Btrfs: fix the race between remove dev and alloc chunk
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Wed, 20 Apr 2011 10:08:16 +0000 (10:08 +0000)
committerChris Mason <chris.mason@oracle.com>
Mon, 23 May 2011 17:24:43 +0000 (13:24 -0400)
On remove device path, it updates device->dev_alloc_list but does not hold
chunk lock

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/volumes.c

Simple merge