From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 24 Apr 2008 20:41:50 +0000 (+0100)
Subject: dm snapshot: fix chunksize sector conversion
X-Git-Tag: v2.6.26-rc1~1064^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=924362629bf5645aee5f49f8a0d0d5b193e65997;p=pandora-kernel.git

dm snapshot: fix chunksize sector conversion

If a snapshot has a smaller chunksize than the page size the
conversion to pages currently returns 0 instead of 1, causing:
kernel BUG in mempool_resize.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: stable@kernel.org
---

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