From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57672) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vv4WR-0007GK-Fi for qemu-devel@nongnu.org; Mon, 23 Dec 2013 07:22:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vv4WH-0003Kv-3I for qemu-devel@nongnu.org; Mon, 23 Dec 2013 07:22:11 -0500 Received: from mga09.intel.com ([134.134.136.24]:48862) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vv4WG-0003KE-Tv for qemu-devel@nongnu.org; Mon, 23 Dec 2013 07:22:01 -0500 From: "Kirill A. Shutemov" In-Reply-To: <87ppp6b6yo.fsf@linux.vnet.ibm.com> References: <1385726178-10201-1-git-send-email-kirill.shutemov@linux.intel.com> <20131209102517.33F4EE0090@blue.fi.intel.com> <87ppp6b6yo.fsf@linux.vnet.ibm.com> Content-Transfer-Encoding: 7bit Message-Id: <20131223122138.931E2E0090@blue.fi.intel.com> Date: Mon, 23 Dec 2013 14:21:38 +0200 (EET) Subject: Re: [Qemu-devel] [RESEND-try-2][PATCH] hw/9pfs: fix P9_STATS_GEN handling List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Aneesh Kumar K.V" Cc: qemu-devel@nongnu.org, "Kirill A. Shutemov" , aliguori@amazon.com Aneesh Kumar K.V wrote: > "Kirill A. Shutemov" writes: > > > Kirill A. Shutemov wrote: > >> Currently we have few issues with P9_STATS_GEN: > >> > >> - We don't try to read st_gen anything except files or directories, but > >> still set P9_STATS_GEN bit in st_result_mask. It may mislead client: > >> we present garbage as valid st_gen. > >> > >> - If we failed to get valid st_gen with ENOTTY, we ignore error, but > >> still set P9_STATS_GEN bit in st_result_mask. > >> > >> - If we failed to get valid st_gen with any other errno, we fail > >> getattr altogether. It's excessive: we block valid client use-cases, > >> like chdir(2) to non-readable directory with execution bit set. > >> > >> The patch fixes these issues and cleanup code a bit. > >> > >> Signed-off-by: Kirill A. Shutemov > >> Reviewed-by: Daniel P. Berrange > >> Reviewed-by: Aneesh Kumar K.V > > > > Ping? > > > > I am hoping that this will go to upstream directly without me doing a > pull request ? Anthony, let me know if this need anything to be done > from my side So? Nobody cares? -- Kirill A. Shutemov