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From: Bart Van Assche <bvanassche@acm.org>
To: "Martin K . Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org, Bart Van Assche <bvanassche@acm.org>,
	Christoph Hellwig <hch@lst.de>, Hannes Reinecke <hare@suse.de>,
	Ming Lei <ming.lei@redhat.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>
Subject: [PATCH v5 03/52] sd: Use scsi_cmd_to_rq() instead of scsi_cmnd.request
Date: Mon,  9 Aug 2021 16:03:06 -0700	[thread overview]
Message-ID: <20210809230355.8186-4-bvanassche@acm.org> (raw)
In-Reply-To: <20210809230355.8186-1-bvanassche@acm.org>

Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/sd.c     | 33 +++++++++++++++++----------------
 drivers/scsi/sd_zbc.c | 10 +++++-----
 2 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c1b75f159e0c..ac431b0477da 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -776,8 +776,9 @@ static unsigned int sd_prot_flag_mask(unsigned int prot_op)
 static unsigned char sd_setup_protect_cmnd(struct scsi_cmnd *scmd,
 					   unsigned int dix, unsigned int dif)
 {
-	struct bio *bio = scmd->request->bio;
-	unsigned int prot_op = sd_prot_op(rq_data_dir(scmd->request), dix, dif);
+	struct request *rq = scsi_cmd_to_rq(scmd);
+	struct bio *bio = rq->bio;
+	unsigned int prot_op = sd_prot_op(rq_data_dir(rq), dix, dif);
 	unsigned int protect = 0;
 
 	if (dix) {				/* DIX Type 0, 1, 2, 3 */
@@ -868,7 +869,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
 static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd *cmd)
 {
 	struct scsi_device *sdp = cmd->device;
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
@@ -904,7 +905,7 @@ static blk_status_t sd_setup_write_same16_cmnd(struct scsi_cmnd *cmd,
 		bool unmap)
 {
 	struct scsi_device *sdp = cmd->device;
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
@@ -936,7 +937,7 @@ static blk_status_t sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd,
 		bool unmap)
 {
 	struct scsi_device *sdp = cmd->device;
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
@@ -966,7 +967,7 @@ static blk_status_t sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd,
 
 static blk_status_t sd_setup_write_zeroes_cmnd(struct scsi_cmnd *cmd)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_device *sdp = cmd->device;
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
@@ -1063,7 +1064,7 @@ static void sd_config_write_same(struct scsi_disk *sdkp)
  **/
 static blk_status_t sd_setup_write_same_cmnd(struct scsi_cmnd *cmd)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_device *sdp = cmd->device;
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	struct bio *bio = rq->bio;
@@ -1112,7 +1113,7 @@ static blk_status_t sd_setup_write_same_cmnd(struct scsi_cmnd *cmd)
 
 static blk_status_t sd_setup_flush_cmnd(struct scsi_cmnd *cmd)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 
 	/* flush requests don't perform I/O, zero the S/G table */
@@ -1210,7 +1211,7 @@ static blk_status_t sd_setup_rw6_cmnd(struct scsi_cmnd *cmd, bool write,
 
 static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_device *sdp = cmd->device;
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	sector_t lba = sectors_to_logical(sdp, blk_rq_pos(rq));
@@ -1324,7 +1325,7 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
 
 static blk_status_t sd_init_command(struct scsi_cmnd *cmd)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 
 	switch (req_op(rq)) {
 	case REQ_OP_DISCARD:
@@ -1370,7 +1371,7 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd)
 
 static void sd_uninit_command(struct scsi_cmnd *SCpnt)
 {
-	struct request *rq = SCpnt->request;
+	struct request *rq = scsi_cmd_to_rq(SCpnt);
 	u8 *cmnd;
 
 	if (rq->rq_flags & RQF_SPECIAL_PAYLOAD)
@@ -1875,7 +1876,7 @@ static const struct block_device_operations sd_fops = {
  **/
 static void sd_eh_reset(struct scsi_cmnd *scmd)
 {
-	struct scsi_disk *sdkp = scsi_disk(scmd->request->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->rq_disk);
 
 	/* New SCSI EH run, reset gate variable */
 	sdkp->ignore_medium_access_errors = false;
@@ -1895,7 +1896,7 @@ static void sd_eh_reset(struct scsi_cmnd *scmd)
  **/
 static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp)
 {
-	struct scsi_disk *sdkp = scsi_disk(scmd->request->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->rq_disk);
 	struct scsi_device *sdev = scmd->device;
 
 	if (!scsi_device_online(sdev) ||
@@ -1936,7 +1937,7 @@ static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp)
 
 static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd)
 {
-	struct request *req = scmd->request;
+	struct request *req = scsi_cmd_to_rq(scmd);
 	struct scsi_device *sdev = scmd->device;
 	unsigned int transferred, good_bytes;
 	u64 start_lba, end_lba, bad_lba;
@@ -1991,8 +1992,8 @@ static int sd_done(struct scsi_cmnd *SCpnt)
 	unsigned int sector_size = SCpnt->device->sector_size;
 	unsigned int resid;
 	struct scsi_sense_hdr sshdr;
-	struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk);
-	struct request *req = SCpnt->request;
+	struct request *req = scsi_cmd_to_rq(SCpnt);
+	struct scsi_disk *sdkp = scsi_disk(req->rq_disk);
 	int sense_valid = 0;
 	int sense_deferred = 0;
 
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 186b5ff52c3a..b9757f24b0d6 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -243,7 +243,7 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
 
 static blk_status_t sd_zbc_cmnd_checks(struct scsi_cmnd *cmd)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	sector_t sector = blk_rq_pos(rq);
 
