linux-kernel - [PATCH 1/5] xen/blkfront: Make sure we don't use bounce buffers, we don't need them.

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Message-ID: <4856DED4.9030402@goop.org>
Date:	Mon, 16 Jun 2008 14:44:52 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ian Campbell <Ian.Campbell@...citrix.com>,
	Xen-devel <xen-devel@...ts.xensource.com>
Subject: [PATCH 1/5] xen/blkfront: Make sure we don't use bounce buffers,
 we don't need them.

From: Ian Campbell <ian.campbell@...source.com>

[ linux-2.6.18-xen changeset 667228bf8fc5 ]

Signed-off-by: Ian Campbell <ian.campbell@...source.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 drivers/block/xen-blkfront.c |    3 +++
 1 file changed, 3 insertions(+)

===================================================================
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -324,6 +324,9 @@
 	/* 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;


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