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From: Kevin Wolf <kwolf@redhat.com>
To: Federico Simoncelli <fsimonce@redhat.com>
Cc: avi@redhat.com, qemu-devel@nongnu.org, kvm@vger.kernel.org, hch@lst.de
Subject: Re: [Qemu-devel] [PATCHv4] qemu-img: Add cache command line option
Date: Wed, 29 Jun 2011 11:48:32 +0200	[thread overview]
Message-ID: <4E0AF4F0.7050609@redhat.com> (raw)
In-Reply-To: <1308588499-6562-1-git-send-email-fsimonce@redhat.com>

Am 20.06.2011 18:48, schrieb Federico Simoncelli:
> qemu-img currently writes disk images using writeback and filling
> up the cache buffers which are then flushed by the kernel preventing
> other processes from accessing the storage.
> This is particularly bad in cluster environments where time-based
> algorithms might be in place and accessing the storage within
> certain timeouts is critical.
> This patch adds the option to choose a cache method when writing
> disk images.
> 
> Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>

Thanks, applied to the block branch.

Kevin

  reply	other threads:[~2011-06-29  9:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4DF8A4FD.6050807@redhat.com>
2011-06-15 13:46 ` [Qemu-devel] [PATCH] qemu-img: Add cache command line option Federico Simoncelli
2011-06-15 13:51   ` [Qemu-devel] [PATCHv2] " Federico Simoncelli
2011-06-16 11:58     ` [Qemu-devel] [PATCHv3] " Federico Simoncelli
2011-06-16 14:28   ` [Qemu-devel] [PATCH] " Christoph Hellwig
2011-06-16 14:43     ` Kevin Wolf
2011-06-20 14:47       ` Kevin Wolf
2011-06-20 16:48         ` [Qemu-devel] [PATCHv4] " Federico Simoncelli
2011-06-29  9:48           ` Kevin Wolf [this message]
2011-06-16 14:44     ` [Qemu-devel] [PATCH] " Federico Simoncelli

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