From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: Re: [PATCH v3] libxl: add option for discard support to
 xl disk configuration
Date: Tue, 29 Apr 2014 14:14:42 +0200
Message-ID: <20140429121442.GA6094@aepfle.de>
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To: Fabio Fantoni <fabio.fantoni@m2r.biz>
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On Tue, Apr 29, Fabio Fantoni wrote:

> Il 29/04/2014 12:35, Olaf Hering ha scritto:

> >boolean property "discard-enable" is written to the backend node. An

> Thanks for add discard (trim) support on libxl, from a quick look to this
> patch, however, seems missing adding the parameter to qemu disks that use
> qdisk (in libxl_dm.c: -drive ...,discard=on).

The flag is written to xenstore.
qemu will pick it up ... once the relevant patch is applied to qemu.git.

Olaf