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[Qemu-devel] [Bug 1709170] Re: QEMU fails to honor O_TMPFILE


From: Thiago Macieira
Subject: [Qemu-devel] [Bug 1709170] Re: QEMU fails to honor O_TMPFILE
Date: Tue, 08 Aug 2017 21:56:03 -0000

It was a Yocto 2.0 sysroot running on an Ubuntu 16.04 host.

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https://bugs.launchpad.net/bugs/1709170

Title:
  QEMU fails to honor O_TMPFILE

Status in QEMU:
  New

Bug description:
  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.

  [I don't know the QEMU version, since this happened in a system I
  don't have access to]

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