On Tue, 27 Jul 2010 10:13:14 -0500 Steve French <smfrench@xxxxxxxxx> wrote: > Yes - I agree with Jeff, need to add the mention of the config option > and perhaps how to tell if fsc feature is available in kernel. > How would one tell? :) > On Tue, Jul 27, 2010 at 9:33 AM, Jeff Layton <jlayton@xxxxxxxxxx> wrote: > > On Tue, 27 Jul 2010 19:20:00 +0530 > > Suresh Jayaraman <sjayaraman@xxxxxxx> wrote: > > > >> 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 | 17 +++++++++++++++++ > >> 1 files changed, 17 insertions(+), 0 deletions(-) > >> > >> diff --git a/doc/mount.cifs.8.xml b/doc/mount.cifs.8.xml > >> index 4937550..2200746 100644 > >> --- a/doc/mount.cifs.8.xml > >> +++ b/doc/mount.cifs.8.xml > >> @@ -534,6 +534,23 @@ 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. > >> + NOTE: You also need to have cachefilesd daemon installed and > >> + running to make the cache operational. > >> + </para></listitem> > >> + </varlistentry> > > > > You may want to mention somewhere that this is only available in recent > > kernels that have been built with fsc turned on. > > > > Other than that, this and the mount.cifs patch look fine and I'll plan > > to commit them before the upcoming 4.6 release. > > > >> <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> > > > > -- > > Jeff Layton <jlayton@xxxxxxxxxx> > > > > > -- 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
