[PATCH 5/7] btrfs: btrfs_rm_device() does not need uuid_mutex

[Anand Jain <anand.jain@oracle.com>]

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 fs/btrfs/volumes.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2329f429ce40..3d5ed4518f20 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1914,7 +1914,6 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info, const char *device_path,
 	int ret = 0;
 
 	mutex_lock(&fs_info->volume_mutex);
-	mutex_lock(&uuid_mutex);
 
 	num_devices = fs_info->fs_devices->num_devices;
 	btrfs_dev_replace_lock(&fs_info->dev_replace, 0);
@@ -1950,9 +1949,7 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info, const char *device_path,
 		mutex_unlock(&fs_info->chunk_mutex);
 	}
 
-	mutex_unlock(&uuid_mutex);
 	ret = btrfs_shrink_device(device, 0);
-	mutex_lock(&uuid_mutex);
 	if (ret)
 		goto error_undo;
 
@@ -2027,7 +2024,6 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info, const char *device_path,
 	}
 
 out:
-	mutex_unlock(&uuid_mutex);
 	mutex_unlock(&fs_info->volume_mutex);
 	return ret;
 
-- 
2.13.1