From: Jens Axboe <axboe@kernel.dk>
To: linux-aio@kvack.org, linux-block@vger.kernel.org,
linux-api@vger.kernel.org
Cc: hch@lst.de, jmoyer@redhat.com, avi@scylladb.com, jannh@google.com
Subject: [PATCHSET v11] io_uring IO interface
Date: Fri, 1 Feb 2019 08:23:56 -0700 [thread overview]
Message-ID: <20190201152414.23296-1-axboe@kernel.dk> (raw)
Here's v11 of the io_uring project. Main fixes in this release is a
rework of how we grab the ctx->uring_lock, never using trylock for it in
a user visible way. Outside of that, fixes around locking for the polled
list when we hit -EAGAIN conditions on IO submit. This fixes list
corruption issues with polling that some users have reported.
As far as I'm concerned, this project is ready to get staged for 5.1.
Please do review carefully so we can fix any minor nits that might still
exist.
The liburing git repo has a full set of man pages for this, though they
could probably still use a bit of polish. I'd also like to see a
io_uring(7) man page to describe the overall design of the project,
expect that in the not-so-distant future. You can clone that here:
git://git.kernel.dk/liburing
Patches are against 5.0-rc4, and can also be found in my io_uring branch
here:
git://git.kernel.dk/linux-block io_uring
Changes since v10:
- Rework uring_lock locking
- Ensure that async contexts lock when fiddling with polled lists
- Minor tweak to io_iopoll_check() continue looping condition
- Fold __io_uring_enter() into io_uring_enter()
Documentation/filesystems/vfs.txt | 3 +
arch/x86/entry/syscalls/syscall_32.tbl | 3 +
arch/x86/entry/syscalls/syscall_64.tbl | 3 +
block/bio.c | 59 +-
fs/Makefile | 1 +
fs/block_dev.c | 19 +-
fs/file.c | 15 +-
fs/file_table.c | 9 +-
fs/gfs2/file.c | 2 +
fs/io_uring.c | 2621 ++++++++++++++++++++++++
fs/iomap.c | 48 +-
fs/xfs/xfs_file.c | 1 +
include/linux/bio.h | 14 +
include/linux/blk_types.h | 1 +
include/linux/file.h | 2 +
include/linux/fs.h | 6 +-
include/linux/iomap.h | 1 +
include/linux/sched/user.h | 2 +-
include/linux/syscalls.h | 8 +
include/uapi/asm-generic/unistd.h | 8 +-
include/uapi/linux/io_uring.h | 141 ++
init/Kconfig | 9 +
kernel/sys_ni.c | 3 +
23 files changed, 2938 insertions(+), 41 deletions(-)
--
Jens Axboe
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WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <axboe@kernel.dk>
To: linux-aio@kvack.org, linux-block@vger.kernel.org,
linux-api@vger.kernel.org
Cc: hch@lst.de, jmoyer@redhat.com, avi@scylladb.com, jannh@google.com
Subject: [PATCHSET v11] io_uring IO interface
Date: Fri, 1 Feb 2019 08:23:56 -0700 [thread overview]
Message-ID: <20190201152414.23296-1-axboe@kernel.dk> (raw)
Here's v11 of the io_uring project. Main fixes in this release is a
rework of how we grab the ctx->uring_lock, never using trylock for it in
a user visible way. Outside of that, fixes around locking for the polled
list when we hit -EAGAIN conditions on IO submit. This fixes list
corruption issues with polling that some users have reported.
As far as I'm concerned, this project is ready to get staged for 5.1.
Please do review carefully so we can fix any minor nits that might still
exist.
