From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
Jeff Layton <jlayton@poochiereds.net>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>,
Dave Chinner <david@fromorbit.com>,
Sasha Levin <sasha.levin@oracle.com>
Subject: Re: [GIT PULL] please pull file-locking related changes for v3.20
Date: Thu, 26 Feb 2015 11:00:46 +0000 [thread overview]
Message-ID: <20150226110046.4bd919ad@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <CA+55aFxwuHCr3evNEfpAE-jGG+279PnevvxscvG-8q4YiYEv-g@mail.gmail.com>
On Tue, 17 Feb 2015 11:13:39 -0800
Linus Torvalds <torvalds@linux-foundation.org> wrote:
> On Tue, Feb 17, 2015 at 11:08 AM, J. Bruce Fields <bfields@fieldses.org> wrote:
> >
> > I agree that it's weird, but I think it's what we're stuck with.
>
> And if by "weird" you mean "flock is really not a well-defined or sane
> interface", I'll agree with you.
>
> That said, I'm not at all sure about the "we're stuck with it". We can
> improve the semantics without anybody noticing, because it's not like
> anybody could *depend* on the weaker semantics - they needed
> particular races and timings to hit anyway.
The BSD implementation does not documented such a race, or indeed appear
to have one. That implies that nothing using flock should have this
problem.
Alan
next prev parent reply other threads:[~2015-02-26 11:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-09 10:55 Jeff Layton
2015-02-16 13:32 ` Kirill A. Shutemov
2015-02-16 14:00 ` Jeff Layton
2015-02-16 18:46 ` Linus Torvalds
2015-02-16 19:24 ` Linus Torvalds
2015-02-16 19:59 ` Jeff Layton
2015-02-17 0:02 ` Jeff Layton
2015-02-17 0:21 ` Linus Torvalds
2015-02-17 0:35 ` Jeff Layton
2015-02-17 19:08 ` J. Bruce Fields
2015-02-17 19:13 ` Linus Torvalds
2015-02-17 19:27 ` Jeff Layton
2015-02-17 19:41 ` Linus Torvalds
2015-02-17 19:45 ` J. Bruce Fields
2015-02-17 20:12 ` Jeff Layton
2015-02-17 20:17 ` Linus Torvalds
2015-02-17 19:29 ` Linus Torvalds
2015-02-26 11:00 ` One Thousand Gnomes [this message]
2015-02-26 14:45 ` J. Bruce Fields
2015-02-26 15:09 ` J. Bruce Fields
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