From: David Howells <dhowells@redhat.com> To: Jeff Layton <jlayton@poochiereds.net> Cc: dhowells@redhat.com, NeilBrown <nfbrown@novell.com>, Dave Chinner <david@fromorbit.com>, linux-fsdevel@vger.kernel.org, linux-afs@vger.kernel.org, linux-nfs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCH 1/6] statx: Add a system call to make enhanced file info available Date: Thu, 05 May 2016 21:04:09 +0100 [thread overview] Message-ID: <2052.1462478649@warthog.procyon.org.uk> (raw) In-Reply-To: <1462477696.12332.17.camel@poochiereds.net> Jeff Layton <jlayton@poochiereds.net> wrote: > I don't see a real attack vector here either, but OTOH is there a > potential user of this at the moment? I'm not sure. BSD stat has an st_gen, so it's possible something out there will use it if it exists. > An earlier chunk of the patch description says: > > (7) Inode generation number: Useful for FUSE and userspace NFS servers > [Bernd Schubert]. This was asked for but later deemed unnecessary > with the open-by-handle capability available > > ...the last bit seems to indicate that we don't really need this > anyway, as most userland servers now work with filehandles from the > kernel. > > Maybe leave it out for now? It can always be added later. Yeah... probably a good idea. David
WARNING: multiple messages have this Message-ID (diff)
From: David Howells <dhowells@redhat.com> To: Jeff Layton <jlayton@poochiereds.net> Cc: dhowells@redhat.com, NeilBrown <nfbrown@novell.com>, Dave Chinner <david@fromorbit.com>, linux-fsdevel@vger.kernel.org, linux-afs@vger.kernel.org, linux-nfs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCH 1/6] statx: Add a system call to make enhanced file info available Date: Thu, 05 May 2016 21:04:09 +0100 [thread overview] Message-ID: <2052.1462478649@warthog.procyon.org.uk> (raw) In-Reply-To: <1462477696.12332.17.camel@poochiereds.net> Jeff Layton <jlayton@poochiereds.net> wrote: > I don't see a real attack vector here either, but OTOH is there a > potential user of this at the moment? I'm not sure. BSD stat has an st_gen, so it's possible something out there will use it if it exists. > An earlier chunk of the patch description says: > > (7) Inode generation number: Useful for FUSE and userspace NFS servers > [Bernd Schubert]. This was asked for but later deemed unnecessary > with the open-by-handle capability available > > ...the last bit seems to indicate that we don't really need this > anyway, as most userland servers now work with filehandles from the > kernel. > > Maybe leave it out for now? It can always be added later. Yeah... probably a good idea. David -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2016-05-05 20:04 UTC|newest] Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-04-29 12:57 [RFC][PATCH 0/6] Enhanced file stat system call David Howells 2016-04-29 12:57 ` [PATCH 1/6] statx: Add a system call to make enhanced file info available David Howells 2016-05-02 22:46 ` Andreas Dilger 2016-05-02 22:46 ` Andreas Dilger 2016-05-03 15:53 ` David Howells 2016-05-04 22:56 ` Dave Chinner 2016-05-05 0:09 ` NeilBrown 2016-05-05 0:09 ` NeilBrown 2016-05-05 19:48 ` Jeff Layton 2016-05-06 18:07 ` J. Bruce Fields 2016-05-06 18:07 ` J. Bruce Fields 2016-05-05 20:04 ` David Howells [this message] 2016-05-05 20:04 ` David Howells 2016-05-06 1:39 ` Dave Chinner 2016-05-06 1:39 ` Dave Chinner 2016-05-06 1:39 ` Dave Chinner 2016-05-06 18:29 ` J. Bruce Fields 2016-05-09 1:45 ` Dave Chinner 2016-05-09 2:46 ` J. Bruce Fields 2016-05-04 23:56 ` NeilBrown 2016-05-08 8:35 ` Christoph Hellwig 2016-05-08 8:35 ` Christoph Hellwig 2016-05-09 12:02 ` Jeff Layton 2016-05-09 12:02 ` Jeff Layton 2016-05-10 7:00 ` Christoph Hellwig 2016-05-10 7:00 ` Christoph Hellwig 2016-05-10 13:21 ` Jeff Layton 2016-05-10 13:21 ` Jeff Layton 2016-05-09 12:57 ` David Howells 2016-05-09 12:57 ` David Howells 2016-05-09 13:23 ` Trond Myklebust 2016-05-09 13:23 ` Trond Myklebust 2016-05-09 13:23 ` Trond Myklebust 2016-05-10 7:04 ` Christoph Hellwig 2016-05-10 8:25 ` David Howells 2016-05-12 9:11 ` Christoph Hellwig 2016-05-13 15:28 ` Arnd Bergmann 2016-05-13 15:28 ` Arnd Bergmann 2016-05-23 8:22 ` Christoph Hellwig 2016-05-23 9:33 ` David Howells 2016-05-18 10:55 ` David Howells 2016-05-09 13:00 ` David Howells 2016-05-09 13:00 ` David Howells 2016-05-09 13:38 ` David Howells 2016-05-10 7:08 ` Christoph Hellwig 2016-05-10 8:43 ` David Howells 2016-05-12 9:12 ` Christoph Hellwig 2016-05-09 13:40 ` David Howells 2016-04-29 12:57 ` [PATCH 2/6] statx: AFS: Return enhanced file attributes David Howells 2016-04-29 12:57 ` [PATCH 3/6] statx: Ext4: " David Howells 2016-05-02 22:48 ` Andreas Dilger 2016-05-03 20:24 ` David Howells 2016-05-03 20:24 ` David Howells 2016-05-08 8:38 ` Christoph Hellwig 2016-05-08 8:38 ` Christoph Hellwig 2016-04-29 12:58 ` [PATCH 4/6] statx: NFS: " David Howells 2016-05-02 22:48 ` Andreas Dilger 2016-04-29 12:58 ` [PATCH 5/6] statx: Make windows attributes available for CIFS, NTFS and FAT to use David Howells 2016-05-02 22:52 ` Andreas Dilger 2016-10-03 21:03 ` Steve French 2016-10-03 21:03 ` Steve French 2016-05-03 20:23 ` David Howells 2016-05-08 8:39 ` Christoph Hellwig 2016-05-08 8:39 ` Christoph Hellwig 2016-04-29 12:58 ` [PATCH 6/6] statx: CIFS: Return enhanced attributes David Howells 2016-04-30 21:05 ` [RFC][PATCH 0/6] Enhanced file stat system call Jeff Layton 2016-04-30 21:05 ` Jeff Layton 2016-05-04 13:46 ` Arnd Bergmann 2016-05-04 13:46 ` Arnd Bergmann 2016-05-05 22:54 ` Steve French 2016-05-06 2:00 ` Steve French 2016-05-09 13:09 ` Arnd Bergmann 2016-05-09 13:09 ` Arnd Bergmann 2016-05-13 14:28 ` Richard Sharpe 2016-05-13 14:28 ` Richard Sharpe 2016-05-13 15:08 ` Arnd Bergmann
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