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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

  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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