From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1df4Pi-0007bM-D5 for qemu-devel@nongnu.org; Tue, 08 Aug 2017 09:19:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1df4Pd-0006B2-Jn for qemu-devel@nongnu.org; Tue, 08 Aug 2017 09:19:14 -0400 Received: from jessie.kos.to ([212.47.231.226]:52156 helo=pilvi.kos.to) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1df4Pd-00069q-E3 for qemu-devel@nongnu.org; Tue, 08 Aug 2017 09:19:09 -0400 Date: Tue, 8 Aug 2017 13:19:04 +0000 From: Riku Voipio Message-ID: <20170808131904.GA29288@kos.to> References: <150213708469.19430.16716526584783151905.malonedeb@chaenomeles.canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <150213708469.19430.16716526584783151905.malonedeb@chaenomeles.canonical.com> Subject: Re: [Qemu-devel] [Bug 1709170] [NEW] QEMU fails to honor O_TMPFILE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bug 1709170 <1709170@bugs.launchpad.net> Cc: qemu-devel@nongnu.org, thiago@kde.org 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