From: David Chinner <dgc@sgi.com>
Date: Sat, 10 Feb 2007 07:37:46 +0000 (+1100)
Subject: [XFS] Don't use kmap in xfs_iozero.
X-Git-Tag: v2.6.21-rc1~274^2~227^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7ff6aed8761b2c86cd9ab7083e512de2b8cfa48;p=pandora-kernel.git

[XFS] Don't use kmap in xfs_iozero.

kmap() is inefficient and does not scale well. kmap_atomic() is a better
choice. Use the generic wrapper function instead of open coding the
kmap-memset-dcache flush-kunmap stuff.

SGI-PV: 960904
SGI-Modid: xfs-linux-melb:xfs-kern:28041a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
---

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