From: Bart Van Assche <bart.vanassche@sandisk.com> To: "Martin K . Petersen" <martin.petersen@oracle.com>, James Bottomley <James.Bottomley@HansenPartnership.com> Cc: <linux-scsi@vger.kernel.org>, <linux-block@vger.kernel.org>, "Bart Van Assche" <bart.vanassche@sandisk.com>, Hannes Reinecke <hare@suse.com> Subject: [PATCH 23/31] scsi: Move sense buffer pointer initialization into scsi_initialize_rq() Date: Tue, 23 May 2017 17:34:12 -0700 [thread overview] Message-ID: <20170524003420.5381-24-bart.vanassche@sandisk.com> (raw) In-Reply-To: <20170524003420.5381-1-bart.vanassche@sandisk.com> This patch is a preparation for the next patch that will zero the struct scsi_request embedded in struct scsi_cmnd before calling scsi_req_init(). Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> --- drivers/scsi/scsi_lib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 359f824ab78c..10c6adb208dc 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1164,6 +1164,7 @@ static void scsi_initialize_rq(struct request *rq) sizeof(*cmd) - sizeof(cmd->req)); scsi_req_init(&cmd->req); cmd->device = dev; + cmd->req.sense = cmd->sense_buffer; cmd->sense_buffer = buf; cmd->prot_sdb = prot; INIT_DELAYED_WORK(&cmd->abort_work, scmd_eh_abort_handler); @@ -2025,7 +2026,6 @@ static int scsi_init_request(struct blk_mq_tag_set *set, struct request *rq, GFP_KERNEL, numa_node); if (!cmd->sense_buffer) return -ENOMEM; - cmd->req.sense = cmd->sense_buffer; return 0; } @@ -2123,7 +2123,6 @@ static int scsi_init_rq(struct request_queue *q, struct request *rq, gfp_t gfp) NUMA_NO_NODE); if (!cmd->sense_buffer) goto fail; - cmd->req.sense = cmd->sense_buffer; if (scsi_host_get_prot(shost) >= SHOST_DIX_TYPE0_PROTECTION) { cmd->prot_sdb = kmem_cache_zalloc(scsi_sdb_cache, gfp); -- 2.12.2
WARNING: multiple messages have this Message-ID (diff)
From: Bart Van Assche <bart.vanassche@sandisk.com> To: "Martin K . Petersen" <martin.petersen@oracle.com>, James Bottomley <James.Bottomley@HansenPartnership.com> Cc: linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, Bart Van Assche <bart.vanassche@sandisk.com>, Hannes Reinecke <hare@suse.com> Subject: [PATCH 23/31] scsi: Move sense buffer pointer initialization into scsi_initialize_rq() Date: Tue, 23 May 2017 17:34:12 -0700 [thread overview] Message-ID: <20170524003420.5381-24-bart.vanassche@sandisk.com> (raw) In-Reply-To: <20170524003420.5381-1-bart.vanassche@sandisk.com> This patch is a preparation for the next patch that will zero the struct scsi_request embedded in struct scsi_cmnd before calling scsi_req_init(). Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> --- drivers/scsi/scsi_lib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 359f824ab78c..10c6adb208dc 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1164,6 +1164,7 @@ static void scsi_initialize_rq(struct request *rq) sizeof(*cmd) - sizeof(cmd->req)); scsi_req_init(&cmd->req); cmd->device = dev; + cmd->req.sense = cmd->sense_buffer; cmd->sense_buffer = buf; cmd->prot_sdb = prot; INIT_DELAYED_WORK(&cmd->abort_work, scmd_eh_abort_handler); @@ -2025,7 +2026,6 @@ static int scsi_init_request(struct blk_mq_tag_set *set, struct request *rq, GFP_KERNEL, numa_node); if (!cmd->sense_buffer) return -ENOMEM; - cmd->req.sense = cmd->sense_buffer; return 0; } @@ -2123,7 +2123,6 @@ static int scsi_init_rq(struct request_queue *q, struct request *rq, gfp_t gfp) NUMA_NO_NODE); if (!cmd->sense_buffer) goto fail; - cmd->req.sense = cmd->sense_buffer; if (scsi_host_get_prot(shost) >= SHOST_DIX_TYPE0_PROTECTION) { cmd->prot_sdb = kmem_cache_zalloc(scsi_sdb_cache, gfp); -- 2.12.2
next prev parent reply other threads:[~2017-05-24 0:34 UTC|newest] Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-05-24 0:33 [PATCH 00/31] SCSI patches for kernel v4.13 Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 0:33 ` [PATCH 01/31] Split scsi_internal_device_block() Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:48 ` Hannes Reinecke 2017-05-24 7:36 ` Johannes Thumshirn 2017-05-24 0:33 ` [PATCH 02/31] Create two versions of scsi_internal_device_unblock() Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:48 ` Hannes Reinecke 2017-05-24 7:38 ` Johannes Thumshirn 2017-05-24 0:33 ` [PATCH 03/31] Protect SCSI device state changes with a mutex Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:51 ` Hannes Reinecke 2017-05-24 15:10 ` Bart Van Assche 2017-05-24 15:10 ` Bart Van Assche 2017-05-24 0:33 ` [PATCH 04/31] Introduce scsi_start_queue() Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:51 ` Hannes Reinecke 2017-05-24 0:33 ` [PATCH 05/31] Make __scsi_remove_device go straight from BLOCKED to DEL Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:52 ` Hannes Reinecke 2017-05-24 0:33 ` [PATCH 06/31] scmd_eh_abort_handler(): Add a comment Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:53 ` Hannes Reinecke 2017-05-24 0:33 ` [PATCH 07/31] scsi: Use blk_mq_rq_to_pdu() to convert a request to a SCSI command