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From 6b2393ab0eedcb1489fe9cb61e15aa3f0198776d Mon Sep 17 00:00:00 2001
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From: Himanshu Madhani <hmadhani@redhat.com>
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Date: Thu, 1 Aug 2019 15:56:12 -0400
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Subject: [PATCH 112/124] [scsi] scsi: qla2xxx: Fix hang in fcport delete path
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Message-id: <20190801155618.12650-113-hmadhani@redhat.com>
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Patchwork-id: 267893
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O-Subject: [RHEL 7.8 e-stor PATCH 112/118] scsi: qla2xxx: Fix hang in fcport delete path
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Bugzilla: 1729270
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
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From: Quinn Tran <qutran@marvell.com>
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Bugzilla 1729270
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A hang was observed in the fcport delete path when the device was
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responding slow and an issue-lip path (results in session termination) was
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taken.
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Fix this by issuing logo requests unconditionally.
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PID: 19491 TASK: ffff8e23e67bb150 CPU: 0 COMMAND: "kworker/0:0"
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#0 [ffff8e2370297bf8] __schedule at ffffffffb4f7dbb0
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#1 [ffff8e2370297c88] schedule at ffffffffb4f7e199
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#2 [ffff8e2370297c98] schedule_timeout at ffffffffb4f7ba68
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#3 [ffff8e2370297d40] msleep at ffffffffb48ad9ff
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#4 [ffff8e2370297d58] qlt_free_session_done at ffffffffc0c32052 [qla2xxx]
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#5 [ffff8e2370297e20] process_one_work at ffffffffb48bcfdf
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#6 [ffff8e2370297e68] worker_thread at ffffffffb48bdca6
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#7 [ffff8e2370297ec8] kthread at ffffffffb48c4f81
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Signed-off-by: Quinn Tran <qutran@marvell.com>
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Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
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Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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(cherry picked from commit b6398873de637972204b9bac4bd5d32683161c80)
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Signed-off-by: Himanshu Madhani <hmadhani@redhat.com>
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Signed-off-by: Jan Stancek <jstancek@redhat.com>
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---
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drivers/scsi/qla2xxx/qla_init.c | 3 ---
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1 file changed, 3 deletions(-)
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diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
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index d37704f64046..fc8e886ebb43 100644
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--- a/drivers/scsi/qla2xxx/qla_init.c
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+++ b/drivers/scsi/qla2xxx/qla_init.c
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@@ -286,9 +286,6 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
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struct srb_iocb *lio;
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int rval = QLA_FUNCTION_FAILED;
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- if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
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- return rval;
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-
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fcport->flags |= FCF_ASYNC_SENT;
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sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
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if (!sp)
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--
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2.13.6
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