diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 5f0f559d3b9..d16bb5b8078 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -73,7 +73,7 @@ union map_info *dm_get_mapinfo(struct bio *bio) struct mapped_device { struct rw_semaphore io_lock; - struct semaphore suspend_lock; + struct mutex suspend_lock; spinlock_t pushback_lock; rwlock_t map_lock; atomic_t holders; @@ -994,7 +994,7 @@ static struct mapped_device *alloc_dev(int minor) memset(md, 0, sizeof(*md)); init_rwsem(&md->io_lock); - init_MUTEX(&md->suspend_lock); + mutex_init(&md->suspend_lock); spin_lock_init(&md->pushback_lock); rwlock_init(&md->map_lock); atomic_set(&md->holders, 1); @@ -1282,7 +1282,7 @@ int dm_swap_table(struct mapped_device *md, struct dm_table *table) { int r = -EINVAL; - down(&md->suspend_lock); + mutex_lock(&md->suspend_lock); /* device must be suspended */ if (!dm_suspended(md)) @@ -1297,7 +1297,7 @@ int dm_swap_table(struct mapped_device *md, struct dm_table *table) r = __bind(md, table); out: - up(&md->suspend_lock); + mutex_unlock(&md->suspend_lock); return r; } @@ -1353,7 +1353,7 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags) int do_lockfs = suspend_flags & DM_SUSPEND_LOCKFS_FLAG ? 1 : 0; int noflush = suspend_flags & DM_SUSPEND_NOFLUSH_FLAG ? 1 : 0; - down(&md->suspend_lock); + mutex_lock(&md->suspend_lock); if (dm_suspended(md)) goto out_unlock; @@ -1475,7 +1475,7 @@ out: dm_table_put(map); out_unlock: - up(&md->suspend_lock); + mutex_unlock(&md->suspend_lock); return r; } @@ -1485,7 +1485,7 @@ int dm_resume(struct mapped_device *md) struct bio *def; struct dm_table *map = NULL; - down(&md->suspend_lock); + mutex_lock(&md->suspend_lock); if (!dm_suspended(md)) goto out; @@ -1521,7 +1521,7 @@ int dm_resume(struct mapped_device *md) out: dm_table_put(map); - up(&md->suspend_lock); + mutex_unlock(&md->suspend_lock); return r; } |