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Re: [Qemu-block] [Qemu-devel] [PATCH v2] gluster: add support for PREALL

From: Eric Blake
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v2] gluster: add support for PREALLOC_MODE_FALLOC
Date: Thu, 18 May 2017 09:30:53 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0

On 05/18/2017 04:54 AM, Niels de Vos wrote:
> Add missing support for "preallocation=falloc" to the Gluster block
> driver. This change bases its logic on that of block/file-posix.c and
> removed the gluster_supports_zerofill() and qemu_gluster_zerofill()
> functiond in favour of #ifdef checks in an easy to read


> switch-statement.
> Both glfs_zerofill() and glfs_fallocate() have been introduced with
> GlusterFS 3.5.0 (pkg-config glusterfs-api = 6). A #define for the
> availability of glfs_fallocate() has been added to ./configure.
> Reported-by: Satheesaran Sundaramoorthi <address@hidden>
> URL: https://bugzilla.redhat.com/1450759
> Signed-off-by: Niels de Vos <address@hidden>
> ---
> v2 changes requested by Jeff Cody:
> - remove unneeded wrapper qemu_gluster_zerofill()

The automated tools prefer that v2 patches are sent as a new top-level
thread, rather than buried in-reply-to the v1 thread.

Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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