diff options
author | Arjan van de Ven <arjan@infradead.org> | 2006-07-03 07:25:28 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 22:27:09 (GMT) |
commit | 897c6ff9568bcb102ffc6b465ebe1def0cba829d (patch) | |
tree | 05e0ea4e39fd5b064bdcab351a468b1f3cb963d5 /fs | |
parent | cf51624999e56c88154b5f7d451a265db6aabff7 (diff) | |
download | linux-fsl-qoriq-897c6ff9568bcb102ffc6b465ebe1def0cba829d.tar.xz |
[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 'fs')
-rw-r--r-- | fs/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -72,6 +72,7 @@ static struct super_block *alloc_super(struct file_system_type *type) INIT_LIST_HEAD(&s->s_inodes); init_rwsem(&s->s_umount); mutex_init(&s->s_lock); + lockdep_set_class(&s->s_umount, &type->s_umount_key); /* * The locking rules for s_lock are up to the * filesystem. For example ext3fs has different |