From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>, Mike Snitzer <snitzer@redhat.com>
Cc: Ming Lei <ming.lei@redhat.com>,
linux-block@vger.kernel.org, dm-devel@redhat.com,
Jeffle Xu <jefflexu@linux.alibaba.com>,
Christoph Hellwig <hch@lst.de>
Subject: [dm-devel] [RFC PATCH V2 0/3] block/dm: support bio polling
Date: Thu, 17 Jun 2021 18:35:46 +0800 [thread overview]
Message-ID: <20210617103549.930311-1-ming.lei@redhat.com> (raw)
Hello Guys,
Based on Christoph's bio based polling model[1], implement DM bio polling
with one very simple approach.
Patch 1 adds helper of blk_queue_poll().
Patch 2 adds .bio_poll() callback to block_device_operations, so bio
driver can implement its own logic for io polling.
Patch 3 implements bio polling for device mapper.
Any comments are welcome.
V2:
- drop patch to add new fields into bio
- support io polling for dm native bio splitting
- add comment
Ming Lei (3):
block: add helper of blk_queue_poll
block: add ->poll_bio to block_device_operations
dm: support bio polling
block/blk-core.c | 21 +++++---
block/blk-sysfs.c | 4 +-
block/genhd.c | 3 ++
drivers/md/dm-table.c | 24 +++++++++
drivers/md/dm.c | 111 +++++++++++++++++++++++++++++++++++++--
drivers/nvme/host/core.c | 2 +-
include/linux/blkdev.h | 3 ++
7 files changed, 155 insertions(+), 13 deletions(-)
--
2.31.1
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next reply other threads:[~2021-06-17 10:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 10:35 Ming Lei [this message]
2021-06-17 10:35 ` [dm-devel] [RFC PATCH V2 1/3] block: add helper of blk_queue_poll Ming Lei
2021-06-21 7:20 ` Christoph Hellwig
2021-06-21 8:38 ` Ming Lei
2021-06-17 10:35 ` [dm-devel] [RFC PATCH V2 2/3] block: add ->poll_bio to block_device_operations Ming Lei
2021-06-21 7:25 ` Christoph Hellwig
2021-06-21 8:41 ` Ming Lei
2021-06-17 10:35 ` [dm-devel] [RFC PATCH V2 3/3] dm: support bio polling Ming Lei
2021-06-17 23:08 ` Ming Lei
2021-06-18 8:19 ` JeffleXu
2021-06-18 13:29 ` Ming Lei
2021-06-18 14:39 ` Ming Lei
2021-06-18 20:56 ` Mike Snitzer
2021-06-19 0:27 ` Ming Lei
2021-06-21 1:32 ` JeffleXu
2021-06-21 11:33 ` JeffleXu
2021-06-21 14:04 ` Ming Lei
2021-06-22 2:26 ` JeffleXu
2021-06-22 2:45 ` Ming Lei
2021-06-22 7:45 ` JeffleXu
2021-06-30 8:30 ` Ming Lei
2021-06-21 7:36 ` Christoph Hellwig
2021-06-21 9:09 ` Ming Lei
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