Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 27 Oct 2002 16:53:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 27 Oct 2002 16:53:09 -0500 Received: from smtpout.mac.com ([204.179.120.85]:9431 "EHLO smtpout.mac.com") by vger.kernel.org with ESMTP id ; Sun, 27 Oct 2002 16:53:08 -0500 Message-ID: <3DBC625C.2EBA36D6@mac.com> Date: Sun, 27 Oct 2002 23:02:04 +0100 From: Peter Waechtler X-Mailer: Mozilla 4.8 [de] (X11; U; Linux 2.4.18-4GB-SMP i686) X-Accept-Language: de, en MIME-Version: 1.0 To: Alexander Viro CC: linux-kernel@vger.kernel.org, jakub@redhat.com, torvalds@transmeta.com Subject: Re: [PATCH] unified SysV and Posix mqueues as FS References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 810 Lines: 23 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/