Comment 2 for bug 1709170
Revision history for this message
| Riku Voipio (riku-voipio) wrote Re: [Qemu-devel] [Bug 1709170] [NEW] QEMU fails to honor O_TMPFILE | #2 |
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(Get the code!)
On Mon, Aug 07, 2017 at 08:18:04PM -0000, Thiago Macieira wrote:
> Public bug reported:
>
> When making a call like
>
> open("/tmp", O_TMPFILE | O_RDWR);
>
> under QEMU, we ged -EISDIR.
>
> Under any kernel 3.11 or later, we are supposed to get an unnamed file
> in /tmp. In case the filesystem for /tmp does not support unnamed files,
> we are supposed to get EOPNOTSUPP.
Actually, -EISDIR is valid error when underlying system doesn't support O_TMPFILE.
See man openat or the kernel definition for O_TMPFILE.
Regardless, I'm submitting a patch to properly translate the O_TMPFILE.
Riku