From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Jo14q-0003jC-Ck for qemu-devel@nongnu.org; Mon, 21 Apr 2008 14:49:20 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Jo14c-0003ie-Uw for qemu-devel@nongnu.org; Mon, 21 Apr 2008 14:49:19 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jo14c-0003ib-QY for qemu-devel@nongnu.org; Mon, 21 Apr 2008 14:49:06 -0400 Received: from py-out-1112.google.com ([64.233.166.181]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Jo14c-0000mS-1B for qemu-devel@nongnu.org; Mon, 21 Apr 2008 14:49:06 -0400 Received: by py-out-1112.google.com with SMTP id u52so2847623pyb.10 for ; Mon, 21 Apr 2008 11:48:44 -0700 (PDT) Message-ID: <480CE187.4080707@codemonkey.ws> Date: Mon, 21 Apr 2008 13:48:39 -0500 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] Linux SIGIO handling changes References: <12086832292508-git-send-email-mail@flac.kalibalik.dk> <480C98B3.7050905@qumranet.com> <480CB61D.8050507@codemonkey.ws> <200804211713.38338.paul@codesourcery.com> In-Reply-To: <200804211713.38338.paul@codesourcery.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paul Brook Cc: qemu-devel@nongnu.org Paul Brook wrote: >> posix-aio is a pretty unfortunate interface as it doesn't provide a >> mechanism to do asynchronous fdatasync() >> > > Isn't that what aio_fsync(O_DSYNC) does? > Indeed. So it's really just the lack of vectored operations and the fact that we limit it to a single thread. Regards, Anthony Liguori > Paul >