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Btrfs: don't auto defrag a file when doing directIO
authorMiao Xie <miaox@cn.fujitsu.com>
Wed, 5 Dec 2012 10:52:48 +0000 (10:52 +0000)
committerChris Mason <chris.mason@fusionio.com>
Mon, 17 Dec 2012 01:46:18 +0000 (20:46 -0500)
If we runt the direct IO, we should not run auto defrag, because it may
introduce buffered IO vs direcIO problem, and make direct IO slow down.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
fs/btrfs/inode.c patch | blob | history

diff --cc fs/btrfs/inode.c
Simple merge
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