From 45fc82642e54018740a25444d1165901501b601b Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 25 Nov 2015 18:26:01 +0800 Subject: [PATCH] xen/blkfront: correct setting for xen_blkif_max_ring_order MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit According to this piece code: " pr_info("Invalid max_ring_order (%d), will use default max: %d.\n", xen_blkif_max_ring_order, XENBUS_MAX_RING_GRANT_ORDER); " if xen_blkif_max_ring_order is bigger that XENBUS_MAX_RING_GRANT_ORDER, need to set xen_blkif_max_ring_order using XENBUS_MAX_RING_GRANT_ORDER, but not 0. Signed-off-by: Peng Fan Cc: Boris Ostrovsky Cc: David Vrabel Cc: "Roger Pau Monné" Signed-off-by: Konrad Rzeszutek Wilk --- drivers/block/xen-blkfront.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 9d46960b7d72..8b0f3d92d8b4 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -2443,7 +2443,7 @@ static int __init xlblk_init(void) if (xen_blkif_max_ring_order > XENBUS_MAX_RING_GRANT_ORDER) { pr_info("Invalid max_ring_order (%d), will use default max: %d.\n", xen_blkif_max_ring_order, XENBUS_MAX_RING_GRANT_ORDER); - xen_blkif_max_ring_order = 0; + xen_blkif_max_ring_order = XENBUS_MAX_RING_GRANT_ORDER; } if (xen_blkif_max_queues > nr_cpus) { -- 2.20.1