qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Stefan Hajnoczi <stefanha@gmail.com>
To: elohimes@gmail.com
Cc: mst@redhat.com, marcandre.lureau@redhat.com, berrange@redhat.com,
	jasowang@redhat.com, maxime.coquelin@redhat.com,
	yury-kotov@yandex-team.ru, wrfsh@yandex-team.ru, nixun@baidu.com,
	qemu-devel@nongnu.org, lilin24@baidu.com, zhangyu31@baidu.com,
	chaiwen@baidu.com, Xie Yongji <xieyongji@baidu.com>
Subject: Re: [Qemu-devel] [PATCH v4 for-4.0 0/7] vhost-user-blk: Add support for backend reconnecting
Date: Thu, 10 Jan 2019 10:25:51 +0000	[thread overview]
Message-ID: <20190110102551.GD19025@stefanha-x1.localdomain> (raw)
In-Reply-To: <20190109112728.9214-1-xieyongji@baidu.com>

[-- Attachment #1: Type: text/plain, Size: 653 bytes --]

On Wed, Jan 09, 2019 at 07:27:21PM +0800, elohimes@gmail.com wrote:
> From: Xie Yongji <xieyongji@baidu.com>
> 
> This patchset is aimed at supporting qemu to reconnect
> vhost-user-blk backend after vhost-user-blk backend crash or
> restart.
> 
> The patch 1 uses exisiting wait/nowait options to make QEMU not
> do a connect on client sockets during initialization of the chardev.
> 
> The patch 2 introduces two new messages VHOST_USER_GET_INFLIGHT_FD
> and VHOST_USER_SET_INFLIGHT_FD to support providing shared
> memory to backend.

Can you describe the problem that the inflight I/O shared memory region
solves?

Thanks,
Stefan

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 455 bytes --]

  parent reply	other threads:[~2019-01-10 10:25 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-09 11:27 [Qemu-devel] [PATCH v4 for-4.0 0/7] vhost-user-blk: Add support for backend reconnecting elohimes
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 1/7] char-socket: Enable "nowait" option on client sockets elohimes
2019-01-10 12:49   ` Daniel P. Berrangé
2019-01-10 13:19     ` Yongji Xie
2019-01-10 13:24       ` Daniel P. Berrangé
2019-01-10 14:08         ` Yongji Xie
2019-01-10 14:11           ` Daniel P. Berrangé
2019-01-10 14:29             ` Yongji Xie
2019-01-10 16:41               ` Daniel P. Berrangé
2019-01-11  7:50                 ` Yongji Xie
2019-01-11  8:32                   ` Daniel P. Berrangé
2019-01-11  8:36                     ` Yongji Xie
2019-01-15 15:39                       ` Daniel P. Berrangé
2019-01-15 16:53                         ` Yury Kotov
2019-01-15 17:15                           ` Daniel P. Berrangé
2019-01-16  5:39                         ` Yongji Xie
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 2/7] vhost-user: Support transferring inflight buffer between qemu and backend elohimes
2019-01-14 22:25   ` Michael S. Tsirkin
2019-01-15  6:46     ` Yongji Xie
2019-01-15 12:54       ` Michael S. Tsirkin
2019-01-15 14:18         ` Yongji Xie
2019-01-18  2:45           ` Yongji Xie
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 3/7] libvhost-user: Introduce vu_queue_map_desc() elohimes
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 4/7] libvhost-user: Support tracking inflight I/O in shared memory elohimes
2019-01-11  3:56   ` Jason Wang
2019-01-11  6:10     ` Yongji Xie
2019-01-15  7:52       ` Jason Wang
2019-01-15 14:51         ` Yongji Xie
2019-01-17  9:57           ` Jason Wang
2019-01-17 14:59             ` Michael S. Tsirkin
2019-01-18  3:57               ` Jason Wang
2019-01-18  3:32             ` Yongji Xie
2019-01-18  3:56               ` Michael S. Tsirkin
2019-01-18  3:59               ` Jason Wang
2019-01-18  4:03                 ` Michael S. Tsirkin
2019-01-18  7:01                 ` Yongji Xie
2019-01-18  9:26                   ` Jason Wang
2019-01-19 12:19                     ` Yongji Xie
2019-01-15 15:58         ` Michael S. Tsirkin
2019-01-17 10:01           ` Jason Wang
2019-01-17 15:04             ` Michael S. Tsirkin
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 5/7] vhost-user-blk: Add support to get/set inflight buffer elohimes
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 6/7] vhost-user-blk: Add support to reconnect backend elohimes
2019-01-09 11:27 ` [Qemu-devel] [PATCH v4 for-4.0 7/7] contrib/vhost-user-blk: enable inflight I/O tracking elohimes
2019-01-10 10:25 ` Stefan Hajnoczi [this message]
2019-01-10 10:59   ` [Qemu-devel] [PATCH v4 for-4.0 0/7] vhost-user-blk: Add support for backend reconnecting Yongji Xie
2019-01-11 15:53     ` Stefan Hajnoczi
2019-01-11 17:24       ` Michael S. Tsirkin
2019-01-12  4:50       ` Yongji Xie
2019-01-14 10:22         ` Stefan Hajnoczi
2019-01-14 10:55           ` Yongji Xie
2019-01-16 14:28             ` Stefan Hajnoczi
2019-01-10 10:39 ` Marc-André Lureau
2019-01-10 11:09   ` Yongji Xie

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=20190110102551.GD19025@stefanha-x1.localdomain \
    --to=stefanha@gmail.com \
    --cc=berrange@redhat.com \
    --cc=chaiwen@baidu.com \
    --cc=elohimes@gmail.com \
    --cc=jasowang@redhat.com \
    --cc=lilin24@baidu.com \
    --cc=marcandre.lureau@redhat.com \
    --cc=maxime.coquelin@redhat.com \
    --cc=mst@redhat.com \
    --cc=nixun@baidu.com \
    --cc=qemu-devel@nongnu.org \
    --cc=wrfsh@yandex-team.ru \
    --cc=xieyongji@baidu.com \
    --cc=yury-kotov@yandex-team.ru \
    --cc=zhangyu31@baidu.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).