From mboxrd@z Thu Jan 1 00:00:00 1970 From: Suresh Jayaraman Subject: [PATCH] cifs: update README to include details about 'fsc' option Date: Thu, 05 Aug 2010 18:52:21 +0530 Message-ID: <4C5ABB0D.6000504@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Steve French Return-path: Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Signed-off-by: Suresh Jayaraman --- fs/cifs/README | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/fs/cifs/README b/fs/cifs/README index a7081ee..7099a52 100644 --- a/fs/cifs/README +++ b/fs/cifs/README @@ -301,6 +301,16 @@ A partial list of the supported mount options follows: gid Set the default gid for inodes (similar to above). file_mode If CIFS Unix extensions are not supported by the server this overrides the default mode for file inodes. + fsc Enable local disk caching using FS-Cache (off by default). This + option could be useful to improve performance on a slow link, + heavily loaded server and/or network where reading from the + disk is faster than reading from the server (over the network). + This could also impact scalability positively as the + number of calls to the server are reduced. However, local + caching is not suitable for all workloads for e.g. read-once + type workloads. So, you need to consider carefully your + workload/scenario before using this option. Currently, local + disk caching is functional for CIFS files opened as read-only. dir_mode If CIFS Unix extensions are not supported by the server this overrides the default mode for directory inodes. port attempt to contact the server on this tcp port, before