Btrfs: drop spin lock when memory alloc fails
authorLiu Bo <liubo2009@cn.fujitsu.com>
Thu, 8 Dec 2011 01:08:40 +0000 (20:08 -0500)
committerChris Mason <chris.mason@oracle.com>
Thu, 8 Dec 2011 13:55:47 +0000 (08:55 -0500)
Drop spin lock in convert_extent_bit() when memory alloc fails,
otherwise, it will be a deadlock.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent_io.c

Simple merge