From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 30 Aug 2009 02:13:13 +0000 (-0700)
Subject: md/raid456: distribute raid processing over multiple cores
X-Git-Tag: v2.6.32-rc1~60^2^2~33^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07a3b417dc3d00802bd7b4874c3e811f0b015a7d;p=pandora-kernel.git

md/raid456: distribute raid processing over multiple cores

Now that the resources to handle stripe_head operations are allocated
percpu it is possible for raid5d to distribute stripe handling over
multiple cores.  This conversion also adds a call to cond_resched() in
the non-multicore case to prevent one core from getting monopolized for
raid operations.

Cc: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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