From: Tejun Heo <tj@kernel.org>
Date: Wed, 22 Jul 2015 03:50:24 +0000 (-0400)
Subject: ext4: replace ext4_io_submit->io_op with ->io_wbc
X-Git-Tag: omap-for-v4.3/fixes-rc1~107^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a33911fa5ecd7395115df2e27fbd22b73357ac5;p=pandora-kernel.git

ext4: replace ext4_io_submit->io_op with ->io_wbc

ext4_io_submit_init() takes the pointer to writeback_control to test
its sync_mode and determine between WRITE and WRITE_SYNC and records
the result in ->io_op.  This patch makes it record the pointer
directly and moves the test to ext4_io_submit().

This doesn't cause any noticeable differences now but having
writeback_control available throughout IO submission path will be
depended upon by the planned cgroup writeback support.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

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