From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
martin.petersen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org,
agk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
shli-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
philipp.reisner-63ez5xqkn6DQT0dZR+AlfA@public.gmane.org,
lars.ellenberg-63ez5xqkn6DQT0dZR+AlfA@public.gmane.org
Cc: linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org
Subject: [PATCH 02/27] block: renumber REQ_OP_WRITE_ZEROES
Date: Wed, 5 Apr 2017 16:21:40 +0200 [thread overview]
Message-ID: <20170405142205.6477-3-hch@lst.de> (raw)
In-Reply-To: <20170405142205.6477-1-hch-jcswGhMUV9g@public.gmane.org>
Make life easy for implementations that needs to send a data buffer
to the device (e.g. SCSI) by numbering it as a data out command.
Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Reviewed-by: Martin K. Petersen <martin.petersen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Reviewed-by: Hannes Reinecke <hare-IBi9RG/b67k@public.gmane.org>
---
include/linux/blk_types.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 67bcf8a5326e..4eae30bfbfca 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -168,7 +168,7 @@ enum req_opf {
/* write the same sector many times */
REQ_OP_WRITE_SAME = 7,
/* write the zero filled sector many times */
- REQ_OP_WRITE_ZEROES = 8,
+ REQ_OP_WRITE_ZEROES = 9,
/* SCSI passthrough using struct scsi_request */
REQ_OP_SCSI_IN = 32,
--
2.11.0
next prev parent reply other threads:[~2017-04-05 14:21 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-05 14:21 always use REQ_OP_WRITE_ZEROES for zeroing offload V2 Christoph Hellwig
[not found] ` <20170405142205.6477-1-hch-jcswGhMUV9g@public.gmane.org>
2017-04-05 14:21 ` [PATCH 01/27] sd: split sd_setup_discard_cmnd Christoph Hellwig
2017-04-05 14:21 ` Christoph Hellwig [this message]
2017-04-05 14:21 ` [PATCH 03/27] block: implement splitting of REQ_OP_WRITE_ZEROES bios Christoph Hellwig
2017-04-10 19:40 ` Anthony Youngman
2017-04-05 14:51 ` always use REQ_OP_WRITE_ZEROES for zeroing offload V2 Christoph Hellwig
2017-04-05 14:21 ` [PATCH 04/27] sd: implement REQ_OP_WRITE_ZEROES Christoph Hellwig
2017-04-05 14:21 ` [PATCH 05/27] md: support REQ_OP_WRITE_ZEROES Christoph Hellwig
2017-04-05 14:21 ` [PATCH 06/27] dm io: discards don't take a payload Christoph Hellwig
2017-04-05 14:21 ` [PATCH 07/27] dm: support REQ_OP_WRITE_ZEROES Christoph Hellwig
2017-04-05 14:21 ` [PATCH 08/27] dm kcopyd: switch to use REQ_OP_WRITE_ZEROES Christoph Hellwig
2017-04-05 14:21 ` [PATCH 09/27] block: stop using blkdev_issue_write_same for zeroing Christoph Hellwig
2017-04-05 14:21 ` [PATCH 10/27] block: add a flags argument to (__)blkdev_issue_zeroout Christoph Hellwig
2017-04-05 14:21 ` [PATCH 11/27] block: add a REQ_NOUNMAP flag for REQ_OP_WRITE_ZEROES Christoph Hellwig
2017-04-05 14:21 ` [PATCH 12/27] block: add a new BLKDEV_ZERO_NOFALLBACK flag Christoph Hellwig
2017-04-05 14:21 ` [PATCH 13/27] block_dev: use blkdev_issue_zerout for hole punches Christoph Hellwig
2017-04-05 14:21 ` [PATCH 14/27] sd: implement unmapping Write Zeroes Christoph Hellwig
2017-04-05 14:21 ` [PATCH 15/27] nvme: implement REQ_OP_WRITE_ZEROES Christoph Hellwig
2017-04-05 14:21 ` [PATCH 16/27] zram: " Christoph Hellwig
2017-04-05 14:21 ` [PATCH 17/27] loop: " Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2017-04-05 17:20 always use REQ_OP_WRITE_ZEROES for zeroing offload V2 Christoph Hellwig
2017-04-05 17:21 ` [PATCH 02/27] block: renumber REQ_OP_WRITE_ZEROES Christoph Hellwig
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