From: Christoph Hellwig <hch@lst.de>
Date: Sun, 15 Apr 2018 14:52:37 +0000 (+0200)
Subject: scsi: scsi_transport_sas: don't bounce highmem pages for the smp handler
X-Git-Tag: for-linus-20180616~8^2~172
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=63aed100e2416256c8830285174a08a0cfb47aad;p=linux-block.git

scsi: scsi_transport_sas: don't bounce highmem pages for the smp handler

All three instance of ->smp_handler deal with highmem backed requests
just fine.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 08acbabfae07..a22baf206071 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -223,10 +223,6 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
 		to_sas_host_attrs(shost)->q = q;
 	}
 
-	/*
-	 * by default assume old behaviour and bounce for any highmem page
-	 */
-	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
 	blk_queue_flag_set(QUEUE_FLAG_BIDI, q);
 	return 0;
 }