989,17 @@ static void ext4_write_super_lockfs(struct super_block *sb)
2926 if (!(sb->s_flags & MS_RDONLY)) { 2989 if (!(sb->s_flags & MS_RDONLY)) {
2927 journal_t *journal = EXT4_SB(sb)->s_journal; 2990 journal_t *journal = EXT4_SB(sb)->s_journal;
2928 2991
2929 /* Now we set up the journal barrier. */ 2992 if (journal) {
2930 jbd2_journal_lock_updates(journal); 2993 /* Now we set up the journal barrier. */
2994 jbd2_journal_lock_updates(journal);
2931 2995
2932 /* 2996 /*
2933 * We don't want to clear needs_recovery flag when we failed 2997 * We don't want to clear needs_recovery flag when we
2934 * to flush the journal. 2998 * failed to flush the journal.
2935 */ 2999 */
2936 if (jbd2_journal_flush(journal) < 0) 3000 if (jbd2_journal_flush(journal) < 0)
2937 return; 3001 return;
3002 }
2938 3003
2939 /* Journal blocked and flushed, clear needs_recovery flag. */ 3004 /* Journal blocked and flushed, clear needs_recovery flag. */
2940 EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER); 3005 EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
@@ -2948,7 +3013,7 @@ static void ext4_write_super_lockfs(struct super_block *sb)
2948 */ 3013 */
2949static void ext4_unlockfs(struct super_block *sb) 3014static void ext4_unlockfs(struct super_block *sb)
2950{ 3015{
2951 if (!(sb->s_flags & MS_RDONLY)) { 3016 if (EXT4_SB(sb)->s_journal && !(sb->s_flags & MS_RDONLY)) {
2952 lock_super(sb); 3017 lock_super(sb);
2953 /* Reser the needs_recovery flag before the fs is unlocked. */ 3018 /* Reser the needs_recovery flag before the fs is unlocked. */
2954 EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER); 3019 EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
@@ -2999,7 +3064,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
2999 3064
3000 es = sbi->s_es; 3065 es = sbi->s_es;
3001 3066
3002 ext4_init_journal_params(sb, sbi->s_journal); 3067 if (sbi->s_journal)
3068 ext4_init_journal_params(sb, sbi->s_journal);
3003 3069
3004 if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY) || 3070 if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY) ||
3005 n_blocks_count > ext4_blocks_count(es)) { 3071 n_blocks_count > ext4_blocks_count(es)) {
@@ -3028,9 +3094,11 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
3028 * We have to unlock super so that we can wait for 3094 * We have to unlock super so that we can wait for
3029 * transactions. 3095 * transactions.
3030 */ 3096 */
3031 unlock_super(sb); 3097 if (sbi->s_journal) {
3032 ext4_mark_recovery_complete(sb, es); 3098 unlock_super(sb);
3033 lock_super(sb); 3099 ext4_mark_recovery_complete(sb, es);
3100 lock_super(sb);
3101 }
3034 } else { 3102 } else {
3035 __le32 ret; 3103 __le32 ret;
3036 if ((ret = EXT4_HAS_RO_COMPAT_FEATURE(sb, 3104 if ((ret = EXT4_HAS_RO_COMPAT_FEATURE(sb,
@@ -3084,7 +3152,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
3084 * been changed by e2fsck since we originally mounted 3152 * been changed by e2fsck since we originally mounted
3085 * the partition.) 3153 * the partition.)
3086 */ 3154 */
3087 ext4_clear_journal_err(sb, es); 3155 if (sbi->s_journal)
3156 ext4_clear_journal_err(sb, es);
3088 sbi->s_mount_state = le16_to_cpu(es->s_state); 3157 sbi->s_mount_state = le16_to_cpu(es->s_state);
3089 if ((err = ext4_group_extend(sb, es, n_blocks_count))) 3158 if ((err = ext4_group_extend(sb, es, n_blocks_count)))
3090 goto restore_opts; 3159 goto restore_opts;
@@ -3092,6 +3161,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
3092 sb->s_flags &= ~MS_RDONLY; 3161 sb->s_flags &= ~MS_RDONLY;
3093 } 3162 }
3094 } 3163 }
3164 if (sbi->s_journal == NULL)
3165 ext4_commit_super(sb, es, 1);
3166
3095#ifdef CONFIG_QUOTA 3167#ifdef CONFIG_QUOTA
3096 /* Release old quota file names */ 3168 /* Release old quota file names */
3097 for (i = 0; i < MAXQUOTAS; i++) 3169 for (i = 0; i < MAXQUOTAS; i++)
@@ -3368,7 +3440,8 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
3368 * When we journal data on quota file, we have to flush journal to see 3440 * When we journal data on quota file, we have to flush journal to see
3369 * all updates to the file when we bypass pagecache... 3441 * all updates to the file when we bypass pagecache...
3370 */ 3442 */
3371 if (ext4_should_journal_data(path.dentry->d_inode)) { 3443 if (EXT4_SB(sb)->s_journal &&
3444 ext4_should_journal_data(path.dentry->d_inode)) {
3372 /* 3445 /*
3373 * We don't need to lock updates but journal_flush() could 3446 * We don't need to lock updates but journal_flush() could
3374 * otherwise be livelocked... 3447 * otherwise be livelocked...
