From: Heinz Mauelshagen <hjm@redhat.com>
Date: Fri, 8 Dec 2006 10:41:01 +0000 (-0800)
Subject: [PATCH] dm io: fix bi_max_vecs
X-Git-Tag: v2.6.20-rc1~34^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f00b16ad665a9b489d46f612679181f3f914917b;p=pandora-kernel.git

[PATCH] dm io: fix bi_max_vecs

The existing code allocates an extra slot in bi_io_vec[] and uses it to store
the region number.

This patch hides the extra slot from bio_add_page() so the region number can't
get overwritten.

Also remove a hard-coded SECTOR_SHIFT and fix a typo in a comment.

Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: Milan Broz <mbroz@redhat.com>
Cc: dm-devel@redhat.com
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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