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| author | Ingo Molnar <mingo@elte.hu> | 2006-03-23 03:00:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 07:38:13 -0800 |
| commit | 1d5599e397dcc7c2300d200e66dad326d7dbac38 (patch) | |
| tree | beaa29f23c35375bbff4b5b256e96dd3b13c5728 /fs | |
| parent | 1eb0d67007e75697a7b87e6b611be935a991395c (diff) | |
| download | op-kernel-dev-1d5599e397dcc7c2300d200e66dad326d7dbac38.zip op-kernel-dev-1d5599e397dcc7c2300d200e66dad326d7dbac38.tar.gz | |
[PATCH] sem2mutex: autofs4 wq_sem
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/autofs4/autofs_i.h | 3 | ||||
| -rw-r--r-- | fs/autofs4/inode.c | 2 | ||||
| -rw-r--r-- | fs/autofs4/waitq.c | 16 |
3 files changed, 11 insertions, 10 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 385bed0..f54c5b2 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -13,6 +13,7 @@ /* Internal header file for autofs */ #include <linux/auto_fs4.h> +#include <linux/mutex.h> #include <linux/list.h> /* This is the range of ioctl() numbers we claim as ours */ @@ -102,7 +103,7 @@ struct autofs_sb_info { int reghost_enabled; int needs_reghost; struct super_block *sb; - struct semaphore wq_sem; + struct mutex wq_mutex; spinlock_t fs_lock; struct autofs_wait_queue *queues; /* Wait queue pointer */ }; diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 2d30828..1ad98d4 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -269,7 +269,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) sbi->sb = s; sbi->version = 0; sbi->sub_version = 0; - init_MUTEX(&sbi->wq_sem); + mutex_init(&sbi->wq_mutex); spin_lock_init(&sbi->fs_lock); sbi->queues = NULL; s->s_blocksize = 1024; diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index 394ff36..be78e93 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -178,7 +178,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, return -ENOENT; } - if (down_interruptible(&sbi->wq_sem)) { + if (mutex_lock_interruptible(&sbi->wq_mutex)) { kfree(name); return -EINTR; } @@ -194,7 +194,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, /* Can't wait for an expire if there's no mount */ if (notify == NFY_NONE && !d_mountpoint(dentry)) { kfree(name); - up(&sbi->wq_sem); + mutex_unlock(&sbi->wq_mutex); return -ENOENT; } @@ -202,7 +202,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, wq = kmalloc(sizeof(struct autofs_wait_queue),GFP_KERNEL); if ( !wq ) { kfree(name); - up(&sbi->wq_sem); + mutex_unlock(&sbi->wq_mutex); return -ENOMEM; } @@ -218,10 +218,10 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, wq->status = -EINTR; /* Status return if interrupted */ atomic_set(&wq->wait_ctr, 2); atomic_set(&wq->notified, 1); - up(&sbi->wq_sem); + mutex_unlock(&sbi->wq_mutex); } else { atomic_inc(&wq->wait_ctr); - up(&sbi->wq_sem); + mutex_unlock(&sbi->wq_mutex); kfree(name); DPRINTK("existing wait id = 0x%08lx, name = %.*s, nfy=%d", (unsigned long) wq->wait_queue_token, wq->len, wq->name, notify); @@ -282,19 +282,19 @@ int autofs4_wait_release(struct autofs_sb_info *sbi, autofs_wqt_t wait_queue_tok { struct autofs_wait_queue *wq, **wql; - down(&sbi->wq_sem); + mutex_lock(&sbi->wq_mutex); for ( wql = &sbi->queues ; (wq = *wql) != 0 ; wql = &wq->next ) { if ( wq->wait_queue_token == wait_queue_token ) break; } if ( !wq ) { - up(&sbi->wq_sem); + mutex_unlock(&sbi->wq_mutex); return -EINVAL; } *wql = wq->next; /* Unlink from chain */ - up(&sbi->wq_sem); + mutex_unlock(&sbi->wq_mutex); kfree(wq->name); wq->name = NULL; /* Do not wait on this queue */ |
