From: Shaohua Li <shli@kernel.org>
Date: Tue, 27 Aug 2013 09:50:42 +0000 (+0800)
Subject: raid5: sysfs entry to control worker thread number
X-Git-Tag: v3.12-rc1~71^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b721420e8719131896b009b11edbbd27d9b85e98;p=pandora-kernel.git

raid5: sysfs entry to control worker thread number

Add a sysfs entry to control running workqueue thread number. If
group_thread_cnt is set to 0, we will disable workqueue offload handling of
stripes.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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