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Petersen" , Himanshu Madhani , Quinn Tran , Bart Van Assche CC: Martin Wilck , "linux-scsi@vger.kernel.org" , Hannes Reinecke , James Bottomley , Daniel Wagner Subject: [PATCH v2] fixup "qla2xxx: Optimize NPIV tear down process" Thread-Topic: [PATCH v2] fixup "qla2xxx: Optimize NPIV tear down process" Thread-Index: AQHVeTfrfC+NT3H/1k+pr5kqIwaaNw== Date: Wed, 2 Oct 2019 15:41:56 +0000 Message-ID: <20191002154126.30847-1-martin.wilck@suse.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM3PR07CA0071.eurprd07.prod.outlook.com (2603:10a6:207:4::29) To CH2PR18MB3349.namprd18.prod.outlook.com (2603:10b6:610:28::19) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Martin.Wilck@suse.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.23.0 x-originating-ip: [2.203.223.119] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 56e909f9-2373-4b6f-f9cc-08d7474f0e2c x-ms-traffictypediagnostic: CH2PR18MB3351:|CH2PR18MB3351: x-ms-exchange-purlcount: 1 x-ld-processed: 856b813c-16e5-49a5-85ec-6f081e13b527,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4941; x-forefront-prvs: 0178184651 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(366004)(396003)(136003)(376002)(39860400002)(346002)(189003)(199004)(66556008)(66946007)(66446008)(3846002)(102836004)(64756008)(2906002)(316002)(5660300002)(54906003)(7736002)(26005)(186003)(8676002)(25786009)(110136005)(14454004)(2616005)(44832011)(476003)(8936002)(6506007)(1691005)(36756003)(81166006)(81156014)(386003)(6116002)(52116002)(966005)(66476007)(478600001)(50226002)(486006)(4326008)(66066001)(99286004)(86362001)(1076003)(6436002)(6512007)(71200400001)(256004)(71190400001)(305945005)(6306002)(14444005)(6486002)(6606295002);DIR:OUT;SFP:1102;SCL:1;SRVR:CH2PR18MB3351;H:CH2PR18MB3349.namprd18.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: suse.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: qmA48l15xrAsd5g3PdWGCcn6b/U6Z86LmPt4TcFwrOMMxBvW8L0KOc09sN9xaUdikSf6oUeq4tBgeZCeUqf2I/XcVAfCFLrcrWdKxKQkjy50GGjrCQHkmGHKMPIhM7dM5v1Hg8J2+1UYVKn1wTexzjpS68hPJPIesBDG27ta3qH+zzOvJKINEaNkS6q8kUWpR5/cxY5xl/wIvDN49VqiS32kc91EODxQ4qgB923Fo962n4m3OYQgIlclB29UgBvhiFwIrqESSFsq7UmQEKX4+SuU/ILQ2JckHO/wvXXef9WSS5Tka6pJYlnQwuJzIOob5k1cQ2CKunBpVNw0Oq3d6JgVwoQqkutoH6i0DRxaXO0M6V5MywO/odfkePNzjasjmQvPG9nPtCHhJfTbncsT7V7r9n8QiV3vobKjNFEJx24K52Yui8jAKGSg4uo02nAJuNoMVyaP7YsMpxF9csNpUw== Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 56e909f9-2373-4b6f-f9cc-08d7474f0e2c X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Oct 2019 15:41:56.4100 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 856b813c-16e5-49a5-85ec-6f081e13b527 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: FaD3ujBU+9E1loMGVBLhvBc2gqMrN+Il6qyg+FwOXuhEvjIJQWRrvw1oHgGRpqGG/XElHOAaRlJzQL+WAxdxWA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR18MB3351 X-OriginatorOrg: suse.com Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Martin Wilck Hello Martin, this patch fixes two issues in patch 02/14 in Himanshu's latest qla2xxx series ("qla2xxx: Bug fixes for the driver") from Sept. 12th, which you applied onto 5.4/scsi-fixes already. See https://marc.info/?l=linux-scsi&m=156951704106671&w=2 I'm assuming that Himanshu and Quinn are working on another series of fixes, in which case that should take precedence over this patch. I just wanted to provide this so that the already known problems are fixed in your tree. v2: check loop condition only once (Bart van Assche) Commit message follows: Fix two issues with the previously submitted patch "qla2xxx: Optimize NPIV tear down process": a missing negation in a wait_event_timeout() condition, and a missing loop end condition. Signed-off-by: Martin Wilck Fixes: f5187b7d1ac6 ("scsi: qla2xxx: Optimize NPIV tear down process") --- drivers/scsi/qla2xxx/qla_mid.c | 8 +++++--- drivers/scsi/qla2xxx/qla_os.c | 8 +++++--- 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index 6afad68e5ba2..238240984bc1 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -76,9 +76,11 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) * ensures no active vp_list traversal while the vport is removed * from the queue) */ - for (i = 0; i < 10 && atomic_read(&vha->vref_count); i++) - wait_event_timeout(vha->vref_waitq, - atomic_read(&vha->vref_count), HZ); + for (i = 0; i < 10; i++) { + if (wait_event_timeout(vha->vref_waitq, + !atomic_read(&vha->vref_count), HZ) > 0) + break; + } spin_lock_irqsave(&ha->vport_slock, flags); if (atomic_read(&vha->vref_count)) { diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 6e627e521562..ee5b6cba9872 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1119,9 +1119,11 @@ qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha) qla2x00_mark_all_devices_lost(vha, 0); - for (i = 0; i < 10; i++) - wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), - HZ); + for (i = 0; i < 10; i++) { + if (wait_event_timeout(vha->fcport_waitQ, + test_fcport_count(vha), HZ) > 0) + break; + } flush_workqueue(vha->hw->wq); } -- 2.12.3