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Re: [Qemu-devel] [PATCH 0/3 v3] allow online resizing of block devices
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH 0/3 v3] allow online resizing of block devices |
Date: |
Wed, 26 Jan 2011 11:32:08 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 |
Am 24.01.2011 13:32, schrieb Christoph Hellwig:
> This patchset adds support for online resizing of block devices.
>
> The first patch adds a new resize monitor command which call into
> the existing image resize code. This is the meat of the series
> and probably needs quite a bit of review and help as I'm not sure
> about how to implement the error handling for monitor commands
> correctly. Am I really supposed to add a new QERR_ definition
> for each possible error? And if yes how am I supposed to define
> them? The macros for them aren't exactly self-explaining.
>
> The second patch adds a way to tell drivers about a resize, and the
> third one adds a guest notification for config changes to virtio-blk
> which allows the guest to pick it up without a rescan. I've just sent
> the corresponding Linux guest driver patch to Rusty.
>
> Changes from version 2 to version 3:
> - add missing braces
> - use device as the argument name for the device string
> - also rename the HMP version of the command to block_resize
>
> Changes from version 1 to version 2:
> - also add a QMP command (block_resize)
> - use the o format for the size in the monitor command
> - fix typos
> - use QERR_UNDEFINED_ERROR for errors instead of unstructured strings
> - remove the CDROM hint check
> - add a reason argument to the change callback
> ---end quoted text---
Thanks, applied all to the block branch.
Kevin
[Qemu-devel] [PATCH 2/3] block: tell drivers about an image resize, Christoph Hellwig, 2011/01/24
[Qemu-devel] [PATCH 3/3] virtio-blk: tell the guest about size changes, Christoph Hellwig, 2011/01/24
Re: [Qemu-devel] [PATCH 0/3 v3] allow online resizing of block devices,
Kevin Wolf <=
Re: [Qemu-devel] [PATCH 0/3 v3] allow online resizing of block devices, Stefan Hajnoczi, 2011/01/26