From: NeilBrown <neilb@cse.unsw.edu.au>
Date: Fri, 9 Sep 2005 23:23:40 +0000 (-0700)
Subject: [PATCH] md: fix minor error in raid10 read-balancing calculation.
X-Git-Tag: v2.6.14-rc1~255
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ec67ac1a399d576d48b0736096bcce7721fe3cf;p=pandora-kernel.git

[PATCH] md: fix minor error in raid10 read-balancing calculation.

'this_sector' is a virtual (array) address while 'head_position' is a physical
(device) address, so substraction doesn't make any sense.  devs[slot].addr
should be used instead of this_sector.

However, this patch doesn't make much practical different to the read
balancing due to the effects of later code.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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