[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 11 Nov 2014 11:08:16 +0000
From: Luis Henriques <luis.henriques@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Christoph Hellwig <hch@....de>,
Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 137/170] Revert "block: all blk-mq requests are tagged"
3.16.7-ckt1 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Christoph Hellwig <hch@....de>
commit e999dbc254044e8d2a5818d92d205f65bae28f37 upstream.
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@....de>
Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>
Acked-by: Jens Axboe <axboe@...nel.dk>
Reported-by: Meelis Roos <mroos@...ux.ee>
Tested-by: Meelis Roos <mroos@...ux.ee>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
include/linux/blkdev.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8699bcf5f099..279390ee523a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1140,8 +1140,7 @@ 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 *);
--
2.1.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists