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scsi: core: Move resid from scsi_data_buffer to scsi_cmnd 

This patch does not change any functionality but reduces the size of
struct scsi_cmnd.

Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2019-02-08 13:25:03 -08:00 committed by Martin K. Petersen
parent 80f82c169b
commit 9fa505adf9
2 changed files with 2 additions and 4 deletions
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1
drivers/scsi/scsi_lib.c
View File

@ -938,7 +938,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
* scsi_result_to_blk_status may have reset the host_byte
*/
scsi_req(req)->result = cmd->result;
scsi_req(req)->resid_len = scsi_get_resid(cmd);
}
/*

5
include/scsi/scsi_cmnd.h
View File

@ -35,7 +35,6 @@ struct scsi_driver;
struct scsi_data_buffer {
struct sg_table table;
unsigned length;
int resid;
};
/* embedded in scsi_cmnd */
@ -202,12 +201,12 @@ static inline unsigned scsi_bufflen(struct scsi_cmnd *cmd)
static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid)
{
cmd->sdb.resid = resid;
cmd->req.resid_len = resid;
}
static inline int scsi_get_resid(struct scsi_cmnd *cmd)
{
return cmd->sdb.resid;
return cmd->req.resid_len;
}
#define scsi_for_each_sg(cmd, sg, nseg, __i) \