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| author | Ingo Molnar <mingo@elte.hu> | 2006-01-09 15:59:25 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@hera.kernel.org> | 2006-01-09 15:59:25 -0800 |
| commit | 7892f2f48d165a34b0b8130c8a195dfd807b8cb6 (patch) | |
| tree | 592b29350c168aa5758700820ab22fb56e72a567 /fs/super.c | |
| parent | 1b1dcc1b57a49136f118a0f16367256ff9994a69 (diff) | |
| download | lwn-7892f2f48d165a34b0b8130c8a195dfd807b8cb6.tar.gz lwn-7892f2f48d165a34b0b8130c8a195dfd807b8cb6.zip | |
[PATCH] mutex subsystem, semaphore to mutex: VFS, sb->s_lock
This patch converts the superblock-lock semaphore to a mutex, affecting
lock_super()/unlock_super(). Tested on ext3 and XFS.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/super.c')
| -rw-r--r-- | fs/super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c index 0a30e51692cf..c177b92419c5 100644 --- a/fs/super.c +++ b/fs/super.c @@ -72,7 +72,7 @@ static struct super_block *alloc_super(void) INIT_HLIST_HEAD(&s->s_anon); INIT_LIST_HEAD(&s->s_inodes); init_rwsem(&s->s_umount); - sema_init(&s->s_lock, 1); + mutex_init(&s->s_lock); down_write(&s->s_umount); s->s_count = S_BIAS; atomic_set(&s->s_active, 1); |