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scsi: scsi_ioctl: Remove scsi_req_init() 

Merge scsi_req_init() into its only caller.

Link: https://lore.kernel.org/r/20210724072033.1284840-16-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2021-07-24 09:20:24 +02:00 committed by Martin K. Petersen
parent 7801104268
commit 2cece37784
3 changed files with 6 additions and 18 deletions
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15
block/scsi_ioctl.c
View File

@ -817,21 +817,6 @@ int scsi_cmd_ioctl(struct request_queue *q, struct gendisk *bd_disk, fmode_t mod
}
EXPORT_SYMBOL(scsi_cmd_ioctl);
/**
* scsi_req_init - initialize certain fields of a scsi_request structure
* @req: Pointer to a scsi_request structure.
* Initializes .__cmd[], .cmd, .cmd_len and .sense_len but no other members
* of struct scsi_request.
*/
void scsi_req_init(struct scsi_request *req)
{
memset(req->__cmd, 0, sizeof(req->__cmd));
req->cmd = req->__cmd;
req->cmd_len = BLK_MAX_CDB;
req->sense_len = 0;
}
EXPORT_SYMBOL(scsi_req_init);
static int __init blk_scsi_ioctl_init(void)
{
blk_set_cmd_filter_defaults(&blk_default_cmd_filter);

7
drivers/scsi/scsi_lib.c
View File

@ -1083,8 +1083,13 @@ EXPORT_SYMBOL(scsi_alloc_sgtables);
static void scsi_initialize_rq(struct request *rq)
{
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
struct scsi_request *req = &cmd->req;
memset(req->__cmd, 0, sizeof(req->__cmd));
req->cmd = req->__cmd;
req->cmd_len = BLK_MAX_CDB;
req->sense_len = 0;
scsi_req_init(&cmd->req);
init_rcu_head(&cmd->rcu);
cmd->jiffies_at_alloc = jiffies;
cmd->retries = 0;

2
include/scsi/scsi_request.h
View File

@ -28,6 +28,4 @@ static inline void scsi_req_free_cmd(struct scsi_request *req)
kfree(req->cmd);
}
void scsi_req_init(struct scsi_request *req);
#endif /* _SCSI_SCSI_REQUEST_H */