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| author | David Chinner <dgc@sgi.com> | 2007-01-10 23:15:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-11 18:18:21 -0800 |
| commit | f73ca1b76c6880b934d3ef566c1592efc80bb759 (patch) | |
| tree | c9384ef5ff0ba68817858afdcc330e8707b11ec9 /fs/super.c | |
| parent | 88bf7b391dca840f03fe25e4ff8fe6b4319fa07b (diff) | |
| download | lwn-f73ca1b76c6880b934d3ef566c1592efc80bb759.tar.gz lwn-f73ca1b76c6880b934d3ef566c1592efc80bb759.zip | |
[PATCH] Revert bd_mount_mutex back to a semaphore
Revert bd_mount_mutex back to a semaphore so that xfs_freeze -f /mnt/newtest;
xfs_freeze -u /mnt/newtest works safely and doesn't produce lockdep warnings.
(XFS unlocks the semaphore from a different task, by design. The mutex
code warns about this)
Signed-off-by: Dave Chinner <dgc@sgi.com>
Cc: 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/super.c')
| -rw-r--r-- | fs/super.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/super.c b/fs/super.c index f961e0307997..3e7458c2bb76 100644 --- a/fs/super.c +++ b/fs/super.c @@ -753,9 +753,9 @@ int get_sb_bdev(struct file_system_type *fs_type, * will protect the lockfs code from trying to start a snapshot * while we are mounting */ - mutex_lock(&bdev->bd_mount_mutex); + down(&bdev->bd_mount_sem); s = sget(fs_type, test_bdev_super, set_bdev_super, bdev); - mutex_unlock(&bdev->bd_mount_mutex); + up(&bdev->bd_mount_sem); if (IS_ERR(s)) goto error_s; |