On Tue, 27 Jul 2010 22:18:10 +0530 Suresh Jayaraman <sjayaraman@xxxxxxx> wrote: > Changes since last post: > - added the information about the kernel CONFIG option > - also added the information that caching is currently enabled for files opened as read-only > > Document the newly added local caching feature using FS-Cache. This patch > could be queued and considered once the local caching patches gets merged > upstream. > > Signed-off-by: Suresh Jayaraman <sjayaraman@xxxxxxx> > --- > > doc/mount.cifs.8.xml | 20 ++++++++++++++++++++ > 1 files changed, 20 insertions(+), 0 deletions(-) > > diff --git a/doc/mount.cifs.8.xml b/doc/mount.cifs.8.xml > index 4937550..af20c10 100644 > --- a/doc/mount.cifs.8.xml > +++ b/doc/mount.cifs.8.xml > @@ -534,6 +534,26 @@ permissions in memory that can't be stored on the server. This information can d > maximum wsize currently allowed by CIFS is 57344 (fourteen > 4096 byte pages)</para></listitem> > </varlistentry> > + <varlistentry> > + <term>fsc</term> > + > + <listitem><para>Enable local disk caching using FS-Cache > + for cifs. 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 the > + scalability positively as the number of calls to the server > + are reduced. But, be warned that local caching is not suitable > + for all workloads, for e.g., read-once type workloads. So > + you need to consider carefully the situation/workload before > + using this option. Currently, local disk caching is enabled > + for CIFS files opened as read-only. > + NOTE: This feature is available only in the recent kernels > + that have been built with the kernel config option > + CONFIG_CIFS_FSCACHE. You also need to have cachefilesd daemon > + installed and running to make the cache operational. > + </para></listitem> > + </varlistentry> > <varlistentry> > <term>--verbose</term> > <listitem><para>Print additional debugging information for the mount. Note that this parameter must be specified before the -o. For example:</para><para>mount -t cifs //server/share /mnt --verbose -o user=username</para></listitem> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > I had already merged the original patch, so I've merged this one as a delta on top of that. Thanks, -- Jeff Layton <jlayton@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
