megaraid_sas: Add an i/o barrier
authorTomas Henzl <thenzl@redhat.com>
Mon, 1 Feb 2016 14:12:04 +0000 (15:12 +0100)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 24 Feb 2016 02:27:02 +0000 (21:27 -0500)
commitb99dbe56d511eb07de33bfa1b99ac5a6ff76ae08
tree8d50a685eac3782317ad1b05e0eaa29771046436
parent19db2307365231e798bb99324ed553bcada57913
megaraid_sas: Add an i/o barrier

A barrier should be added to ensure proper ordering of memory mapped
writes.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Kashyap Desai <kashyap.desai@broadcom.com>
Acked-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/megaraid/megaraid_sas_base.c
drivers/scsi/megaraid/megaraid_sas_fusion.c