mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-15 15:15:47 +00:00
btrfs: drop uuid_mutex in btrfs_destroy_dev_replace_tgtdev
Delete the uuid_mutex lock here as this thread accesses the btrfs_fs_devices::devices only (counters or called functions do a list traversal). And the device_list_mutex lock is already taken. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> [ update changelog ] Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
parent
b25e59e2b2
commit
ab5c2f65de
1 changed files with 0 additions and 2 deletions
|
@ -2152,7 +2152,6 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_fs_info *fs_info,
|
||||||
void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
|
void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
|
||||||
struct btrfs_device *tgtdev)
|
struct btrfs_device *tgtdev)
|
||||||
{
|
{
|
||||||
mutex_lock(&uuid_mutex);
|
|
||||||
WARN_ON(!tgtdev);
|
WARN_ON(!tgtdev);
|
||||||
mutex_lock(&fs_info->fs_devices->device_list_mutex);
|
mutex_lock(&fs_info->fs_devices->device_list_mutex);
|
||||||
|
|
||||||
|
@ -2168,7 +2167,6 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
|
||||||
list_del_rcu(&tgtdev->dev_list);
|
list_del_rcu(&tgtdev->dev_list);
|
||||||
|
|
||||||
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
|
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
|
||||||
mutex_unlock(&uuid_mutex);
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The update_dev_time() with in btrfs_scratch_superblocks()
|
* The update_dev_time() with in btrfs_scratch_superblocks()
|
||||||
|
|
Loading…
Reference in a new issue