All of lore.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi@qumranet.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Merge NBD client/server int qemu-nbd
Date: Sun, 15 Jun 2008 09:00:35 -0700	[thread overview]
Message-ID: <48553CA3.9010009@qumranet.com> (raw)
In-Reply-To: <1213545378.3806.10.camel@frecb07144>

Laurent Vivier wrote:
> No, for me, the open() generates the events:
>
> open() -> blkdev_open() -> do_open() -> rescan_partitions() ->
> add_partitions() -> device_add() -> kobject_uevent()
>
> If you remove show_parts() from the main(), the partitions appear only
> on the first open on the device, for instance you can run manually
> "cmp /dev/nbd0 /dev/zero" after "qemu-nbd --connect=/dev/nbd0 ...".
>
>   

Well then, simply call udevsettle after the open of the block device, 
after which you're guaranteed to have the paritions.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

  reply	other threads:[~2008-06-15 16:00 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-13 15:15 [Qemu-devel] [PATCH] Merge NBD client/server int qemu-nbd Laurent Vivier
2008-06-13 17:49 ` Anthony Liguori
2008-06-13 18:09   ` Avi Kivity
2008-06-13 18:39   ` Laurent Vivier
2008-06-14 15:12     ` Anthony Liguori
2008-06-14 18:47       ` Laurent Vivier
2008-06-14 17:18     ` Avi Kivity
2008-06-14 19:03       ` Laurent Vivier
2008-06-14 19:06         ` Avi Kivity
2008-06-14 19:21           ` Laurent Vivier
2008-06-14 19:35             ` Avi Kivity
2008-06-14 19:54               ` Laurent Vivier
2008-06-15 14:25                 ` Anthony Liguori
2008-06-15 15:56                   ` Laurent Vivier
2008-06-15 16:00                     ` Avi Kivity [this message]
2008-06-15 17:39                       ` Laurent Vivier
2008-06-19  8:58                         ` [Qemu-devel] [PATCH][v2] " Laurent Vivier
2008-06-19  9:18                           ` Laurent Vivier

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=48553CA3.9010009@qumranet.com \
    --to=avi@qumranet.com \
    --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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.