From: Trond Myklebust <Trond.Myklebust@netapp.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ian Kent <raven@themaw.net>, Jeff Layton <jlayton@redhat.com>,
Miklos Szeredi <miklos@szeredi.hu>,
David Howells <dhowells@redhat.com>,
viro@zeniv.linux.org.uk, gregkh@suse.de,
linux-nfs@vger.kernel.org, leonardo.lists@gmail.com
Subject: Re: [PATCH] VFS: Suppress automount on [l]stat, [l]getxattr, etc.
Date: Mon, 26 Sep 2011 17:31:58 -0400 [thread overview]
Message-ID: <1317072718.19951.13.camel@lade.trondhjem.org> (raw)
In-Reply-To: <CA+55aFzWCZQjWMcxg16yMUoLr-mEPuXzAFgv49LU4hCn+=rbwQ@mail.gmail.com>
On Mon, 2011-09-26 at 14:24 -0700, Linus Torvalds wrote:
> On Mon, Sep 26, 2011 at 2:13 PM, Trond Myklebust
> <Trond.Myklebust@netapp.com> wrote:
> >
> > LOOKUP_OPEN flags an open intent and will therefore have side-effects on
> > NFSv4.
>
> Yes, and the actual downside for that is exactly what?
>
> If you are talking about the bind mount issue, then what is the
> downside with saying "we want the same stronger consistency guarantees
> as for a 'file open' operation"?
A bind mount doesn't actually want us to set up OPEN state on the NFSv4
server and return a fully initialised 'struct file' in the struct
nameidata. If it did, we would already have set the LOOKUP_OPEN flag
together with the accompanying open intent structure in the struct
nameidata.
Ditto for the quotactl().
Cheers
Trond
--
Trond Myklebust
Linux NFS client maintainer
NetApp
Trond.Myklebust@netapp.com
www.netapp.com
next prev parent reply other threads:[~2011-09-26 21:32 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-22 13:45 [PATCH] VFS: Suppress automount on [l]stat, [l]getxattr, etc David Howells
2011-09-22 14:33 ` Miklos Szeredi
2011-09-22 16:04 ` Ian Kent
2011-09-22 16:30 ` Linus Torvalds
2011-09-22 16:45 ` Ian Kent
2011-09-22 17:35 ` Jeff Layton
2011-09-22 18:44 ` Jeff Layton
2011-09-22 19:20 ` Trond Myklebust
2011-09-22 22:57 ` Linus Torvalds
2011-09-23 0:56 ` Myklebust, Trond
2011-09-23 1:04 ` Linus Torvalds
2011-09-23 1:21 ` Trond Myklebust
2011-09-23 7:25 ` Miklos Szeredi
2011-09-23 10:57 ` Ian Kent
2011-09-23 3:15 ` Ian Kent
2011-09-23 10:33 ` David Howells
2011-09-23 14:34 ` Trond Myklebust
2011-09-23 14:46 ` Linus Torvalds
2011-09-23 15:01 ` Trond Myklebust
2011-09-23 15:15 ` Linus Torvalds
2011-09-23 15:41 ` Ian Kent
2011-09-23 16:19 ` Miklos Szeredi
2011-09-23 16:21 ` Linus Torvalds
2011-09-23 16:26 ` Linus Torvalds
[not found] ` <13920.1316796007@redhat.com! >
2011-09-23 16:54 ` David Howells
2011-09-23 17:18 ` Linus Torvalds
2011-09-23 16:40 ` David Howells
2011-09-23 16:47 ` Linus Torvalds
2011-09-23 15:18 ` David Howells
2011-09-23 16:10 ` Miklos Szeredi
2011-09-24 1:30 ` Ian Kent
2011-09-24 1:44 ` Linus Torvalds
2011-09-24 2:31 ` Ian Kent
2011-09-24 11:36 ` Jeff Layton
2011-09-24 15:56 ` Linus Torvalds
2011-09-26 5:11 ` Ian Kent
2011-09-26 20:48 ` Linus Torvalds
2011-09-26 21:13 ` Trond Myklebust
2011-09-26 21:24 ` Linus Torvalds
2011-09-26 21:31 ` Trond Myklebust [this message]
2011-09-26 22:24 ` Linus Torvalds
2011-09-26 22:33 ` Trond Myklebust
2011-09-26 22:56 ` Linus Torvalds
2011-09-26 23:09 ` Trond Myklebust
2011-09-26 23:26 ` Linus Torvalds
2011-09-27 0:59 ` Trond Myklebust
2011-09-27 1:18 ` Linus Torvalds
2011-09-27 4:24 ` Ian Kent
2011-09-27 3:57 ` Linus Torvalds
2011-09-27 4:16 ` Ian Kent
2011-09-27 4:35 ` Linus Torvalds
2011-09-27 4:51 ` Ian Kent
2011-09-27 14:32 ` Linus Torvalds
2011-09-27 15:11 ` Myklebust, Trond
2011-09-29 9:32 ` Ian Kent
2011-09-27 15:22 ` Linus Torvalds
2011-09-27 17:38 ` Greg KH
2011-09-27 17:51 ` Linus Torvalds
2011-09-27 18:00 ` Greg KH
2011-09-27 20:18 ` Miklos Szeredi
2011-09-27 22:38 ` Greg KH
2011-09-27 13:34 ` [PATCH 1/2] VFS: Fix the remaining automounter semantics regressions Trond Myklebust
2011-09-27 13:34 ` [PATCH 2/2] VFS: Document automounter semantics Trond Myklebust
2011-09-23 15:23 ` [PATCH] VFS: Suppress automount on [l]stat, [l]getxattr, etc David Howells
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