@@ -321,7 +321,7 @@ static void sd_zbc_update_wp_offset_workfn(struct work_struct *work)
 blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
 					unsigned int nr_blocks)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	unsigned int wp_offset, zno = blk_rq_zone_no(rq);
 	unsigned long flags;
@@ -386,7 +386,7 @@ blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
 blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
 					 unsigned char op, bool all)
 {
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	sector_t sector = blk_rq_pos(rq);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	sector_t block = sectors_to_logical(sdkp->device, sector);
@@ -442,7 +442,7 @@ static unsigned int sd_zbc_zone_wp_update(struct scsi_cmnd *cmd,
 					  unsigned int good_bytes)
 {
 	int result = cmd->result;
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
 	unsigned int zno = blk_rq_zone_no(rq);
 	enum req_opf op = req_op(rq);
@@ -516,7 +516,7 @@ unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
 		     struct scsi_sense_hdr *sshdr)
 {
 	int result = cmd->result;
-	struct request *rq = cmd->request;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 
 	if (op_is_zone_mgmt(req_op(rq)) &&
 	    result &&

  parent reply	other threads:[~2021-08-09 23:04 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-09 23:03 [PATCH v5 00/52] Remove the request pointer from struct scsi_cmnd Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 01/52] core: Introduce the scsi_cmd_to_rq() function Bart Van Assche
2021-08-10  6:15   ` Hannes Reinecke
2021-08-12 12:28   ` Christoph Hellwig
2021-08-12 18:19     ` Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 02/52] core: Use scsi_cmd_to_rq() instead of scsi_cmnd.request Bart Van Assche
2021-08-10  6:17   ` Hannes Reinecke
2021-08-09 23:03 ` Bart Van Assche [this message]
2021-08-10  6:18   ` [PATCH v5 03/52] sd: " Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 04/52] sr: " Bart Van Assche
2021-08-10  6:18   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 05/52] scsi_transport_fc: " Bart Van Assche
2021-08-10  6:19   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 06/52] scsi_transport_spi: " Bart Van Assche
2021-08-10  6:19   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 07/52] ata: " Bart Van Assche
2021-08-10  6:20   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 08/52] RDMA/iser: " Bart Van Assche
2021-08-10  6:20   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 09/52] RDMA/srp: " Bart Van Assche
2021-08-10  6:21   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 10/52] zfcp: " Bart Van Assche
2021-08-10  6:21   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 11/52] 53c700: " Bart Van Assche
2021-08-10  6:21   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 12/52] NCR5380: Use sc_data_direction instead of rq_data_dir() Bart Van Assche
2021-08-10  6:22   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 13/52] aacraid: Use scsi_cmd_to_rq() instead of scsi_cmnd.request Bart Van Assche
2021-08-10  6:23   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 14/52] advansys: " Bart Van Assche
2021-08-10  6:25   ` Hannes Reinecke
2021-08-10 16:16     ` Bart Van Assche
2021-08-12  2:58       ` Martin K. Petersen
2021-08-12  4:03         ` Bart Van Assche
2021-08-12  6:03         ` Hannes Reinecke
2021-08-12  9:05           ` John Garry
2021-08-13  1:42             ` Bart Van Assche
2021-08-13  2:19         ` Matthew Wilcox
2021-08-10 17:25     ` Matthew Wilcox
2021-08-09 23:03 ` [PATCH v5 15/52] aha1542: " Bart Van Assche
2021-08-10  6:25   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 16/52] bnx2i: " Bart Van Assche
2021-08-10  6:26   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 17/52] csiostor: " Bart Van Assche
2021-08-10  6:26   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 18/52] cxlflash: " Bart Van Assche
2021-08-10  6:27   ` Hannes Reinecke
2021-08-09 23:03 ` [PATCH v5 19/52] dpt_i2o: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 20/52] fnic: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 21/52] hisi_sas: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 22/52] hpsa: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 23/52] ibmvfc: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 24/52] ibmvscsi: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 25/52] ips: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 26/52] libsas: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 27/52] lpfc: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 28/52] megaraid: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 29/52] mpi3mr: " Bart Van Assche
2021-08-16  8:32   ` Kashyap Desai
2021-08-16 17:13     ` Martin K. Petersen
2021-08-09 23:03 ` [PATCH v5 30/52] mpt3sas: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 31/52] mvumi: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 32/52] myrb: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 33/52] myrs: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 34/52] ncr53c8xx: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 35/52] qedf: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 36/52] qedi: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 37/52] qla1280: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 38/52] qla2xxx: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 39/52] qla4xxx: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 40/52] qlogicpti: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 41/52] scsi_debug: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 42/52] smartpqi: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 43/52] snic: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 44/52] stex: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 45/52] sun3_scsi: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 46/52] sym53c8xx: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 47/52] ufs: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 48/52] virtio_scsi: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 49/52] xen-scsifront: " Bart Van Assche
2021-08-17 12:42   ` Juergen Gross
2021-08-09 23:03 ` [PATCH v5 50/52] tcm_loop: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 51/52] usb-storage: " Bart Van Assche
2021-08-09 23:03 ` [PATCH v5 52/52] core: Remove the request member from struct scsi_cmnd Bart Van Assche
2021-08-10  5:28 ` [PATCH v5 00/52] Remove the request pointer " Martin K. Petersen
2021-08-10 16:19   ` Bart Van Assche
2021-08-17  3:17 ` Martin K. Petersen

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