From b5555f77115bfba3630fefff2d4e68140b644171 Mon Sep 17 00:00:00 2001
From: Amit Gud <amitgud@gmail.com>
Date: Thu, 2 Apr 2009 17:01:27 -0400
Subject: [PATCH] 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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