pointer Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:54 ` Hannes Reinecke 2017-05-24 7:50 ` Johannes Thumshirn 2017-05-24 0:33 ` [PATCH 08/31] sd, sr: Convert two assignments into warning statements Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:55 ` Hannes Reinecke 2017-05-24 7:52 ` Johannes Thumshirn 2017-05-24 0:33 ` [PATCH 09/31] block: Avoid that blk_exit_rl() triggers a use-after-free Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:55 ` Hannes Reinecke 2017-05-24 15:09 ` Tejun Heo 2017-05-24 0:33 ` [PATCH 10/31] Avoid that scsi_exit_rq() " Bart Van Assche 2017-05-24 0:33 ` Bart Van Assche 2017-05-24 5:58 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 11/31] block: Introduce queue flag QUEUE_FLAG_SCSI_SUP Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:01 ` Hannes Reinecke 2017-05-24 15:05 ` Bart Van Assche 2017-05-24 15:05 ` Bart Van Assche 2017-05-24 0:34 ` [PATCH 12/31] bsg: Check queue type before attaching to a queue Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:01 ` Hannes Reinecke 2017-05-25 2:01 ` Martin K. Petersen 2017-05-25 2:01 ` Martin K. Petersen 2017-05-24 0:34 ` [PATCH 13/31] pktcdvd: " Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:02 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 14/31] cdrom: Check private request size " Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:02 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 15/31] nfsd: Check private request size before submitting a SCSI request Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:02 ` Hannes Reinecke 2017-05-24 6:02 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 16/31] scsi: Make scsi_ioctl_reset() pass the request queue pointer to blk_rq_init() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:03 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 17/31] block: Introduce request_queue.initialize_rq_fn() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:04 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 18/31] block: Make scsi_req_init() calls implicit Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:05 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 19/31] scsi: Change argument type of scsi_req_init() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:06 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 20/31] scsi: Only add commands to the device command list if required by the LLD Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:07 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 21/31] scsi: Move most of scsi_init_command() into scsi_initialize_rq() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:09 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 22/31] scsi: Inline scsi_init_command() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:09 ` Hannes Reinecke 2017-05-24 0:34 ` Bart Van Assche [this message] 2017-05-24 0:34 ` [PATCH 23/31] scsi: Move sense buffer pointer initialization into scsi_initialize_rq() Bart Van Assche 2017-05-24 6:10 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 24/31] scsi: Make scsi_initialize_rq() zero the entire struct scsi_cmnd Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:10 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 25/31] scsi-mq: Make behavior scsi_mq_prep_fn() closer to that of scsi_prep_fn() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:11 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 26/31] scsi: Move the code for clearing private command data into scsi_dispatch_cmd() Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:12 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 27/31] scsi: Consolidate more initialization code Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:13 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 28/31] scsi_setup_fs_cmnd(): Call scsi_req_init() instead of open-coding it Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:13 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 29/31] scsi: snic: Remove code that zeroes driver-private command data Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:14 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 30/31] scsi: virtio: " Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:14 ` Hannes Reinecke 2017-05-24 0:34 ` [PATCH 31/31] xen/scsifront: " Bart Van Assche 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 6:14 ` Hannes Reinecke 2017-05-24 6:14 ` Hannes Reinecke 2017-05-24 7:02 ` Juergen Gross 2017-05-24 7:02 ` Juergen Gross 2017-05-24 0:34 ` Bart Van Assche 2017-05-24 2:31 ` [PATCH 00/31] SCSI patches for kernel v4.13 Martin K. Petersen 2017-05-24 2:31 ` Martin K. Petersen 2017-05-24 3:55 ` Jens Axboe 2017-05-24 4:43 ` Bart Van Assche 2017-05-24 4:43 ` Bart Van Assche 2017-05-25 2:04 ` Martin K. Petersen 2017-05-25 2:04 ` Martin K. Petersen 2017-06-01 14:08 ` Bart Van Assche 2017-06-01 14:08 ` Bart Van Assche 2017-06-01 14:09 ` Christoph Hellwig
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