From: Christoph Hellwig <hch@lst.de>
To: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org, Alex Bligh <alex@alex.org.uk>
Subject: Re: [Qemu-devel] [PATCH] qemu-img rebase: allow backing file to be specified as '-'
Date: Tue, 23 Oct 2012 18:41:09 +0200 [thread overview]
Message-ID: <20121023164109.GA15865@lst.de> (raw)
In-Reply-To: <507C50E9.1050706@redhat.com>
On Mon, Oct 15, 2012 at 12:07:37PM -0600, Eric Blake wrote:
> On 10/15/2012 11:29 AM, Alex Bligh wrote:
> > This patch allows qemu-img rebase to rebase an image to
> > have no backing file, as opposed to merely allowing it to
> > rebase to an existing backing file.
>
> You can already do that by rebasing to the empty string. And it is
> feasible (although unlikely) to have a file named '-', where your patch
> would make it impossible to use that file directly (although you could
> still use './-'). NACK.
Also - is often used to tell tools that expect a file argument to use
stdin/out. Something that would be quite useful for some qemu-img subcommands.
prev parent reply other threads:[~2012-10-23 16:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-15 17:29 [Qemu-devel] [PATCH] qemu-img rebase: allow backing file to be specified as '-' Alex Bligh
2012-10-15 18:07 ` Eric Blake
2012-10-15 18:11 ` Eric Blake
2012-10-15 18:42 ` Alex Bligh
2012-10-15 19:28 ` Eric Blake
2012-10-15 20:28 ` Alex Bligh
2012-10-23 16:41 ` Christoph Hellwig [this message]
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