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scsi: block: remove req->special

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Christoph Hellwig committed 8 years ago

Commit 69ed1751 parent b9f91993 files · +0 −5Browse files

Unified · Split

3 files
  1. block/blk-mq.c +0 −1
  2. drivers/scsi/sd.c +0 −2
  3. include/linux/blkdev.h +0 −2
block/blk-mq.c+0−1
@@ -331,7 +331,6 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data, · 330 unmodified lines
331331 #if defined(CONFIG_BLK_DEV_INTEGRITY)
332332 rq->nr_integrity_segments = 0;
333333 #endif
334− rq->special = NULL;
335334 /* tag was already set */
336335 rq->extra_len = 0;
337336 WRITE_ONCE(rq->deadline, 0);
drivers/scsi/sd.c+0−2
@@ -1171,8 +1171,6 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd) · 1170 unmodified lines
11711171 if (ret != BLK_STS_OK)
11721172 return ret;
11731173
1174− WARN_ON_ONCE(cmd != rq->special);
1175−
11761174 if (!scsi_device_online(sdp) || sdp->changed) {
11771175 scmd_printk(KERN_ERR, cmd, "device offline or changed\n");
11781176 return BLK_STS_IOERR;
include/linux/blkdev.h+0−2
@@ -216,8 +216,6 @@ struct request { · 215 unmodified lines
216216 unsigned short write_hint;
217217 unsigned short ioprio;
218218
219− void *special; /* opaque pointer available for LLD use */
220−
221219 unsigned int extra_len; /* length of alignment and padding */
222220
223221 enum mq_rq_state state;