From: Milan Broz <mbroz@redhat.com>
Date: Mon, 21 Jul 2008 11:00:37 +0000 (+0100)
Subject: dm: introduce merge_bvec_fn
X-Git-Tag: v2.6.27-rc1~956^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6fccb1213ba3d661baeb2a5eee0a9701dc03e1b;p=pandora-kernel.git

dm: introduce merge_bvec_fn

Introduce a bvec merge function for device mapper devices
for dynamic size restrictions.

This code ensures the requested biovec lies within a single
target and then calls a target-specific function to check
against any constraints imposed by underlying devices.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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