From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933518Ab0I1CGL (ORCPT ); Mon, 27 Sep 2010 22:06:11 -0400 Received: from smtp102.sbc.mail.re3.yahoo.com ([66.196.96.85]:32373 "HELO smtp102.sbc.mail.re3.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S933466Ab0I1CGH (ORCPT ); Mon, 27 Sep 2010 22:06:07 -0400 X-Yahoo-SMTP: fzDSGlOswBCWnIOrNw7KwwK1j9PqyNbe5PtLKiS4dDU.UNl_t6bdEZu9tTLW X-YMail-OSG: 6LRYiPgVM1mulHpsjAo3v3KgKRhwJbn_48J0dl4pcnJxv5l aVLkeGzs5SHf7J2ZBJ.wlGtRmxr4S8G7H3HHDlwJfTKF8MPLtGnA3Jzy6j7J zg78_0lcOy6d9iODAFtTMV86sT_qA_93olqC955o9D6kBdsUW50CZVSecJNn IxsLdnrFlp8UDvAmH64eyG8666ofnRNeDqCZVsxfKzGELBjN12GLBbnHkryc utg29rLkL539.aNziL1d2TModxV9i1Fu58rFx.gi495etMNuR3YUzMyL48im k8wKsDLDZK8b.36e3n3J5yr89W6AZJpqNpYSKLcQZ1ozLmOny2BtXYIaS8ux Ti7ccEKmrHIR3fg61Buo5REknIjxxSpkwfgfUy_362_aecKShAC0tOKv87P8 gudXG9lDievw_vPIkEPJHGWitCqyJAZIRz3AdU38b 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 06/19] pm8001: Set SHT->unlocked_qcmd=1 for libsas queuecommand() Date: Mon, 27 Sep 2010 19:06:00 -0700 Message-Id: <1285639560-7325-1-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 pm8001 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/pm8001/pm8001_init.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index f8c86b2..96e1dd6 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -69,6 +69,7 @@ static struct scsi_host_template pm8001_sht = { .can_queue = 1, .cmd_per_lun = 1, .this_id = -1, + .unlocked_qcmd = 1, .sg_tablesize = SG_ALL, .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, -- 1.7.3