From: Tejun Heo <tj@kernel.org>
Date: Fri, 22 May 2015 21:13:54 +0000 (-0400)
Subject: writeback: make bdi_start_background_writeback() take bdi_writeback instead of backin... 
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~117^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ecf4866c018aeb304a7b49216c4d183665becb7;p=pandora-kernel.git

writeback: make bdi_start_background_writeback() take bdi_writeback instead of backing_dev_info

bdi_start_background_writeback() currently takes @bdi and kicks the
root wb (bdi_writeback).  In preparation for cgroup writeback support,
make it take wb instead.

This patch doesn't make any functional difference.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

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