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From: Olaf Hering <olaf@aepfle.de>
To: stefano.stabellini@eu.citrix.com
Cc: ian.jackson@eu.citrix.com, ian.campbell@citrix.com,
	xen-devel@lists.xen.org
Subject: Re: [PATCH v5] libxl: add option for discard support to xl disk configuration
Date: Fri, 9 May 2014 14:18:46 +0200	[thread overview]
Message-ID: <20140509121846.GA28727@aepfle.de> (raw)
In-Reply-To: <1399637383-27742-1-git-send-email-olaf@aepfle.de>

On Fri, May 09, Olaf Hering wrote:

> Handle new boolean option discard/no-discard for disk configuration. It
> is supposed to disable discard support if file based backing storage was
> intentionally created non-sparse to avoid fragmentation of the file.
> 
> The option intended for the backend driver. A new boolean property
> "discard-enable" is written to the backend node. An upcoming patch for
> qemu will make use of this property. The kernel blkback driver may be
> updated as well to disable discard for phy based backing storage.

Stefano,

please backport these changes from qemu.git to qemu-xen.git so that
discard:

58da5b1e01a586eb5a52ba3eec342d6828269839 xen_disk: fix io accounting
f31352041bdde436c3f6d07e1525a42e48dec215 xen_disk: add discard support

Thanks.

Olaf

  reply	other threads:[~2014-05-09 12:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-09 12:09 [PATCH v5] libxl: add option for discard support to xl disk configuration Olaf Hering
2014-05-09 12:18 ` Olaf Hering [this message]
2014-05-12 14:28   ` Ian Jackson
2014-05-12 14:37     ` Olaf Hering
2014-05-12 15:44       ` Stefano Stabellini
2014-05-13 14:16         ` Fabio Fantoni
2014-05-13 16:15           ` Stefano Stabellini
2014-05-13 17:23             ` Stefano Stabellini
2014-05-14 10:20               ` Fabio Fantoni
2014-05-14 11:09                 ` Stefano Stabellini
2014-05-14 12:43                   ` Fabio Fantoni
2014-05-14 13:16                     ` Stefano Stabellini
2014-05-12 14:29 ` Ian Jackson

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