From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759416AbZJOJOd (ORCPT ); Thu, 15 Oct 2009 05:14:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756093AbZJOJOc (ORCPT ); Thu, 15 Oct 2009 05:14:32 -0400 Received: from gw1.cosmosbay.com ([212.99.114.194]:52540 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755902AbZJOJOb (ORCPT ); Thu, 15 Oct 2009 05:14:31 -0400 Message-ID: <4AD6E7C9.5080001@gmail.com> Date: Thu, 15 Oct 2009 11:13:45 +0200 From: Eric Dumazet User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: Nick Piggin CC: Al Viro , linux-fsdevel@vger.kernel.org, Ian Kent , Linus Torvalds , linux-kernel@vger.kernel.org, Miklos Szeredi Subject: Re: [patch 2/6] fs: no games with DCACHE_UNHASHED References: <20091015044026.319860788@suse.de> <20091015050048.165912589@suse.de> <4AD6D2E3.9050105@gmail.com> <20091015081343.GC4262@wotan.suse.de> <20091015082903.GD4262@wotan.suse.de> In-Reply-To: <20091015082903.GD4262@wotan.suse.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-1.6 (gw1.cosmosbay.com [0.0.0.0]); Thu, 15 Oct 2009 11:13:46 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nick Piggin a écrit : > So what if we were to do this first? Are there any other reasons I've > missed? (btw. this changes the format the link if that is a problem. > Probably if we're going to do this change, we should change things like > [timerfd] to just timerfd while we're there to improve consistency > further. > -- > Pipe and socket pseudo filesystems report their file descriptor link > paths as pipe:[ino] and socket:[ino]. anon_inodefs allows subsystems > to specify a name, but it does not report an associated inode number. > > Implement this with anon_inodefs_dname in the same way pipefs and sockfs > are. > > --- > fs/anon_inodes.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > Index: linux-2.6/fs/anon_inodes.c > =================================================================== > --- linux-2.6.orig/fs/anon_inodes.c > +++ linux-2.6/fs/anon_inodes.c > @@ -45,6 +45,15 @@ static int anon_inodefs_delete_dentry(st > return 1; > } > > +/* > + * anon_inodefs_dname() is called from d_path(). > + */ > +static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen) > +{ > + return dynamic_dname(dentry, buffer, buflen, "%s:[%lu]", > + dentry->d_name.name, dentry->d_inode->i_ino); > +} > + > static struct file_system_type anon_inode_fs_type = { > .name = "anon_inodefs", > .get_sb = anon_inodefs_get_sb, > @@ -52,6 +61,7 @@ static struct file_system_type anon_inod > }; > static const struct dentry_operations anon_inodefs_dentry_operations = { > .d_delete = anon_inodefs_delete_dentry, > + .d_dname = anon_inodefs_dname, > }; > > /* Yes, that would be fine, thanks Nick. Acked-by: Eric Dumazet