From f17625b318d9b151e7bd41e31223e9d89b2aaa77 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 1 Jun 2010 11:05:22 +0200
Subject: [PATCH] Revert "writeback: ensure that WB_SYNC_NONE writeback with sb
 pinned is sync"

This reverts commit 7c8a3554c683f512dbcee26faedb42e4c05f12fa.

We are investigating a hang associated with the WB_SYNC_NONE changes,
so revert them for now.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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