e7ff6aed87
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>