From: Stefan Hajnoczi <stefanha@redhat.com>
To: Aarushi Mehta <mehta.aaru20@gmail.com>
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
Sergio Lopez <slp@redhat.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
Max Reitz <mreitz@redhat.com>,
saket.sinha89@gmail.com, Paolo Bonzini <pbonzini@redhat.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
Julia Suvorova <jusual@mail.ru>,
Markus Armbruster <armbru@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v5 00/12] Add support for io_uring
Date: Tue, 11 Jun 2019 10:56:54 +0100 [thread overview]
Message-ID: <20190611095654.GS14257@stefanha-x1.localdomain> (raw)
In-Reply-To: <20190610134905.22294-1-mehta.aaru20@gmail.com>
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On Mon, Jun 10, 2019 at 07:18:53PM +0530, Aarushi Mehta wrote:
> This patch series adds support for the newly developed io_uring Linux AIO
> interface. Linux io_uring is faster than Linux's AIO asynchronous I/O code,
> offers efficient buffered asynchronous I/O support, the ability to do I/O
> without performing a system call via polled I/O, and other efficiency enhancements.
>
> Testing it requires a host kernel (5.1+) and the liburing library.
> Use the option -drive aio=io_uring to enable it.
>
> v5:
> - Adds completion polling
> - Extends qemu-io
> - Adds qemu-iotest
Flush is not hooked up. Please use the io_uring IOURING_OP_FSYNC that
you've already written and connect it to file-posix.c.
When doing this watch out for the qiov->size check during completion
processing. Flush doesn't have a qiov so it may be NULL.
Stefan
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next prev parent reply other threads:[~2019-06-11 9:59 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-10 13:48 [Qemu-devel] [PATCH v5 00/12] Add support for io_uring Aarushi Mehta
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 01/12] configure: permit use of io_uring Aarushi Mehta
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 02/12] qapi/block-core: add option for io_uring Aarushi Mehta
2019-06-11 7:36 ` Fam Zheng
2019-06-11 9:32 ` Stefan Hajnoczi
2019-07-03 6:26 ` Markus Armbruster
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 03/12] block/block: add BDRV flag " Aarushi Mehta
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 04/12] block/io_uring: implements interfaces " Aarushi Mehta
2019-06-11 11:17 ` Fam Zheng
2019-06-12 14:43 ` Stefan Hajnoczi
2019-06-17 12:26 ` Maxim Levitsky
2019-06-19 10:14 ` Stefan Hajnoczi
2019-06-19 10:47 ` Maxim Levitsky
2019-06-22 15:10 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 05/12] stubs: add stubs for io_uring interface Aarushi Mehta
2019-06-17 12:33 ` Maxim Levitsky
2019-06-19 10:21 ` Stefan Hajnoczi
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 06/12] util/async: add aio interfaces for io_uring Aarushi Mehta
2019-06-17 12:56 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 07/12] blockdev: accept io_uring as option Aarushi Mehta
2019-06-17 13:01 ` Maxim Levitsky
2019-06-19 10:24 ` Stefan Hajnoczi
2019-06-19 10:48 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 08/12] block/file-posix.c: extend to use io_uring Aarushi Mehta
2019-06-17 14:12 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 09/12] block: add trace events for io_uring Aarushi Mehta
2019-06-11 9:47 ` Stefan Hajnoczi
2019-06-11 11:34 ` Fam Zheng
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 10/12] block/io_uring: adds userspace completion polling Aarushi Mehta
2019-06-11 9:51 ` Stefan Hajnoczi
2019-06-17 14:14 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 11/12] qemu-io: adds support for io_uring Aarushi Mehta
2019-06-11 9:54 ` Stefan Hajnoczi
2019-06-11 12:26 ` Fam Zheng
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 12/12] qemu-iotests/087: checks " Aarushi Mehta
2019-06-11 9:58 ` Stefan Hajnoczi
2019-06-17 14:21 ` Maxim Levitsky
2019-06-11 9:56 ` Stefan Hajnoczi [this message]
2019-06-22 15:13 ` [Qemu-devel] [Qemu-block] [PATCH v5 00/12] Add support " Stefan Hajnoczi
2019-06-23 14:03 ` Stefan Hajnoczi
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