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scsi: block: remove bidi support

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Unused now, and another field in struct request bites the dust.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig
2018-12-06 08:01:10 -08:00
committed by Martin K. Petersen
parent 69ed175c19
commit 8b3238cabd
3 changed files with 0 additions and 10 deletions
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6
include/linux/blkdev.h
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@@ -234,9 +234,6 @@ struct request {
*/
rq_end_io_fn *end_io;
void *end_io_data;
/* for bidi */
struct request *next_rq;
};
static inline bool blk_op_is_scsi(unsigned int op)
@@ -572,7 +569,6 @@ struct request_queue {
#define QUEUE_FLAG_STOPPED 1 /* queue is stopped */
#define QUEUE_FLAG_DYING 2 /* queue being torn down */
#define QUEUE_FLAG_BIDI 4 /* queue supports bidi requests */
#define QUEUE_FLAG_NOMERGES 5 /* disable merge attempts */
#define QUEUE_FLAG_SAME_COMP 6 /* complete on same CPU-group */
#define QUEUE_FLAG_FAIL_IO 7 /* fake timeout */
@@ -644,8 +640,6 @@ static inline bool blk_account_rq(struct request *rq)
return (rq->rq_flags & RQF_STARTED) && !blk_rq_is_passthrough(rq);
}
#define blk_bidi_rq(rq) ((rq)->next_rq != NULL)
#define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist)
#define rq_data_dir(rq) (op_is_write(req_op(rq)) ? WRITE : READ)