The liburing git repo has a full set of man pages for this, though they
could probably still use a bit of polish. I'd also like to see a
io_uring(7) man page to describe the overall design of the project,
expect that in the not-so-distant future. You can clone that here:
git://git.kernel.dk/liburing
Patches are against 5.0-rc4, and can also be found in my io_uring branch
here:
git://git.kernel.dk/linux-block io_uring
Changes since v10:
- Rework uring_lock locking
- Ensure that async contexts lock when fiddling with polled lists
- Minor tweak to io_iopoll_check() continue looping condition
- Fold __io_uring_enter() into io_uring_enter()
Documentation/filesystems/vfs.txt | 3 +
arch/x86/entry/syscalls/syscall_32.tbl | 3 +
arch/x86/entry/syscalls/syscall_64.tbl | 3 +
block/bio.c | 59 +-
fs/Makefile | 1 +
fs/block_dev.c | 19 +-
fs/file.c | 15 +-
fs/file_table.c | 9 +-
fs/gfs2/file.c | 2 +
fs/io_uring.c | 2621 ++++++++++++++++++++++++
fs/iomap.c | 48 +-
fs/xfs/xfs_file.c | 1 +
include/linux/bio.h | 14 +
include/linux/blk_types.h | 1 +
include/linux/file.h | 2 +
include/linux/fs.h | 6 +-
include/linux/iomap.h | 1 +
include/linux/sched/user.h | 2 +-
include/linux/syscalls.h | 8 +
include/uapi/asm-generic/unistd.h | 8 +-
include/uapi/linux/io_uring.h | 141 ++
init/Kconfig | 9 +
kernel/sys_ni.c | 3 +
23 files changed, 2938 insertions(+), 41 deletions(-)
--
Jens Axboe
next reply other threads:[~2019-02-01 15:23 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-01 15:23 Jens Axboe [this message]
2019-02-01 15:23 ` [PATCHSET v11] io_uring IO interface Jens Axboe
2019-02-01 15:23 ` [PATCH 01/18] fs: add an iopoll method to struct file_operations Jens Axboe
2019-02-01 15:23 ` Jens Axboe
2019-02-01 15:23 ` [PATCH 02/18] block: wire up block device iopoll method Jens Axboe
2019-02-01 15:23 ` Jens Axboe
2019-02-01 15:23 ` [PATCH 03/18] block: add bio_set_polled() helper Jens Axboe
2019-02-01 15:23 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 04/18] iomap: wire up the iopoll method Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 16:59 ` Bart Van Assche
2019-02-01 16:59 ` Bart Van Assche
2019-02-06 20:05 ` Jens Axboe
2019-02-06 20:05 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 05/18] Add io_uring IO interface Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 18:20 ` Florian Weimer
2019-02-01 18:20 ` Florian Weimer
2019-02-05 16:58 ` Jens Axboe
2019-02-05 16:58 ` Jens Axboe
2019-02-04 23:22 ` Jeff Moyer
2019-02-04 23:22 ` Jeff Moyer
2019-02-04 23:52 ` Jeff Moyer
2019-02-04 23:52 ` Jeff Moyer
2019-02-05 16:59 ` Jens Axboe
2019-02-05 16:59 ` Jens Axboe
2019-02-05 16:58 ` Jens Axboe
2019-02-05 16:58 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 06/18] io_uring: add fsync support Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 07/18] io_uring: support for IO polling Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 08/18] fs: add fget_many() and fput_many() Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 09/18] io_uring: use fget/fput_many() for file references Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 10/18] io_uring: batch io_kiocb allocation Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 11/18] block: implement bio helper to add iter bvec pages to bio Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 12/18] io_uring: add support for pre-mapped user IO buffers Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 13/18] io_uring: add file set registration Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 14/18] io_uring: add submission polling Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 15/18] io_uring: add io_kiocb ref count Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 16/18] io_uring: add support for IORING_OP_POLL Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 17/18] io_uring: allow workqueue item to handle multiple buffered requests Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 15:24 ` [PATCH 18/18] io_uring: add io_uring_event cache hit information Jens Axboe
2019-02-01 15:24 ` Jens Axboe
2019-02-01 22:52 ` [PATCHSET v11] io_uring IO interface Bart Van Assche
2019-02-01 22:52 ` Bart Van Assche
2019-02-02 13:52 ` Jens Axboe
2019-02-02 13:52 ` Jens Axboe
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