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Commit 6bb35e00 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Nicholas Bellinger
Browse files

target: replace ->execute_task with ->execute_cmd 



Make CDB emulation work on commands instead of tasks again as a preparation
of removing tasks completely.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent bd313778

drivers/target/target_core_alua.c

+4 −8
Original line number Diff line number Diff line
@@ -59,9 +59,8 @@ struct t10_alua_lu_gp *default_lu_gp; 
 *

 * See spc4r17 section 6.27

 */

int target_emulate_report_target_port_groups(struct se_task *task)

int target_emulate_report_target_port_groups(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;

	struct se_port *port;

	struct t10_alua_tg_pt_gp *tg_pt_gp;
@@ -166,8 +165,7 @@ int target_emulate_report_target_port_groups(struct se_task *task) 


	transport_kunmap_data_sg(cmd);



	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}
@@ -176,9 +174,8 @@ int target_emulate_report_target_port_groups(struct se_task *task) 
 *

 * See spc4r17 section 6.35

 */

int target_emulate_set_target_port_groups(struct se_task *task)

int target_emulate_set_target_port_groups(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	struct se_subsystem_dev *su_dev = dev->se_sub_dev;

	struct se_port *port, *l_port = cmd->se_lun->lun_sep;
@@ -351,8 +348,7 @@ int target_emulate_set_target_port_groups(struct se_task *task) 


out:

	transport_kunmap_data_sg(cmd);

	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}

drivers/target/target_core_alua.h

+2 −2
Original line number Diff line number Diff line
@@ -66,8 +66,8 @@ extern struct kmem_cache *t10_alua_lu_gp_mem_cache; 
extern struct kmem_cache *t10_alua_tg_pt_gp_cache;

extern struct kmem_cache *t10_alua_tg_pt_gp_mem_cache;



extern int target_emulate_report_target_port_groups(struct se_task *);

extern int target_emulate_set_target_port_groups(struct se_task *);

extern int target_emulate_report_target_port_groups(struct se_cmd *);

extern int target_emulate_set_target_port_groups(struct se_cmd *);

extern int core_alua_check_nonop_delay(struct se_cmd *);

extern int core_alua_do_port_transition(struct t10_alua_tg_pt_gp *,

				struct se_device *, struct se_port *,

drivers/target/target_core_cdb.c

+22 −42
Original line number Diff line number Diff line
@@ -601,9 +601,8 @@ target_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf) 
	return 0;

}



int target_emulate_inquiry(struct se_task *task)

int target_emulate_inquiry(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg;

	unsigned char *buf, *map_buf;
@@ -667,16 +666,13 @@ int target_emulate_inquiry(struct se_task *task) 
	}

	transport_kunmap_data_sg(cmd);



	if (!ret) {

		task->task_scsi_status = GOOD;

		transport_complete_task(task, 1);

	}

	if (!ret)

		target_complete_cmd(cmd, GOOD);

	return ret;

}



int target_emulate_readcapacity(struct se_task *task)

int target_emulate_readcapacity(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	unsigned char *buf;

	unsigned long long blocks_long = dev->transport->get_blocks(dev);
@@ -700,14 +696,12 @@ int target_emulate_readcapacity(struct se_task *task) 


	transport_kunmap_data_sg(cmd);



	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}



int target_emulate_readcapacity_16(struct se_task *task)

int target_emulate_readcapacity_16(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	unsigned char *buf;

	unsigned long long blocks = dev->transport->get_blocks(dev);
@@ -735,8 +729,7 @@ int target_emulate_readcapacity_16(struct se_task *task) 


	transport_kunmap_data_sg(cmd);



	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}
@@ -875,9 +868,8 @@ target_modesense_dpofua(unsigned char *buf, int type) 
	}

}



int target_emulate_modesense(struct se_task *task)

int target_emulate_modesense(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	char *cdb = cmd->t_task_cdb;

	unsigned char *rbuf;
@@ -950,14 +942,12 @@ int target_emulate_modesense(struct se_task *task) 
	memcpy(rbuf, buf, offset);

	transport_kunmap_data_sg(cmd);



	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}



int target_emulate_request_sense(struct se_task *task)

int target_emulate_request_sense(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	unsigned char *cdb = cmd->t_task_cdb;

	unsigned char *buf;

	u8 ua_asc = 0, ua_ascq = 0;
@@ -1011,8 +1001,7 @@ int target_emulate_request_sense(struct se_task *task) 


end:

	transport_kunmap_data_sg(cmd);

	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}
@@ -1020,9 +1009,8 @@ int target_emulate_request_sense(struct se_task *task) 
 * Used for TCM/IBLOCK and TCM/FILEIO for block/blk-lib.c level discard support.

