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authorChristoph Hellwig <hch@lst.de>2019-01-29 09:33:07 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2019-02-05 21:29:21 -0500
commitae3d56d81507c33024ba7c1eae2ef433aa9bc0d5 (patch)
tree8a812d0cbc109b3c09a18fd314499d064798037c /include/scsi
parent19fcae3d4f2dd513d472055fb694d802e9a21b91 (diff)
scsi: remove bidirectional command support
No real need for bidi support once the OSD code is gone. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_cmnd.h19
-rw-r--r--include/scsi/scsi_eh.h1
2 files changed, 1 insertions, 19 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index d85e6befa26b..af6ae3e1eba6 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -213,23 +213,6 @@ static inline int scsi_get_resid(struct scsi_cmnd *cmd)
#define scsi_for_each_sg(cmd, sg, nseg, __i) \
for_each_sg(scsi_sglist(cmd), sg, nseg, __i)
-static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)
-{
- return blk_bidi_rq(cmd->request) &&
- (cmd->request->next_rq->special != NULL);
-}
-
-static inline struct scsi_data_buffer *scsi_in(struct scsi_cmnd *cmd)
-{
- return scsi_bidi_cmnd(cmd) ?
- cmd->request->next_rq->special : &cmd->sdb;
-}
-
-static inline struct scsi_data_buffer *scsi_out(struct scsi_cmnd *cmd)
-{
- return &cmd->sdb;
-}
-
static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd,
void *buf, int buflen)
{
@@ -351,7 +334,7 @@ static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
{
- unsigned int xfer_len = scsi_out(scmd)->length;
+ unsigned int xfer_len = scmd->sdb.length;
unsigned int prot_interval = scsi_prot_interval(scmd);
if (scmd->prot_flags & SCSI_PROT_TRANSFER_PI)
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 2b7e227960e1..3810b340551c 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -39,7 +39,6 @@ struct scsi_eh_save {
unsigned char prot_op;
unsigned char *cmnd;
struct scsi_data_buffer sdb;
- struct request *next_rq;
/* new command support */
unsigned char eh_cmnd[BLK_MAX_CDB];
struct scatterlist sense_sgl;