scsi: block: remove req->special

No users left.

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>

3 files changed, 0 insertions, 5 deletions

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 3ba37b9e15e9..502cbf964a3b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -331,7 +331,6 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
         rq->nr_integrity_segments = 0;
 #endif
-        rq->special = NULL;
         /* tag was already set */
         rq->extra_len = 0;
         WRITE_ONCE(rq->deadline, 0);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3db9b1fe7516..c124459041dc 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1171,8 +1171,6 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
         if (ret != BLK_STS_OK)
                 return ret;
 
-        WARN_ON_ONCE(cmd != rq->special);
-
         if (!scsi_device_online(sdp) || sdp->changed) {
                 scmd_printk(KERN_ERR, cmd, "device offline or changed\n");
                 return BLK_STS_IOERR;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 338604dff7d0..fd1450d53f1c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -216,8 +216,6 @@ struct request {
         unsigned short write_hint;
         unsigned short ioprio;
 
-        void *special;          /* opaque pointer available for LLD use */
-
         unsigned int extra_len; /* length of alignment and padding */
 
         enum mq_rq_state state;