From: Wu Fengguang <fengguang.wu@intel.com>
Date: Sat, 23 Apr 2011 17:26:07 +0000 (-0600)
Subject: writeback: avoid extra sync work at enqueue time
X-Git-Tag: v3.1-rc1~228^2~18
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e185dda89d69cde142b48059413a03561f41f78a;p=pandora-kernel.git

writeback: avoid extra sync work at enqueue time

This removes writeback_control.wb_start and does more straightforward
sync livelock prevention by setting .older_than_this to prevent extra
inodes from being enqueued in the first place.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---

Reading git-diff-tree failed