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scsi: core: Extend struct scsi_exec_args

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Allow SCSI LLDs to specify SCMD_* flags.

Link: https://lore.kernel.org/r/20230210193258.4004923-2-bvanassche@acm.org
Cc: Mike Christie <michael.christie@oracle.com>
Cc: John Garry <john.g.garry@oracle.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche
2023-02-10 11:32:56 -08:00
committed by Martin K. Petersen
parent 442336a5a9
commit 35cd2f5542
2 changed files with 2 additions and 0 deletions
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1
drivers/scsi/scsi_lib.c
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@@ -229,6 +229,7 @@ int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd,
scmd->cmd_len = COMMAND_SIZE(cmd[0]);
memcpy(scmd->cmnd, cmd, scmd->cmd_len);
scmd->allowed = retries;
scmd->flags |= args->scmd_flags;
req->timeout = timeout;
req->rq_flags |= RQF_QUIET;

1
include/scsi/scsi_device.h
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@@ -462,6 +462,7 @@ struct scsi_exec_args {
unsigned int sense_len; /* sense buffer len */
struct scsi_sense_hdr *sshdr; /* decoded sense header */
blk_mq_req_flags_t req_flags; /* BLK_MQ_REQ flags */
int scmd_flags; /* SCMD flags */
int *resid; /* residual length */
};