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-rw-r--r--fs/buffer.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 1d3683d496f8..0d6ca7bac6c8 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -201,7 +201,7 @@ int fsync_bdev(struct block_device *bdev)
201 * freeze_bdev -- lock a filesystem and force it into a consistent state 201 * freeze_bdev -- lock a filesystem and force it into a consistent state
202 * @bdev: blockdevice to lock 202 * @bdev: blockdevice to lock
203 * 203 *
204 * This takes the block device bd_mount_sem to make sure no new mounts 204 * This takes the block device bd_mount_mutex to make sure no new mounts
205 * happen on bdev until thaw_bdev() is called. 205 * happen on bdev until thaw_bdev() is called.
206 * If a superblock is found on this device, we take the s_umount semaphore 206 * If a superblock is found on this device, we take the s_umount semaphore
207 * on it to make sure nobody unmounts until the snapshot creation is done. 207 * on it to make sure nobody unmounts until the snapshot creation is done.
@@ -210,7 +210,7 @@ struct super_block *freeze_bdev(struct block_device *bdev)
210{ 210{
211 struct super_block *sb; 211 struct super_block *sb;
212 212
213 down(&bdev->bd_mount_sem); 213 mutex_lock(&bdev->bd_mount_mutex);
214 sb = get_super(bdev); 214 sb = get_super(bdev);
215 if (sb && !(sb->s_flags & MS_RDONLY)) { 215 if (sb && !(sb->s_flags & MS_RDONLY)) {
216 sb->s_frozen = SB_FREEZE_WRITE; 216 sb->s_frozen = SB_FREEZE_WRITE;
@@ -264,7 +264,7 @@ void thaw_bdev(struct block_device *bdev, struct super_block *sb)
264 drop_super(sb); 264 drop_super(sb);
265 } 265 }
266 266
267 up(&bdev->bd_mount_sem); 267 mutex_unlock(&bdev->bd_mount_mutex);
268} 268}
269EXPORT_SYMBOL(thaw_bdev); 269EXPORT_SYMBOL(thaw_bdev);
270 270