From: Neil Brown <neilb@suse.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@infradead.org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
viro@zeniv.linux.org.uk, adilger@sun.com, corbet@lwn.net,
npiggin@suse.de, hooanon05@yahoo.co.jp, bfields@fieldses.org,
miklos@szeredi.hu, linux-fsdevel@vger.kernel.org,
sfrench@us.ibm.com, philippe.deniel@CEA.FR,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -V18 04/13] vfs: Allow handle based open on symlinks
Date: Sat, 21 Aug 2010 09:47:59 +1000 [thread overview]
Message-ID: <20100821094759.24a6dc37@notabene> (raw)
In-Reply-To: <1282310729.2605.989.camel@laptop>
On Fri, 20 Aug 2010 15:25:29 +0200
Peter Dijkstra <peter@infradead.org> wrote:
> On Fri, 2010-08-20 at 19:53 +1000, Neil Brown wrote:
> > With futexes we suddenly get a file descriptor for something we could never
> > get a file descriptor on before and that doesn't seem to be a problem.
>
> FWIW
>
> commit 82af7aca56c67061420d618cc5a30f0fd4106b80
> Author: Eric Sesterhenn <snakebyte@gmx.de>
> Date: Fri Jan 25 10:40:46 2008 +0100
>
> Removal of FUTEX_FD
Interesting - thanks.
OK, adjust my argument to reference signalfd, timerfs and pollfd.
I haven't looked at that code before - "anon_inode_getfd" gives you an fd on
an inode for which
(stat.st_mode & S_IFMT) == 0
Cool! They have no format at all :-)
NeilBrown
next prev parent reply other threads:[~2010-08-20 23:48 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 1:51 [PATCH -V18 0/13] Generic name to handle and open by handle syscalls Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 01/13] exportfs: Return the minimum required handle size Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 02/13] vfs: Add name to file handle conversion support Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 03/13] vfs: Add open by file handle support Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 04/13] vfs: Allow handle based open on symlinks Aneesh Kumar K.V
2010-08-20 2:13 ` Aneesh Kumar K. V
2010-08-20 6:53 ` Aneesh Kumar K. V
2010-08-20 8:30 ` Christoph Hellwig
2010-08-20 9:53 ` Neil Brown
2010-08-20 11:51 ` Al Viro
2010-08-21 0:09 ` Neil Brown
2010-08-21 7:13 ` Andreas Dilger
2010-08-21 9:32 ` Aneesh Kumar K. V
2010-08-22 23:06 ` Neil Brown
2010-08-23 1:24 ` Aneesh Kumar K. V
2010-08-23 1:52 ` Neil Brown
2010-08-24 10:40 ` Aneesh Kumar K. V
2010-08-23 2:49 ` Aneesh Kumar K. V
2010-08-25 2:06 ` Neil Brown
2010-08-24 9:41 ` Bastien ROUCARIES
2010-08-25 2:04 ` Neil Brown
2010-08-25 9:13 ` Bastien ROUCARIES
2010-08-21 8:30 ` Nick Piggin
2010-08-21 9:42 ` Aneesh Kumar K. V
2010-08-22 2:02 ` Aneesh Kumar K. V
2010-08-24 7:21 ` Nick Piggin
2010-08-24 10:34 ` Aneesh Kumar K. V
2010-08-24 13:19 ` J. Bruce Fields
2010-08-22 23:17 ` Neil Brown
2010-08-24 7:29 ` Nick Piggin
2010-08-21 9:31 ` Aneesh Kumar K. V
2010-08-20 13:25 ` Peter Zijlstra
2010-08-20 23:47 ` Neil Brown [this message]
2010-08-20 14:38 ` Aneesh Kumar K. V
2010-08-20 1:51 ` [PATCH -V18 05/13] vfs: Support null pathname in readlink Aneesh Kumar K.V
2010-08-20 8:32 ` Christoph Hellwig
2010-08-20 10:04 ` Neil Brown
2010-08-20 14:43 ` Aneesh Kumar K. V
2010-08-20 1:51 ` [PATCH -V18 06/13] vfs: Support null pathname in faccessat Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 07/13] vfs: Support null pathname in linkat Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 08/13] x86: Add new syscalls for x86_32 Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 09/13] x86: Add new syscalls for x86_64 Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 10/13] unistd.h: Add new syscalls numbers to asm-generic Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 11/13] vfs: Export file system uuid via /proc/<pid>/mountinfo Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 12/13] ext3: Copy fs UUID to superblock Aneesh Kumar K.V
2010-08-20 1:51 ` [PATCH -V18 13/13] ext4: " Aneesh Kumar K.V
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