btrfs: drop uuid_mutex in btrfs_destroy_dev_replace_tgtdev
commitab5c2f65debc23d6f76cbb7e743ff4d10e66dce0
authorAnand Jain <anand.jain@oracle.com>
Thu, 12 Apr 2018 02:29:37 +0000 (12 10:29 +0800)
committerDavid Sterba <dsterba@suse.com>
Mon, 28 May 2018 16:23:17 +0000 (28 18:23 +0200)
tree4ed95c20dab0f4c8cd2e42978798749bdd725c0a
parentb25e59e2b2ee394a2a7e981b99cbd92ef6c8be85
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>
fs/btrfs/volumes.c