From: Ulrich Drepper <drepper@gmail.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
torvalds@linux-foundation.org, viro@zeniv.linux.org.uk,
adilger@sun.com, dhowells@redhat.com, alan@lxorguk.ukuu.org.uk,
akpm@linux-foundation.org
Subject: Re: [RFC] O_NOACC: open without any access
Date: Wed, 24 Jun 2009 10:02:04 -0700 [thread overview]
Message-ID: <a36005b50906241002g7a116d17n52e6af2ff9891f87@mail.gmail.com> (raw)
In-Reply-To: <E1MHBX7-0001Mv-Li@pomaz-ex.szeredi.hu>
On Wed, Jun 17, 2009 at 23:55, Miklos Szeredi<miklos@szeredi.hu> wrote:
> The sole purpose is to help race free "userspace lookup" type
> operations. So fstat, fch*, *at work but nothing else. Filesystem's
> ->open() is not called and f_op is set to NULL.
Before adding something like this, please look at the 2009 POSIX spec.
There are two new open() flags which have to be implemented: O_EXEC
and O_SEARCH. These might already suffice for what you want.
--
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:[~2009-06-24 17:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-18 6:55 [RFC] O_NOACC: open without any access Miklos Szeredi
2009-06-23 13:46 ` Christoph Hellwig
2009-06-23 14:12 ` Miklos Szeredi
2009-06-23 14:34 ` Christoph Hellwig
2009-06-23 15:13 ` Miklos Szeredi
2009-06-23 15:52 ` David Howells
2009-06-23 16:06 ` Alan Cox
2009-06-23 16:10 ` David Howells
2009-06-23 16:31 ` Miklos Szeredi
2009-06-23 16:33 ` Alan Cox
2009-06-23 17:05 ` David Howells
2009-06-23 17:34 ` Linus Torvalds
2009-06-23 20:04 ` Miklos Szeredi
2009-06-24 10:53 ` Al Viro
2009-06-24 11:12 ` Miklos Szeredi
2009-06-24 16:40 ` Linus Torvalds
2009-06-23 22:44 ` David Howells
2009-06-23 17:20 ` David Howells
2009-06-23 16:53 ` Christoph Hellwig
2009-06-23 16:59 ` David Howells
2009-06-24 17:02 ` Ulrich Drepper [this message]
2009-06-24 18:06 ` Miklos Szeredi
2009-06-24 18:34 ` Ulrich Drepper
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a36005b50906241002g7a116d17n52e6af2ff9891f87@mail.gmail.com \
--to=drepper@gmail.com \
--cc=adilger@sun.com \
--cc=akpm@linux-foundation.org \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=dhowells@redhat.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=miklos@szeredi.hu \
--cc=torvalds@linux-foundation.org \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).