From: NeilBrown <neilb@suse.de>
Date: Wed, 9 Nov 2005 05:39:24 +0000 (-0800)
Subject: [PATCH] md: extend md sysfs support to component devices.
X-Git-Tag: v2.6.15-rc1~98
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86e6ffdd243a06663713e637ee683fb27dce8e0c;p=pandora-kernel.git

[PATCH] md: extend md sysfs support to component devices.

Each device in an md array how has a corresponding
  /sys/block/mdX/md/devNN/
directory which can contain attributes.  Currently there is only 'state' which
summarises the state, nd 'super' which has a copy of the superblock, and
'block' which is a symlink to the block device.

Also, /sys/block/mdX/md/rdNN represents slot 'NN' in the array, and is a
symlink to the relevant 'devNN'.  Obviously spare devices do not have a slot
in the array, and so don't have such a symlink.

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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