From: Christoph Hellwig <hch@lst.de>
Date: Wed, 24 Feb 2010 20:22:25 +0000 (-0600)
Subject: virtio_blk: add block topology support
X-Git-Tag: v2.6.34-rc1~294^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69740c8ba878f58bc3c71f74618fc2cd1da990da;p=pandora-kernel.git

virtio_blk: add block topology support

Allow reading various alignment values from the config page.  This
allows the guest to much better align I/O requests depending on the
storage topology.

Note that the formats for the config values appear a bit messed up,
but we follow the formats used by ATA and SCSI so they are expected in
the storage world.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

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