diff options
| author | Arjan van de Ven <arjan@infradead.org> | 2006-07-03 03:25:28 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 18:27:09 -0400 |
| commit | 897c6ff9568bcb102ffc6b465ebe1def0cba829d (patch) | |
| tree | 05e0ea4e39fd5b064bdcab351a468b1f3cb963d5 /include | |
| parent | cf51624999e56c88154b5f7d451a265db6aabff7 (diff) | |
[PATCH] lockdep: annotate sb ->s_umount
The s_umount rwsem needs to be classified as per-superblock since it's
perfectly legit to keep multiple of those recursively in the VFS locking
rules.
Has no effect on non-lockdep kernels.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 0a3ea52d711e..e26de68059af 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h | |||
| @@ -1296,6 +1296,7 @@ struct file_system_type { | |||
| 1296 | struct file_system_type * next; | 1296 | struct file_system_type * next; |
| 1297 | struct list_head fs_supers; | 1297 | struct list_head fs_supers; |
| 1298 | struct lock_class_key s_lock_key; | 1298 | struct lock_class_key s_lock_key; |
| 1299 | struct lock_class_key s_umount_key; | ||
| 1299 | }; | 1300 | }; |
| 1300 | 1301 | ||
| 1301 | extern int get_sb_bdev(struct file_system_type *fs_type, | 1302 | extern int get_sb_bdev(struct file_system_type *fs_type, |