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Petersen" , James Bottomley CC: , , "Bart Van Assche" , Hannes Reinecke Subject: [PATCH 16/31] scsi: Make scsi_ioctl_reset() pass the request queue pointer to blk_rq_init() Date: Tue, 23 May 2017 17:34:05 -0700 Message-ID: <20170524003420.5381-17-bart.vanassche@sandisk.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170524003420.5381-1-bart.vanassche@sandisk.com> References: <20170524003420.5381-1-bart.vanassche@sandisk.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJLMWRmVeSWpSXmKPExsXCddJ5ka7QVZVIg78rJS0WvNnLZrGxn8Ni 7y1ti+7rO9gslh//x+TA6jFt0ik2j49Pb7F4rN9ylcXj8ya5AJYoLpuU1JzMstQifbsErox7 XedYC3ZzVsyat4i5gfE1excjJ4eEgInEs+sz2LoYuTiEBJYySdxbe50RJCEksINR4vCmKpii P6dWskMUbWSU2HL9FFgRm4CRxLf3M1lAbBGBQolL2zoYQYqYBSYwSuy79ZENJCEskCJxpHE5 WBGLgKrEn7PnmEFsXgF7ifnv9zJCbJCXOLtlJ1icEyje9WoC0DYOoG12Eou2V4DMlBDoYpU4 0neSCaJXUOLkzCdgM5kFJCQOvnjBDHG1usTJJfOZJjAKzUJSNgtJ2QJGplWMYrmZOcW56akF hqZ6xYl5KZnF2XrJ+bmbGCEBnrmD8e4T70OMAhyMSjy8CQ4qkUKsiWXFlbmHGCU4mJVEeJdv AArxpiRWVqUW5ccXleakFh9ilOZgURLnPSczNUJIID2xJDU7NbUgtQgmy8TBKdXAWCXVffpQ jWHh8gNrKtKYNmx//+d/bqjO7R0lDCwlwsWBPlVvb99+KPn2mwfT4+YX6Q+WKF9i/vBMM0yp 48fZFfUTXcNUHP5W3JR9MZNR6drEn567DFt3G898HzEhyVr29IbsOo5vnfFe+lk/9GZK28Ud 2P4sJOvMJFYGlm95y7MmVC7Ni3pXpMRSnJFoqMVcVJwIAMpEWzpsAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrJJMWRmVeSWpSXmKPExsXCtZGTTZf/qkqkQeNuIYuDP9sYLRa82ctm sbGfw2LvLW2L7us72CyWH//H5MDmMW3SKTaPj09vsXhMW3OeyWP9lqssHp83yQWwRnHZpKTm ZJalFunbJXBl3Os6x1qwm7Ni1rxFzA2Mr9m7GDk5JARMJP6cWglkc3EICaxnlLgx+QQTSIJN wEji2/uZLCC2iEChxP3Tp9lAipgFJjBKHLv7iRUkISyQInGkcTlYEYuAqsSfs+eYQWxeAXuJ xd/uskJskJc4u2UnWJwTKN71agLQNg6gbXYSi7ZXTGDkXsDIsIpRLDczpzg3PbPA0EivODEv JbM4Wy85P3cTIyQwonYwXp9ofoiRiYNTqoGRReEsa5Wooa9a4ssX8z63nttdzbnn3oUpK2vL JZhOPl+zRCjDstb409Y/mo9kfDNitn8rLl8tlqrXu6I53/mmA5/GRPUKqS7j+0u/i37Oy9C5 OcWG3TTi3t27V8TmnCp/3fjkxK6XfBuexOfu2JjhzvWgdpPQz0k5T1aW5j4//Np44b5futxz lFiKMxINtZiLihMBXo4/trwBAAA= MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:63.163.107.21; 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Ip=[63.163.107.21]; Helo=[milsmgep15.sandisk.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR04MB2305 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP A later patch will add a call to a request initialization function into blk_rq_init(). Hence make sure that all blk_rq_init() calls specify the request queue pointer. Since TMF callback functions in SCSI LLD drivers do not use request.q, this patch does not change the behavior of any SCSI driver. Signed-off-by: Bart Van Assche Reviewed-by: Christoph Hellwig Cc: Hannes Reinecke Reviewed-by: Hannes Reinecke --- drivers/scsi/scsi_error.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 7ba5f988426c..bbcc269f0ec1 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -2286,7 +2286,12 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg) shost->hostt->cmd_size, GFP_KERNEL); if (!rq) goto out_put_autopm_host; - blk_rq_init(NULL, rq); + /* + * Although blk_rq_init() is intended for single queue block + * drivers, this code path even uses blk_rq_init() when @dev is + * a scsi-mq device. + */ + blk_rq_init(dev->request_queue, rq); scmd = (struct scsi_cmnd *)(rq + 1); scsi_init_command(dev, scmd);