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| author | Christoph Hellwig <hch@lst.de> | 2014-10-19 17:13:57 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-10-28 09:53:43 +0100 |
| commit | e999dbc254044e8d2a5818d92d205f65bae28f37 (patch) | |
| tree | 83cc41a1ea52b44ab32afe4b22769b3b4d83ab26 | |
| parent | ae674792c32bc54832e52706ec669d59cbea7ab6 (diff) | |
| download | op-kernel-dev-e999dbc254044e8d2a5818d92d205f65bae28f37.zip op-kernel-dev-e999dbc254044e8d2a5818d92d205f65bae28f37.tar.gz | |
Revert "block: all blk-mq requests are tagged"
This reverts commit fb3ccb5da71273e7f0d50b50bc879e50cedd60e7.
SCSI-2/SPI actually needs the tagged/untagged flag in the request to
work properly. Revert this patch and add a follow on to set it in
the right place.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Reported-by: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
Cc: stable@vger.kernel.org
| -rw-r--r-- | include/linux/blkdev.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0207a78..51d0dc2 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1136,8 +1136,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk) /* * tag stuff */ -#define blk_rq_tagged(rq) \ - ((rq)->mq_ctx || ((rq)->cmd_flags & REQ_QUEUED)) +#define blk_rq_tagged(rq) ((rq)->cmd_flags & REQ_QUEUED) extern int blk_queue_start_tag(struct request_queue *, struct request *); extern struct request *blk_queue_find_tag(struct request_queue *, int); extern void blk_queue_end_tag(struct request_queue *, struct request *); |
