diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-21 15:31:12 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-21 15:31:12 -0400 |
commit | 255f41c59558a346d65a2012420a7573e36dc584 (patch) | |
tree | a802e21e60c7e342ad72319853b64e214091b6a9 /fs/logfs/super.c | |
parent | 9befb55ef51ad69dd67e279b0533d4cbc5e4c6c0 (diff) | |
parent | b6349ac89eacb813f6963f7263da05bc3f483351 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs
* git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs:
[LogFS] Split large truncated into smaller chunks
[LogFS] Set s_bdi
[LogFS] Prevent mempool_destroy NULL pointer dereference
[LogFS] Move assertion
[LogFS] Plug 8 byte information leak
[LogFS] Prevent memory corruption on large deletes
[LogFS] Remove unused method
Fix trivial conflict with added header includes in fs/logfs/super.c
Diffstat (limited to 'fs/logfs/super.c')
-rw-r--r-- | fs/logfs/super.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/logfs/super.c b/fs/logfs/super.c index b60bfac3263c..5866ee6e1327 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include "logfs.h" | 12 | #include "logfs.h" |
13 | #include <linux/bio.h> | 13 | #include <linux/bio.h> |
14 | #include <linux/slab.h> | 14 | #include <linux/slab.h> |
15 | #include <linux/blkdev.h> | ||
15 | #include <linux/mtd/mtd.h> | 16 | #include <linux/mtd/mtd.h> |
16 | #include <linux/statfs.h> | 17 | #include <linux/statfs.h> |
17 | #include <linux/buffer_head.h> | 18 | #include <linux/buffer_head.h> |
@@ -137,6 +138,10 @@ static int logfs_sb_set(struct super_block *sb, void *_super) | |||
137 | sb->s_fs_info = super; | 138 | sb->s_fs_info = super; |
138 | sb->s_mtd = super->s_mtd; | 139 | sb->s_mtd = super->s_mtd; |
139 | sb->s_bdev = super->s_bdev; | 140 | sb->s_bdev = super->s_bdev; |
141 | if (sb->s_bdev) | ||
142 | sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info; | ||
143 | if (sb->s_mtd) | ||
144 | sb->s_bdi = sb->s_mtd->backing_dev_info; | ||
140 | return 0; | 145 | return 0; |
141 | } | 146 | } |
142 | 147 | ||
@@ -452,6 +457,8 @@ static int logfs_read_sb(struct super_block *sb, int read_only) | |||
452 | 457 | ||
453 | btree_init_mempool64(&super->s_shadow_tree.new, super->s_btree_pool); | 458 | btree_init_mempool64(&super->s_shadow_tree.new, super->s_btree_pool); |
454 | btree_init_mempool64(&super->s_shadow_tree.old, super->s_btree_pool); | 459 | btree_init_mempool64(&super->s_shadow_tree.old, super->s_btree_pool); |
460 | btree_init_mempool32(&super->s_shadow_tree.segment_map, | ||
461 | super->s_btree_pool); | ||
455 | 462 | ||
456 | ret = logfs_init_mapping(sb); | 463 | ret = logfs_init_mapping(sb); |
457 | if (ret) | 464 | if (ret) |
@@ -516,8 +523,8 @@ static void logfs_kill_sb(struct super_block *sb) | |||
516 | if (super->s_erase_page) | 523 | if (super->s_erase_page) |
517 | __free_page(super->s_erase_page); | 524 | __free_page(super->s_erase_page); |
518 | super->s_devops->put_device(sb); | 525 | super->s_devops->put_device(sb); |
519 | mempool_destroy(super->s_btree_pool); | 526 | logfs_mempool_destroy(super->s_btree_pool); |
520 | mempool_destroy(super->s_alias_pool); | 527 | logfs_mempool_destroy(super->s_alias_pool); |
521 | kfree(super); | 528 | kfree(super); |
522 | log_super("LogFS: Finished unmounting\n"); | 529 | log_super("LogFS: Finished unmounting\n"); |
523 | } | 530 | } |