From: Heinz Mauelshagen <hjm@redhat.com>
Date: Wed, 9 May 2007 09:33:00 +0000 (-0700)
Subject: dm io: prepare for new interface
X-Git-Tag: v2.6.22-rc1~300
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=891ce207011d3d9219f79fd5114c8594bbacc653;p=pandora-kernel.git

dm io: prepare for new interface

Introduce struct dm_io_client to prepare for per-client mempools and bio_sets.

Temporary functions bios() and io_pool() choose between the per-client
structures and the global ones so the old and new interfaces can co-exist.

Make error_bits optional.

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

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