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: NAnand Jain <anand.jain@oracle.com> Reviewed-by: NDavid Sterba <dsterba@suse.com> [ update changelog ] Signed-off-by: NDavid Sterba <dsterba@suse.com>
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