diff options
| -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 385bed09b0d..f54c5b21f87 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 2d3082854a2..1ad98d48e55 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 394ff36ef8f..be78e9378c0 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 */ |