From: Peter Waechtler <pwaechtler@mac.com>
To: Alexander Viro <viro@math.psu.edu>
Cc: linux-kernel@vger.kernel.org, jakub@redhat.com, torvalds@transmeta.com
Subject: Re: [PATCH] unified SysV and Posix mqueues as FS
Date: Sun, 27 Oct 2002 23:02:04 +0100 [thread overview]
Message-ID: <3DBC625C.2EBA36D6@mac.com> (raw)
In-Reply-To: <Pine.GSO.4.21.0210271052170.1416-100000@steklov.math.psu.edu>
Alexander Viro schrieb:
>
> On Sun, 27 Oct 2002, Peter Waechtler wrote:
>
> > I applied the patch from Jakub against 2.5.44
> > There are still open issues but it's important to get this in before
> > feature freeze.
> >
> > While you can implement Posix mqueues in userland (Irix is doing this
> > with fcntl(fd,F_SETLKW,) and shmem) a kernel implementation has some advantages:
>
> *thud*
>
> ioctls on _directories_, of all things?
Parden? Where are directories used?
create a file, give it a size, mmap it and serialize access to it with locks.
That's all.
next prev parent reply other threads:[~2002-10-27 21:53 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-27 15:33 Peter Waechtler
2002-10-27 15:47 ` Jeff Garzik
2002-10-27 15:53 ` Alexander Viro
2002-10-27 19:49 ` H. Peter Anvin
2002-10-27 22:02 ` Peter Waechtler [this message]
2002-10-28 1:54 ` Alexander Viro
2002-10-28 10:44 ` Peter Waechtler
2002-10-28 22:18 ` Bill Davidsen
2002-10-27 16:55 Manfred Spraul
2002-10-27 22:05 ` Peter Waechtler
[not found] ` <3DBCDF4A.3080709@colorfullife.com>
2002-10-28 10:49 ` Peter Waechtler
2002-10-28 21:39 ` Peter Waechtler
2002-10-28 21:43 ` Manfred Spraul
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