From patchwork Wed Dec 1 13:00:36 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suresh Jayaraman X-Patchwork-Id: 371151 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oB1D0Pma014128 for ; Wed, 1 Dec 2010 13:00:44 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752209Ab0LANAn (ORCPT ); Wed, 1 Dec 2010 08:00:43 -0500 Received: from victor.provo.novell.com ([137.65.250.26]:42521 "EHLO victor.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751361Ab0LANAn (ORCPT ); Wed, 1 Dec 2010 08:00:43 -0500 Received: from localhost (prv-ext-foundry1int.gns.novell.com [137.65.251.240]) by victor.provo.novell.com with ESMTP; Wed, 01 Dec 2010 06:00:39 -0700 From: Suresh Jayaraman To: Jeff Layton Cc: linux-cifs@vger.kernel.org Subject: [PATCH] mount.cifs: manpage: add entry for "actimeo" option Date: Wed, 1 Dec 2010 18:30:36 +0530 Message-Id: <1291208436-12371-1-git-send-email-sjayaraman@suse.de> X-Mailer: git-send-email 1.7.1 Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Wed, 01 Dec 2010 13:00:44 +0000 (UTC) diff --git a/mount.cifs.8 b/mount.cifs.8 index 7d2bf69..15dc2dc 100644 --- a/mount.cifs.8 +++ b/mount.cifs.8 @@ -403,6 +403,24 @@ Map user accesses to individual credentials when accessing the server\&. By defa With this change, it's feasible for the server to handle permissions enforcement, so this option also implies "noperm"\&. Furthermore, when unix extensions aren't in use and the administrator has not overriden ownership using the uid= or gid= options, ownership of files is presented as the current user accessing the share\&. .RE .PP +actimeo=\fIarg\fR +.RS 4 +The time (in seconds) that the CIFS client caches attributes of a file or +directory before it requests attribute information from a server. During this +period the changes that occur on the server remain undetected until the client +checks the server again. +.sp +By default, the attribute cache timeout is set to 1 second. This means more +frequent on-the-wire calls to the server to check whether attributes have +changed which could impact performance. With this option the users can make +tradeoff between performance and cache metadata correctness depending on the +workload needs. Shorter timeouts mean better the cache coherency, but frequent +increased number of calls to the server. Longer timeouts mean reduced number +of calls to the server at the expense of stricter cache coherency\&. The +actimeo value is a positive integral that can hold values between 0 and a +maximum value of 2^30 * HZ (frequency of timer interrupt) setting\&. +.RE +.PP \-\-verbose .RS 4 Print additional debugging information for the mount\&. Note that this parameter must be specified before the \-o\&. For example: