From: Supriya Kannery <supriyak@linux.vnet.ibm.com>
To: Zhi Yong Wu <zwu.kernel@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
Stefan Hajnoczi <stefanha@gmail.com>,
qemu-devel@nongnu.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [Qemu-devel] [v8 Patch 0/6]Qemu: Host pagecache setting from cmdline and monitor
Date: Mon, 07 Nov 2011 14:08:41 +0530 [thread overview]
Message-ID: <4EB79911.9050600@linux.vnet.ibm.com> (raw)
In-Reply-To: <CAEH94LgFG1pE6PyfeEFOGTwtLQopNQMDb4rfUMJGYnWPT_=4XA@mail.gmail.com>
On 11/04/2011 07:59 AM, Zhi Yong Wu wrote:
> On Sun, Oct 30, 2011 at 6:33 PM, Supriya Kannery
> <supriyak@linux.vnet.ibm.com> wrote:
>> Currently cache setting of a block device cannot be changed
>> without restarting a running VM. Following patchset is for
>> enabling dynamic change of cache setting for block devices
>> through qemu monitor. Code changes are based on patches
>> from Christoph Hellwig and Prerna Saxena.
>>
>> This patchset introduces
>> a. monitor command 'block_set_hostcache' using which host
>> pagecache setting for a block device can be changed
>> dynamically.
> I got a bit confusion. Is it used to change host pagecache setting on
> hyperviser or on guest?
> This block device said by you is for guest, right?
>
This command is used for changing pagecache setting of
the image files in host which are acting as block devices
for guest.
-thanks, Supriya
next prev parent reply other threads:[~2011-11-07 8:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-30 10:33 [Qemu-devel] [v8 Patch 0/6]Qemu: Host pagecache setting from cmdline and monitor Supriya Kannery
2011-10-30 10:33 ` [Qemu-devel] [v8 Patch 1/6]Qemu: Enhance "info block" to display host cache setting Supriya Kannery
2011-11-03 13:55 ` Luiz Capitulino
2011-11-04 10:55 ` Supriya Kannery
2011-10-30 10:34 ` [Qemu-devel] [v8 Patch 2/6]Qemu: Error classes for file reopen and data sync failure Supriya Kannery
2011-10-30 10:34 ` [Qemu-devel] [v8 Patch 3/6]Qemu: Cmd "block_set_hostcache" for dynamic cache change Supriya Kannery
2011-11-04 10:00 ` Kevin Wolf
2011-11-04 11:03 ` Supriya Kannery
2011-10-30 10:34 ` [Qemu-devel] [v8 Patch 4/6]Qemu: Add commandline -drive option 'hostcache' Supriya Kannery
2011-10-30 10:35 ` [Qemu-devel] [v8 Patch 5/6]Qemu: Framework for reopening images safely Supriya Kannery
2011-11-04 10:05 ` Kevin Wolf
2011-11-04 11:10 ` Supriya Kannery
2011-10-30 10:35 ` [Qemu-devel] [v8 Patch 6/6]Qemu: raw posix implementation of reopen functions Supriya Kannery
2011-11-04 10:19 ` Kevin Wolf
2011-11-04 2:29 ` [Qemu-devel] [v8 Patch 0/6]Qemu: Host pagecache setting from cmdline and monitor Zhi Yong Wu
2011-11-07 8:38 ` Supriya Kannery [this message]
2011-11-07 8:49 ` Zhi Yong Wu
2011-11-07 9:35 ` Supriya Kannery
2011-11-07 10:24 ` Zhi Yong Wu
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