From: Tejun Heo <tj@kernel.org>
Date: Fri, 22 May 2015 22:23:31 +0000 (-0400)
Subject: writeback: move over_bground_thresh() to mm/page-writeback.c
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~117^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa661bbe1e61ce80ca4ae98804f673ede94b0827;p=pandora-kernel.git

writeback: move over_bground_thresh() to mm/page-writeback.c

and rename it to wb_over_bg_thresh().  The function is closely tied to
the dirty throttling mechanism implemented in page-writeback.c.  This
relocation will allow future updates necessary for cgroup writeback
support.

While at it, add function comment.

This is pure reorganization and doesn't introduce any behavioral
changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Greg Thelen <gthelen@google.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

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