 * Note this is not used for TCM/pSCSI passthrough

 */

int target_emulate_unmap(struct se_task *task)

int target_emulate_unmap(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	unsigned char *buf, *ptr = NULL;

	unsigned char *cdb = &cmd->t_task_cdb[0];
@@ -1069,10 +1057,8 @@ int target_emulate_unmap(struct se_task *task) 


err:

	transport_kunmap_data_sg(cmd);

	if (!ret) {

		task->task_scsi_status = GOOD;

		transport_complete_task(task, 1);

	}

	if (!ret)

		target_complete_cmd(cmd, GOOD);

	return ret;

}
@@ -1080,9 +1066,8 @@ int target_emulate_unmap(struct se_task *task) 
 * Used for TCM/IBLOCK and TCM/FILEIO for block/blk-lib.c level discard support.

 * Note this is not used for TCM/pSCSI passthrough

 */

int target_emulate_write_same(struct se_task *task)

int target_emulate_write_same(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	sector_t range;

	sector_t lba = cmd->t_task_lba;
@@ -1121,30 +1106,25 @@ int target_emulate_write_same(struct se_task *task) 
		return ret;

	}



	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}



int target_emulate_synchronize_cache(struct se_task *task)

int target_emulate_synchronize_cache(struct se_cmd *cmd)

{

	struct se_device *dev = task->task_se_cmd->se_dev;

	struct se_cmd *cmd = task->task_se_cmd;



	if (!dev->transport->do_sync_cache) {

	if (!cmd->se_dev->transport->do_sync_cache) {

		pr_err("SYNCHRONIZE_CACHE emulation not supported"

			" for: %s\n", dev->transport->name);

			" for: %s\n", cmd->se_dev->transport->name);

		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;

		return -ENOSYS;

	}



	dev->transport->do_sync_cache(task);

	cmd->se_dev->transport->do_sync_cache(cmd);

	return 0;

}



int target_emulate_noop(struct se_task *task)

int target_emulate_noop(struct se_cmd *cmd)

{

	task->task_scsi_status = GOOD;

	transport_complete_task(task, 1);

	target_complete_cmd(cmd, GOOD);

	return 0;

}

drivers/target/target_core_device.c

+2 −4
Original line number Diff line number Diff line
@@ -643,9 +643,8 @@ void core_dev_unexport( 
	lun->lun_se_dev = NULL;

}



int target_report_luns(struct se_task *se_task)

int target_report_luns(struct se_cmd *se_cmd)

{

	struct se_cmd *se_cmd = se_task->task_se_cmd;

	struct se_dev_entry *deve;

	struct se_session *se_sess = se_cmd->se_sess;

	unsigned char *buf;
@@ -696,8 +695,7 @@ int target_report_luns(struct se_task *se_task) 
	buf[3] = (lun_count & 0xff);

	transport_kunmap_data_sg(se_cmd);



	se_task->task_scsi_status = GOOD;

	transport_complete_task(se_task, 1);

	target_complete_cmd(se_cmd, GOOD);

	return 0;

}

drivers/target/target_core_file.c

+1 −2
Original line number Diff line number Diff line
@@ -356,9 +356,8 @@ static int fd_do_writev(struct se_task *task) 
	return 1;

}



static void fd_emulate_sync_cache(struct se_task *task)

static void fd_emulate_sync_cache(struct se_cmd *cmd)

{

	struct se_cmd *cmd = task->task_se_cmd;

	struct se_device *dev = cmd->se_dev;

	struct fd_dev *fd_dev = dev->dev_ptr;

	int immed = (cmd->t_task_cdb[1] & 0x2);