From: Amit Gud <amitgud@gmail.com>
Date: Thu, 2 Apr 2009 21:01:27 +0000 (-0400)
Subject: Btrfs: fix race in worker_loop
X-Git-Tag: v2.6.30-rc1~222^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5555f77115bfba3630fefff2d4e68140b644171;p=pandora-kernel.git

Btrfs: fix race in worker_loop

Need to check kthread_should_stop after schedule_timeout() before calling
schedule(). This causes threads to sleep with potentially no one to wake them
up causing mount(2) to hang in btrfs_stop_workers waiting for threads to stop.

Signed-off-by: Amit Gud <gud@ksu.edu>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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