From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933443Ab0I1CF6 (ORCPT ); Mon, 27 Sep 2010 22:05:58 -0400 Received: from nm15-vm0.bullet.mail.ne1.yahoo.com ([98.138.91.70]:35342 "HELO nm15-vm0.bullet.mail.ne1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S933005Ab0I1CF4 (ORCPT ); Mon, 27 Sep 2010 22:05:56 -0400 X-Yahoo-Newman-Id: 245127.77382.bm@omp1011.mail.ne1.yahoo.com X-Yahoo-SMTP: fzDSGlOswBCWnIOrNw7KwwK1j9PqyNbe5PtLKiS4dDU.UNl_t6bdEZu9tTLW X-YMail-OSG: aa3NOUwVM1nlxHGL1GKIprlluhO__4Ga_nSKNohnd9FFI22 JEXc75vo64aj4DIQsUXji.LajwUixRMsYGOKd69zTEPyALptuFBTRiI7DzZj mI.Avz83avWILZHzWfoxA7lsubFi1dQIIrazjhkEnkM8ckoHXoAdJcBV2l5. 5a0RyaVr09Pxa3vpbkLrED.k_bUrkAJtOYldZjORnwqkdSHiLfWrGgRD8UlN isLxf5YcfO1TUClq1CsQVLNLmXj8pb6V3R1fhmdZ2vkQqixPlEiq1yzyzLoM _xQ8nayHMF79KbAPebl2Ar.Rx0N55dtMlOWL95Yn_LMEg X-Yahoo-Newman-Property: ymail-3 From: "Nicholas A. Bellinger" To: linux-scsi , linux-kernel , Vasu Dev , Tim Chen , Andi Kleen , Matthew Wilcox , James Bottomley , Mike Christie , Jens Axboe Cc: James Smart , Andrew Vasquez , FUJITA Tomonori , Hannes Reinecke , Joe Eykholt , Christoph Hellwig , Jon Hawley , MPTFusionLinux , "eata.c maintainer" , Luben Tuikov , mvsas maintainer , pm8001 maintainer Jack Wang , Nicholas Bellinger Subject: [RFC v4 05/19] mvsas: Set SHT->unlocked_qcmd=1 for libsas queuecommand() Date: Mon, 27 Sep 2010 19:05:50 -0700 Message-Id: <1285639550-7304-1-git-send-email-nab@linux-iscsi.org> X-Mailer: git-send-email 1.5.6.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nicholas Bellinger This patch updates mvsas to set struct scsi_host_template->unlocked_qcmd=1 because it is using generic libsas sas_queuecommand() code which now can be run without struct Scsi_Host->host_lock held following the original host_lock unlock -> do_work() -> lock optimization in sas_queuecommand(). Signed-off-by: Nicholas A. Bellinger --- drivers/scsi/mvsas/mv_init.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 19ad34f..7a83e07 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -54,6 +54,7 @@ static struct scsi_host_template mvs_sht = { .can_queue = 1, .cmd_per_lun = 1, .this_id = -1, + .unlocked_qcmd = 1, .sg_tablesize = SG_MX, .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, -- 1.7.3