btrfs: fix wrong allocating flag when reading page
authorItaru Kitayama <kitayama@cl.bb4u.ne.jp>
Mon, 25 Apr 2011 23:43:51 +0000 (19:43 -0400)
committerChris Mason <chris.mason@oracle.com>
Mon, 25 Apr 2011 23:43:51 +0000 (19:43 -0400)
commit43e817a1fdda17f3357602ed7964c248c8c53ae0
treea6064abb7f4a4eecc6c6fbbb37a0a53ede93c979
parenta62f44a5f47ce45e524b55f91542dc386c6de7ef
btrfs: fix wrong allocating flag when reading page

the space cache use extent_readpages() to read free space information,
so we can not use GFP_KERNEL flag to allocate memory, or it may lead
to deadlock.

Signed-off-by: Itaru Kitayama <kitayama@cl.bb4u.ne.jp>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent_io.c