From: Max Reitz <mreitz@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
qemu-block@nongnu.org
Cc: kwolf@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com,
stefanha@redhat.com, den@openvz.org
Subject: Re: [Qemu-devel] [PATCH v3 1/4] block: introduce aio task pool
Date: Thu, 15 Aug 2019 15:41:27 +0200 [thread overview]
Message-ID: <ffb68839-2d43-210f-4041-3482e72501a7@redhat.com> (raw)
In-Reply-To: <20190815121042.121309-2-vsementsov@virtuozzo.com>
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On 15.08.19 14:10, Vladimir Sementsov-Ogievskiy wrote:
> Common interface for aio task loops. To be used for improving
> performance of synchronous io loops in qcow2, block-stream,
> copy-on-read, and may be other places.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
> include/block/aio_task.h | 54 +++++++++++++++++
> block/aio_task.c | 124 +++++++++++++++++++++++++++++++++++++++
> block/Makefile.objs | 2 +
> 3 files changed, 180 insertions(+)
> create mode 100644 include/block/aio_task.h
> create mode 100644 block/aio_task.c
>
> diff --git a/include/block/aio_task.h b/include/block/aio_task.h
> new file mode 100644
> index 0000000000..58b4d99e59
> --- /dev/null
> +++ b/include/block/aio_task.h
[...]
> +AioTaskPool *aio_task_pool_new(int max_busy_tasks);
Because aio_task_pool_wait_one() asserts that it runs in the same
coroutine as aio_task_pool_new(), this should be a coroutine_fn as well.
O:-)
But I don’t want to be responsible for breaking your “1” key (assuming
you have the exclamation mark there):
Reviewed-by: Max Reitz <mreitz@redhat.com>
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next prev parent reply other threads:[~2019-08-15 13:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-15 12:10 [Qemu-devel] [PATCH v3 0/4] qcow2: async handling of fragmented io Vladimir Sementsov-Ogievskiy
2019-08-15 12:10 ` [Qemu-devel] [PATCH v3 1/4] block: introduce aio task pool Vladimir Sementsov-Ogievskiy
2019-08-15 13:41 ` Max Reitz [this message]
2019-08-15 12:10 ` [Qemu-devel] [PATCH v3 2/4] block/qcow2: refactor qcow2_co_preadv_part Vladimir Sementsov-Ogievskiy
2019-08-15 13:56 ` Max Reitz
2019-08-15 12:10 ` [Qemu-devel] [PATCH v3 3/4] block/qcow2: refactor qcow2_co_pwritev_part Vladimir Sementsov-Ogievskiy
2019-08-15 14:02 ` Max Reitz
2019-08-15 12:10 ` [Qemu-devel] [PATCH v3 4/4] block/qcow2: introduce parallel subrequest handling in read and write Vladimir Sementsov-Ogievskiy
2019-08-15 14:07 ` Max Reitz
2019-08-15 13:21 ` [Qemu-devel] [PATCH v3 0/4] qcow2: async handling of fragmented io Max Reitz
2019-08-15 15:35 ` Vladimir Sementsov-Ogievskiy
2019-08-15 14:09 ` Max Reitz
2019-08-15 15:39 ` Vladimir Sementsov-Ogievskiy
2019-08-16 16:42 ` Vladimir Sementsov-Ogievskiy
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