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