From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Aneesh Kumar K. V" Subject: Re: [PATCH -V19 00/15] Generic name to handle and open by handle syscalls Date: Tue, 07 Sep 2010 15:51:42 +0530 Message-ID: References: <1282906982-26918-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain Cc: linux-fsdevel@vger.kernel.org, sfrench@us.ibm.com, philippe.deniel@CEA.FR, linux-kernel@vger.kernel.org To: hch@infradead.org, viro@zeniv.linux.org.uk, adilger@sun.com, corbet@lwn.net, neilb@suse.de, npiggin@kernel.dk, hooanon05@yahoo.co.jp, bfields@fieldses.org, miklos@szeredi.hu Return-path: In-Reply-To: <1282906982-26918-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Fri, 27 Aug 2010 16:32:47 +0530, "Aneesh Kumar K.V" wrote: > Hi, > > The below set of patches implement open by handle support using exportfs > operations. This allows user space application to map a file name to file > handle and later open the file using handle. This should be usable > for userspace NFS [1] and 9P server [2]. XFS already support this with the ioctls > XFS_IOC_PATH_TO_HANDLE and XFS_IOC_OPEN_BY_HANDLE. > > [1] http://nfs-ganesha.sourceforge.net/ > [2] http://thread.gmane.org/gmane.comp.emulators.qemu/68992 > > git repo for the patchset at: > git://git.kernel.org/pub/scm/linux/kernel/git/kvaneesh/linux-open-handle.git open-by-handle > > Test case can be found at > http://git.kernel.org/?p=fs/ext2/kvaneesh/handle-test.git > git://git.kernel.org/pub/scm/fs/ext2/kvaneesh/handle-test.git > > Changes from V18: > a) Drop open on symlink patch > b) Drop other patches that added support for NULL pathname in *at syscalls > c) Add new handle based syscalls. All of them are restricted to CAP_DAC_READ_SEARCH > Hi Al, Any update on this. Are you ok with syscall approach which is limitted to CAP_DAC_READ_SEARCH ? -aneesh