From 49db041430e8a856dbc3af15430bf068f1c74655 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 15 Sep 2009 21:27:40 +0200
Subject: [PATCH] writeback: use schedule_timeout_interruptible()

Gets rid of a manual set_current_state().

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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