qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Christian Schoenebeck <qemu_oss@crudebyte.com>
To: qemu-devel@nongnu.org
Cc: "Greg Kurz" <groug@kaod.org>, "Daniel P. Berrangé" <berrange@redhat.com>
Subject: Re: [PATCH] 9pfs: log warning if msize <= 8192
Date: Thu, 03 Sep 2020 10:20:40 +0200	[thread overview]
Message-ID: <25793713.39nqsFcaVY@silver> (raw)
In-Reply-To: <20200902185422.16b4ee28@bahia.lan>

On Mittwoch, 2. September 2020 18:54:22 CEST Greg Kurz wrote:
> > Well, I can do that of course. But somehow I fear users get lost by just
> > pointing them to "man 1 qemu" in the log message. It already starts that
> > e.g. on Debian there is no "man qemu", it is "man qemu-system" there
> > instead. Next issue is that qemu man page is currently not structured in
> > a way that would> 
> > allow me to directly point them to the relevant man heading like:
> > 	man --pager='less -p ^9P-msize' qemu
> > 
> > So they would need to scroll their way through the entire man page by
> > themselfes and find confusing sections like "-fsdev -device virtio-9p-pci"
> > vs. "-virtfs", etc. I can imagine some people will struggle with that.
> > 
> > With a link like "https://wiki.qemu.org/Documentation/9psetup#msize" the
> > thing would be crystal clear within seconds.
> > 
> > Just my opinion. Greg?
> 
> Fine by me for this patch.
> 
> For a longer term, maybe we should find a way to advertise some hint
> for msize to the guest... Not sure how to do that though.

On the long term that would be possible, however only with a protocol change 
allowing server to send minimum, maximum and recommended msize to client.

As you know, right now server only has a say in maximum msize.

Best regards,
Christian Schoenebeck




  reply	other threads:[~2020-09-03  8:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 11:22 [PATCH] 9pfs: log warning if msize <= 8192 Christian Schoenebeck
2020-09-02 12:25 ` Daniel P. Berrangé
2020-09-02 12:52   ` Christian Schoenebeck
2020-09-02 13:39     ` Greg Kurz
2020-09-02 13:45       ` Daniel P. Berrangé
2020-09-02 14:08         ` Christian Schoenebeck
2020-09-02 14:10           ` Daniel P. Berrangé
2020-09-02 16:03             ` Christian Schoenebeck
2020-09-02 16:08               ` Daniel P. Berrangé
2020-09-02 16:54               ` Greg Kurz
2020-09-03  8:20                 ` Christian Schoenebeck [this message]
2020-09-03  9:35                   ` Greg Kurz
2020-09-03 10:57                     ` Christian Schoenebeck
2020-09-02 13:58       ` Christian Schoenebeck

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=25793713.39nqsFcaVY@silver \
    --to=qemu_oss@crudebyte.com \
    --cc=berrange@redhat.com \
    --cc=groug@kaod.org \
    --cc=qemu-devel@nongnu.org \
    /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).