@@ -3442,7 +3515,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
3442 struct buffer_head *bh; 3515 struct buffer_head *bh;
3443 handle_t *handle = journal_current_handle(); 3516 handle_t *handle = journal_current_handle();
3444 3517
3445 if (!handle) { 3518 if (EXT4_SB(sb)->s_journal && !handle) {
3446 printk(KERN_WARNING "EXT4-fs: Quota write (off=%llu, len=%llu)" 3519 printk(KERN_WARNING "EXT4-fs: Quota write (off=%llu, len=%llu)"
3447 " cancelled because transaction is not started.\n", 3520 " cancelled because transaction is not started.\n",
3448 (unsigned long long)off, (unsigned long long)len); 3521 (unsigned long long)off, (unsigned long long)len);
@@ -3467,7 +3540,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
3467 flush_dcache_page(bh->b_page); 3540 flush_dcache_page(bh->b_page);
3468 unlock_buffer(bh); 3541 unlock_buffer(bh);
3469 if (journal_quota) 3542 if (journal_quota)
3470 err = ext4_journal_dirty_metadata(handle, bh); 3543 err = ext4_handle_dirty_metadata(handle, NULL, bh);
3471 else { 3544 else {
3472 /* Always do at least ordered writes for quotas */ 3545 /* Always do at least ordered writes for quotas */
3473 err = ext4_jbd2_file_inode(handle, inode); 3546 err = ext4_jbd2_file_inode(handle, inode);
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 9b4a368c5728..157ce6589c54 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -457,7 +457,7 @@ static void ext4_xattr_update_super_block(handle_t *handle,
457 if (ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh) == 0) { 457 if (ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh) == 0) {
458 EXT4_SET_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR); 458 EXT4_SET_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR);
459 sb->s_dirt = 1; 459 sb->s_dirt = 1;
460 ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh); 460 ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
461 } 461 }
462} 462}
463 463
@@ -487,9 +487,9 @@ ext4_xattr_release_block(handle_t *handle, struct inode *inode,
487 ext4_forget(handle, 1, inode, bh, bh->b_blocknr); 487 ext4_forget(handle, 1, inode, bh, bh->b_blocknr);
488 } else { 488 } else {
489 le32_add_cpu(&BHDR(bh)->h_refcount, -1); 489 le32_add_cpu(&BHDR(bh)->h_refcount, -1);
490 error = ext4_journal_dirty_metadata(handle, bh); 490 error = ext4_handle_dirty_metadata(handle, inode, bh);
491 if (IS_SYNC(inode)) 491 if (IS_SYNC(inode))
492 handle->h_sync = 1; 492 ext4_handle_sync(handle);
493 DQUOT_FREE_BLOCK(inode, 1); 493 DQUOT_FREE_BLOCK(inode, 1);
494 ea_bdebug(bh, "refcount now=%d; releasing", 494 ea_bdebug(bh, "refcount now=%d; releasing",
495 le32_to_cpu(BHDR(bh)->h_refcount)); 495 le32_to_cpu(BHDR(bh)->h_refcount));
@@ -724,8 +724,9 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
724 if (error == -EIO) 724 if (error == -EIO)
725 goto bad_block; 725 goto bad_block;
726 if (!error) 726 if (!error)
727 error = ext4_journal_dirty_metadata(handle, 727 error = ext4_handle_dirty_metadata(handle,
728 bs->bh); 728 inode,
729 bs->bh);
729 if (error) 730 if (error)
730 goto cleanup; 731 goto cleanup;
731 goto inserted; 732 goto inserted;
@@ -794,8 +795,9 @@ inserted:
794 ea_bdebug(new_bh, "reusing; refcount now=%d", 795 ea_bdebug(new_bh, "reusing; refcount now=%d",
795 le32_to_cpu(BHDR(new_bh)->h_refcount)); 796 le32_to_cpu(BHDR(new_bh)->h_refcount));
796 unlock_buffer(new_bh); 797 unlock_buffer(new_bh);
797 error = ext4_journal_dirty_metadata(handle, 798 error = ext4_handle_dirty_metadata(handle,
798 new_bh); 799 inode,
800 new_bh);
799 if (error) 801 if (error)
800 goto cleanup_dquot; 802 goto cleanup_dquot;
801 } 803 }
@@ -833,7 +835,8 @@ getblk_failed:
833 set_buffer_uptodate(new_bh); 835 set_buffer_uptodate(new_bh);
834 unlock_buffer(new_bh); 836 unlock_buffer(new_bh);
835 ext4_xattr_cache_insert(new_bh); 837 ext4_xattr_cache_insert(new_bh);
836 error = ext4_journal_dirty_metadata(handle, new_bh); 838 error = ext4_handle_dirty_metadata(handle,
839 inode, new_bh);
837 if (error) 840 if (error)
838 goto cleanup; 841 goto cleanup;
839 } 842 }
@@ -1040,7 +1043,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
1040 */ 1043 */
1041 is.iloc.bh = NULL; 1044 is.iloc.bh = NULL;
1042 if (IS_SYNC(inode)) 1045 if (IS_SYNC(inode))
1043 handle->h_sync = 1; 1046 ext4_handle_sync(handle);
1044 } 1047 }
1045 1048
1046cleanup: 1049cleanup:
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-14 10:55:32 -0500