linux-kernel - [PATCH v2 2/8] hisi_sas: add internal abort in hisi_sas_dev

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Message-ID: <1472036754-156813-3-git-send-email-john.garry@huawei.com>
Date:   Wed, 24 Aug 2016 19:05:48 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC:     <linuxarm@...wei.com>, <zhangfei.gao@...aro.org>,
        <xuwei5@...ilicon.com>, <john.garry2@...l.dcu.ie>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        John Garry <john.garry@...wei.com>
Subject: [PATCH v2 2/8] hisi_sas: add internal abort in hisi_sas_dev_gone()

Execute an internal abort for that device when it is removed,
so that commands for that device are not processed.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 763c6c5..c4e59cd 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -621,6 +621,9 @@ static void hisi_sas_dev_gone(struct domain_device *device)
 	dev_info(dev, "found dev[%lld:%x] is gone\n",
 		 sas_dev->device_id, sas_dev->dev_type);
 
+	hisi_sas_internal_task_abort(hisi_hba, device,
+				     HISI_SAS_INT_ABT_DEV, 0);
+
 	hisi_hba->hw->free_device(hisi_hba, sas_dev);
 	device->lldd_dev = NULL;
 	memset(sas_dev, 0, sizeof(*sas_dev));
-- 
1.9.1