btrfs_dev_replace_finish() updates devices (soruce and target) which
are within the btrfs_fs_devices::devices or withint the cloned seed
devices (btrfs_fs_devices::seed::devices), so we don't need the global
uuid_mutex.
Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
fs/btrfs/dev-replace.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index ba011af9b0d2..da937eb064aa 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -621,7 +621,6 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info
*fs_info,
ret = btrfs_commit_transaction(trans);
WARN_ON(ret);
- mutex_lock(&uuid_mutex);
/* keep away write_all_supers() during the finishing procedure */
mutex_lock(&fs_info->fs_devices->device_list_mutex);
mutex_lock(&fs_info->chunk_mutex);
@@ -648,7 +647,6 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info
*fs_info,
btrfs_dev_replace_write_unlock(dev_replace);
mutex_unlock(&fs_info->chunk_mutex);
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
- mutex_unlock(&uuid_mutex);
btrfs_rm_dev_replace_blocked(fs_info);
if (tgt_device)
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
@@ -699,7 +697,6 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info
*fs_info,
*/
mutex_unlock(&fs_info->chunk_mutex);
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
- mutex_unlock(&uuid_mutex);
/* replace the sysfs entry */
btrfs_sysfs_rm_device_link(fs_info->fs_devices, src_device);
--
2.7.0
--
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