From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 13 Dec 2009 04:17:12 +0000 (-0700)
Subject: md: add 'recovery_start' per-device sysfs attribute
X-Git-Tag: v2.6.33-rc1~284^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06e3c817b750c131a20e82eed57a17841ea88ed2;p=pandora-kernel.git

md: add 'recovery_start' per-device sysfs attribute

Enable external metadata arrays to manage rebuild checkpointing via a
md/dev-XXX/recovery_start attribute which reflects rdev->recovery_offset

Also update resync_start_store to allow 'none' to be written, for
consistency.

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