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authorChristoph Hellwig <hch@lst.de>2017-01-27 09:46:29 +0100
committerJens Axboe <axboe@fb.com>2017-01-27 15:08:35 -0700
commit82ed4db499b8598f16f8871261bff088d6b0597f (patch)
treee1cc0a433bf5ae2b9723837291617bdfeeb61816 /block/blk-exec.c
parent8ae94eb65be9425af4d57a4f4cfebfdf03081e93 (diff)
downloadlinux-0-day-82ed4db499b8598f16f8871261bff088d6b0597f.tar.gz
block: split scsi_request out of struct request
And require all drivers that want to support BLOCK_PC to allocate it as the first thing of their private data. To support this the legacy IDE and BSG code is switched to set cmd_size on their queues to let the block layer allocate the additional space. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-exec.c')
-rw-r--r--block/blk-exec.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/block/blk-exec.c b/block/blk-exec.c
index ed1f101..ed51800 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -11,11 +11,6 @@
#include "blk.h"
#include "blk-mq-sched.h"
-/*
- * for max sense size
- */
-#include <scsi/scsi_cmnd.h>
-
/**
* blk_end_sync_rq - executes a completion event on a request
* @rq: request to complete
@@ -101,16 +96,9 @@ int blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk,
struct request *rq, int at_head)
{
DECLARE_COMPLETION_ONSTACK(wait);
- char sense[SCSI_SENSE_BUFFERSIZE];
int err = 0;
unsigned long hang_check;
- if (!rq->sense) {
- memset(sense, 0, sizeof(sense));
- rq->sense = sense;
- rq->sense_len = 0;
- }
-
rq->end_io_data = &wait;
blk_execute_rq_nowait(q, bd_disk, rq, at_head, blk_end_sync_rq);
@@ -124,11 +112,6 @@ int blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk,
if (rq->errors)
err = -EIO;
- if (rq->sense == sense) {
- rq->sense = NULL;
- rq->sense_len = 0;
- }
-
return err;
}
EXPORT_SYMBOL(blk_execute_rq);