Btrfs: fix endless loop in balancing block groups
authorLiu Bo <bo.li.liu@oracle.com>
Wed, 31 Aug 2016 23:43:33 +0000 (16:43 -0700)
committerDavid Sterba <dsterba@suse.com>
Thu, 1 Sep 2016 15:16:47 +0000 (17:16 +0200)
commita9b1fc851db054ddec703dc7951ed00620600b26
treea1a6ffb52cf194aa5593f848a665ae9bf7fa4c5f
parent3dc09ec895f098cedd789a620c90ff1bf7f779a1
Btrfs: fix endless loop in balancing block groups

Qgroup function may overwrite the saved error 'err' with 0
in case quota is not enabled, and this ends up with a
endless loop in balance because we keep going back to balance
the same block group.

It really should use 'ret' instead.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/relocation.c