From: Max Reitz <mreitz@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
qemu-block@nongnu.org
Cc: kwolf@redhat.com, wencongyang2@huawei.com,
xiechanglong.d@gmail.com, armbru@redhat.com,
qemu-devel@nongnu.org, den@openvz.org, jsnow@redhat.com
Subject: Re: [PATCH v2 05/20] block/block-copy: implement block_copy_async
Date: Tue, 21 Jul 2020 10:43:36 +0200 [thread overview]
Message-ID: <864df28f-bcfa-81ed-30a2-71a9d09d59c4@redhat.com> (raw)
In-Reply-To: <39f90110-105b-2399-17c9-901da7078106@virtuozzo.com>
[-- Attachment #1.1: Type: text/plain, Size: 1760 bytes --]
On 17.07.20 17:24, Vladimir Sementsov-Ogievskiy wrote:
> 17.07.2020 17:00, Max Reitz wrote:
>> On 01.06.20 20:11, Vladimir Sementsov-Ogievskiy wrote:
>>> We'll need async block-copy invocation to use in backup directly.
>>>
>>> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
>>> ---
>>> include/block/block-copy.h | 13 +++++++++++++
>>> block/block-copy.c | 40 ++++++++++++++++++++++++++++++++++++++
>>> 2 files changed, 53 insertions(+)
[...]
>>> +BlockCopyCallState *block_copy_async(BlockCopyState *s,
>>> + int64_t offset, int64_t bytes,
>>> + bool ratelimit, int max_workers,
>>> + int64_t max_chunk,
>>> + BlockCopyAsyncCallbackFunc cb)
>>> +{
>>> + BlockCopyCallState *call_state = g_new(BlockCopyCallState, 1);
>>> + Coroutine *co = qemu_coroutine_create(block_copy_async_co_entry,
>>> + call_state);
>>> +
>>> + *call_state = (BlockCopyCallState) {
>>> + .s = s,
>>> + .offset = offset,
>>> + .bytes = bytes,
>>> + .cb = cb,
>>> + };
>>> +
>>> + qemu_coroutine_enter(co);
>>
>> Do we need/want any already-in-coroutine shenanigans here?
>>
>
> No: the aim of the function is to start a new coroutine in parallel,
> independently of are we already in some other coroutine or not.
OK, that makes sense.
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
next prev parent reply other threads:[~2020-07-21 8:44 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-01 18:10 [PATCH v2 00/20] backup performance: block_status + async Vladimir Sementsov-Ogievskiy
2020-06-01 18:10 ` [PATCH v2 01/20] block/block-copy: block_copy_dirty_clusters: fix failure check Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 02/20] iotests: 129 don't check backup "busy" Vladimir Sementsov-Ogievskiy
2020-07-17 12:57 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 03/20] qapi: backup: add x-use-copy-range parameter Vladimir Sementsov-Ogievskiy
2020-07-17 13:15 ` Max Reitz
2020-07-17 15:18 ` Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 04/20] block/block-copy: More explicit call_state Vladimir Sementsov-Ogievskiy
2020-07-17 13:45 ` Max Reitz
2020-09-18 20:11 ` Vladimir Sementsov-Ogievskiy
2020-09-21 8:54 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 05/20] block/block-copy: implement block_copy_async Vladimir Sementsov-Ogievskiy
2020-07-17 14:00 ` Max Reitz
2020-07-17 15:24 ` Vladimir Sementsov-Ogievskiy
2020-07-21 8:43 ` Max Reitz [this message]
2020-06-01 18:11 ` [PATCH v2 06/20] block/block-copy: add max_chunk and max_workers parameters Vladimir Sementsov-Ogievskiy
2020-07-22 9:39 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 07/20] block/block-copy: add ratelimit to block-copy Vladimir Sementsov-Ogievskiy
2020-07-22 11:05 ` Max Reitz
2020-09-25 18:19 ` Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 08/20] block/block-copy: add block_copy_cancel Vladimir Sementsov-Ogievskiy
2020-07-22 11:28 ` Max Reitz
2020-10-22 20:50 ` Vladimir Sementsov-Ogievskiy
2020-10-23 9:49 ` Vladimir Sementsov-Ogievskiy
2020-11-04 17:26 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 09/20] blockjob: add set_speed to BlockJobDriver Vladimir Sementsov-Ogievskiy
2020-07-22 11:34 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 10/20] job: call job_enter from job_user_pause Vladimir Sementsov-Ogievskiy
2020-07-22 11:49 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 11/20] qapi: backup: add x-max-chunk and x-max-workers parameters Vladimir Sementsov-Ogievskiy
2020-06-02 8:19 ` Vladimir Sementsov-Ogievskiy
2020-07-22 12:22 ` Max Reitz
2020-07-23 7:43 ` Max Reitz
2020-10-22 20:35 ` Vladimir Sementsov-Ogievskiy
2020-11-04 17:19 ` Max Reitz
2020-11-09 11:11 ` Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 12/20] iotests: 56: prepare for backup over block-copy Vladimir Sementsov-Ogievskiy
2020-07-23 7:57 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 13/20] iotests: 129: " Vladimir Sementsov-Ogievskiy
2020-07-23 8:03 ` Max Reitz
2020-10-22 21:10 ` Vladimir Sementsov-Ogievskiy
2020-11-04 17:30 ` Max Reitz
2020-11-09 12:16 ` Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 14/20] iotests: 185: " Vladimir Sementsov-Ogievskiy
2020-07-23 8:19 ` Max Reitz
2020-10-22 21:16 ` Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 15/20] iotests: 219: " Vladimir Sementsov-Ogievskiy
2020-07-23 8:35 ` Max Reitz
2020-10-22 21:20 ` Vladimir Sementsov-Ogievskiy
2020-06-01 18:11 ` [PATCH v2 16/20] iotests: 257: " Vladimir Sementsov-Ogievskiy
2020-07-23 8:49 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 17/20] backup: move to block-copy Vladimir Sementsov-Ogievskiy
2020-07-23 9:47 ` Max Reitz
2020-09-21 13:58 ` Vladimir Sementsov-Ogievskiy
2020-10-26 15:18 ` Vladimir Sementsov-Ogievskiy
2020-11-04 17:45 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 18/20] block/block-copy: drop unused argument of block_copy() Vladimir Sementsov-Ogievskiy
2020-07-23 13:24 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 19/20] simplebench: bench_block_job: add cmd_options argument Vladimir Sementsov-Ogievskiy
2020-07-23 13:30 ` Max Reitz
2020-06-01 18:11 ` [PATCH v2 20/20] simplebench: add bench-backup.py Vladimir Sementsov-Ogievskiy
2020-07-23 13:47 ` Max Reitz
2020-06-01 18:15 ` [PATCH v2 00/20] backup performance: block_status + async Vladimir Sementsov-Ogievskiy
2020-06-01 18:59 ` no-reply
2020-06-02 8:20 ` Vladimir Sementsov-Ogievskiy
2020-06-01 19:43 ` no-reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=864df28f-bcfa-81ed-30a2-71a9d09d59c4@redhat.com \
--to=mreitz@redhat.com \
--cc=armbru@redhat.com \
--cc=den@openvz.org \
--cc=jsnow@redhat.com \
--cc=kwolf@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=vsementsov@virtuozzo.com \
--cc=wencongyang2@huawei.com \
--cc=xiechanglong.d@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).