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Re: [Qemu-block] [Qemu-devel] [PATCH for-2.12 v5] file-posix: specify ex
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH for-2.12 v5] file-posix: specify expected filetypes |
Date: |
Wed, 21 Mar 2018 21:36:09 +0100 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
Am 21.03.2018 um 21:26 hat Eric Blake geschrieben:
> On 03/21/2018 03:01 PM, John Snow wrote:
> > Adjust each caller of raw_open_common to specify if they are expecting
> > host and character devices or not. Tighten expectations of file types upon
> > open in the common code and refuse types that are not expected.
> >
> > This has two effects:
> >
> > (1) Character and block devices are now considered deprecated for the
> > 'file' driver, which expects only S_IFREG, and
>
> Which may have interesting effects on v2v's attempt to use qemu-img on
> /dev/null as a quick feature probe of qemu-img...
> https://lists.gnu.org/archive/html/qemu-devel/2018-03/msg05753.html
>
> but we may want to special-case that one in a separate patch.
Do we know the exact check is performs? I doubt it explicitly specifies
the file driver, and the automatic detection already returned the right
protocol driver.
Kevin