From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Romain Francoise Newsgroups: gmane.emacs.devel Subject: Re: Making fsync() optional Date: Thu, 15 Sep 2005 10:45:26 +0200 Organization: orebokech dot com Message-ID: <87wtli4t3t.fsf@pacem.orebokech.com> References: <87oe6yf5o9.fsf@pacem.orebokech.com> <87mzmgsudo.fsf@pacem.orebokech.com> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1126776222 10450 80.91.229.2 (15 Sep 2005 09:23:42 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 15 Sep 2005 09:23:42 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Sep 15 11:23:33 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1EFpwA-0006bi-6s for ged-emacs-devel@m.gmane.org; Thu, 15 Sep 2005 11:21:46 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EFplc-00062B-Nb for ged-emacs-devel@m.gmane.org; Thu, 15 Sep 2005 05:10:52 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1EFpbT-00024a-LE for emacs-devel@gnu.org; Thu, 15 Sep 2005 05:00:24 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1EFpb6-0001vZ-Tn for emacs-devel@gnu.org; Thu, 15 Sep 2005 05:00:02 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EFpb1-0001Hw-Nr for emacs-devel@gnu.org; Thu, 15 Sep 2005 04:59:56 -0400 Original-Received: from [82.67.41.165] (helo=yeast.orebokech.com) by monty-python.gnu.org with esmtp (Exim 4.34) id 1EFpN1-0006Aq-97; Thu, 15 Sep 2005 04:45:27 -0400 Original-Received: from pacem.orebokech.com (pacem.orebokech.com [192.168.1.3]) by yeast.orebokech.com (Postfix) with ESMTP id 42D9612FC1; Thu, 15 Sep 2005 10:45:24 +0200 (CEST) Original-Received: by pacem.orebokech.com (Postfix, from userid 1000) id C7D4052405; Thu, 15 Sep 2005 10:45:26 +0200 (CEST) Original-To: rms@gnu.org X-Face: }9mYu,e_@+e!`Z-P5kVXa3\_b:hdJ"B)ww[&=b<2=awG:GOIM (Richard M. Stallman's message of "Wed, 14 Sep 2005 10:06:53 -0400") X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:42953 Archived-At: "Richard M. Stallman" writes: > Will the drive finish writing the blocks even if the computer crashes? If it's a software crash, probably. The write caching feature is very manufacturer dependent so it's hard to tell, there isn't much documentation about it. > It has been many years since I had a desktop machine; are IDE disks > commonly used on them? Yes, almost all desktop machines use IDE/SATA disks nowadays. > It seems really dumb if there is no way for the CPU to tell the disk, > "Write these blocks now, and tell me when you're done." There is a way, but when the drive reports that it has written the blocks it may just have stored them in its write cache. -- Romain Francoise | The world is a fine place, it's a miracle -- http://orebokech.com/ | and worth fighting for. | --Ernest Hemingway