From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 13 Dec 2009 04:17:06 +0000 (-0700)
Subject: md: rcu_read_lock() walk of mddev->disks in md_do_sync()
X-Git-Tag: v2.6.33-rc1~284^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e59ca7da05f0d5d3ad40365c502c8b0fd24c7e3;p=pandora-kernel.git

md: rcu_read_lock() walk of mddev->disks in md_do_sync()

Other walks of this list are either under rcu_read_lock() or the list
mutation lock (mddev_lock()).  This protects against the improbable case of a
disk being removed from the array at the start of md_do_sync().

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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