From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 25 Oct 2012 09:28:04 +0000 (+0000)
Subject: Btrfs: make delalloc inodes be flushed by multi-task
X-Git-Tag: v3.8-rc1~71^2~104
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ccf6f19b67f7e0921063cc309f4672a6afcb528;p=pandora-kernel.git

Btrfs: make delalloc inodes be flushed by multi-task

This patch introduce a new worker pool named "flush_workers", and if we
want to force all the inode with pending delalloc to the disks, we can
queue those inodes into the work queue of the worker pool, in this way,
those inodes will be flushed by multi-task.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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