From 0f588214bc07682b522ac14814b4d97a9b6455d4 Mon Sep 17 00:00:00 2001 From: Suresh Jayaraman Date: Thu, 9 Dec 2010 09:37:52 -0500 Subject: mount.cifs: manpage: add entry for "actimeo" option Signed-off-by: Suresh Jayaraman Signed-off-by: Jeff Layton --- mount.cifs.8 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'mount.cifs.8') diff --git a/mount.cifs.8 b/mount.cifs.8 index 7d2bf69..cc829ac 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 users can make a +tradeoff between performance and cache metadata correctness, depending on +workload needs. Shorter timeouts mean better cache coherency, but frequent +increased number of calls to the server. Longer timeouts mean a reduced number +of calls to the server but looser cache coherency\&. The actimeo value is a +positive integer 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: -- cgit v1.2.3