From: Jens Axboe <axboe@kernel.dk>
To: io-uring@vger.kernel.org
Cc: linux-block@vger.kernel.org, hch@infradead.org
Subject: [PATCHSET v5 0/6] Enable bio recycling for polled IO
Date: Thu, 12 Aug 2021 09:41:43 -0600 [thread overview]
Message-ID: <20210812154149.1061502-1-axboe@kernel.dk> (raw)
Hi,
For v4, see posting here:
https://lore.kernel.org/io-uring/20210811193533.766613-1-axboe@kernel.dk/
3.5M+ IOPS per core:
axboe@amd ~/g/fio (master)> sudo taskset -c 0 t/io_uring -b512 -d128 -c32 -s32 -p1 -F1 -B1 /dev/nvme3n1
i 8, argc 9
Added file /dev/nvme3n1 (submitter 0)
sq_ring ptr = 0x0x7fdab1a8d000
sqes ptr = 0x0x7fdab1a8b000
cq_ring ptr = 0x0x7fdab1a89000
polled=1, fixedbufs=1, register_files=1, buffered=0 QD=128, sq_ring=128, cq_ring=256
submitter=1757
IOPS=3520608, IOS/call=32/31, inflight=47 (47)
IOPS=3514432, IOS/call=32/32, inflight=32 (32)
IOPS=3513440, IOS/call=32/31, inflight=128 (128)
IOPS=3507616, IOS/call=32/32, inflight=32 (32)
IOPS=3505984, IOS/call=32/32, inflight=32 (32)
IOPS=3511328, IOS/call=32/31, inflight=64 (64)
[snip]
Changes can also be bound in my io_uring-bio-cache.5 branch, and sit
on top of for-5.15/io_uring.
block/bio.c | 164 +++++++++++++++++++++++++++++++++----
block/blk-core.c | 5 +-
fs/block_dev.c | 6 +-
fs/io_uring.c | 2 +-
include/linux/bio.h | 13 +++
include/linux/blk_types.h | 1 +
include/linux/cpuhotplug.h | 1 +
include/linux/fs.h | 2 +
8 files changed, 175 insertions(+), 19 deletions(-)
Changes since v4:
- Kill __bio_init() helper
- Kill __bio_put() helper
- Cleanup bio_alloc_kiocb()
- Expand commit messages
- Various little tweaks
- Add kerneldoc for bio_alloc_kiocb()
- Fix attribution on last patch
- Remove bio.h list manipulation leftovers
- Move cpuhp_dead notifier to end of bio_set
- Rebase on for-5.15/io_uring
--
Jens Axboe
next reply other threads:[~2021-08-12 15:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 15:41 Jens Axboe [this message]
2021-08-12 15:41 ` [PATCH 1/6] bio: optimize initialization of a bio Jens Axboe
2021-08-12 16:16 ` Christoph Hellwig
2021-08-12 15:41 ` [PATCH 2/6] fs: add kiocb alloc cache flag Jens Axboe
2021-08-12 16:20 ` Christoph Hellwig
2021-08-12 15:41 ` [PATCH 3/6] bio: add allocation cache abstraction Jens Axboe
2021-08-12 16:32 ` Christoph Hellwig
2021-08-12 16:39 ` Jens Axboe
2021-08-12 15:41 ` [PATCH 4/6] block: clear BIO_PERCPU_CACHE flag if polling isn't supported Jens Axboe
2021-08-12 16:33 ` Christoph Hellwig
2021-08-12 17:31 ` Keith Busch
2021-08-12 17:41 ` Jens Axboe
2021-08-13 20:17 ` Keith Busch
2021-08-13 20:19 ` Jens Axboe
2021-08-13 20:31 ` Keith Busch
2021-08-13 20:33 ` Jens Axboe
2021-08-12 15:41 ` [PATCH 5/6] io_uring: enable use of bio alloc cache Jens Axboe
2021-08-12 16:39 ` Christoph Hellwig
2021-08-12 16:46 ` Jens Axboe
2021-08-12 15:41 ` [PATCH 6/6] block: use the percpu bio cache in __blkdev_direct_IO Jens Axboe
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