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xen/blkfront: Make sure we don't use bounce buffers, we don't need them.
author
Ian Campbell
<ian.campbell@xensource.com>
Tue, 17 Jun 2008 08:47:08 +0000
(10:47 +0200)
committer
Jens Axboe
<jens.axboe@oracle.com>
Thu, 3 Jul 2008 11:21:12 +0000
(13:21 +0200)
[ linux-2.6.18-xen changeset
667228bf8fc5
]
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
drivers/block/xen-blkfront.c
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diff --git
a/drivers/block/xen-blkfront.c
b/drivers/block/xen-blkfront.c
index f2fff5799ddf0fe1b41909b64d606d747f9081f7..e8d3bf6f3918f26a68fdf1096dbb66eff9c5d58f 100644
(file)
--- a/
drivers/block/xen-blkfront.c
+++ b/
drivers/block/xen-blkfront.c
@@
-324,6
+324,9
@@
static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size)
/* Make sure buffer addresses are sector-aligned. */
blk_queue_dma_alignment(rq, 511);
+ /* Make sure we don't use bounce buffers. */
+ blk_queue_bounce_limit(rq, BLK_BOUNCE_ANY);
+
gd->queue = rq;
return 0;