From: Ilya Dryomov <idryomov@gmail.com>
Date: Sun, 3 Nov 2013 17:06:40 +0000 (+0200)
Subject: Btrfs: fix __btrfs_start_workers retval
X-Git-Tag: v3.13-rc1~13^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba69994a40b242bef26ab2683ea84aa29e2e429f;p=pandora-kernel.git

Btrfs: fix __btrfs_start_workers retval

__btrfs_start_workers returns 0 in case it raced with
btrfs_stop_workers and lost the race.  This is wrong because worker in
this case is not allowed to start and is in fact destroyed.  Return
-EINVAL instead.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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