9p: Update documentation to add fscache related bits

Update the documentation to describe FS-Cache related
caching parameters. This patch also updates the pointers
to 9p-related papers and adds pointer to the Wiki.

Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 26 insertions, 14 deletions

diff --git a/Documentation/filesystems/9p.txt b/Documentation/filesystems/9p.txt
index 6208f55c44c3..57e0b80a5274 100644
--- a/Documentation/filesystems/9p.txt
+++ b/Documentation/filesystems/9p.txt
@@ -18,11 +18,11 @@ the 9p client is available in the form of a USENIX paper:
 
 Other applications are described in the following papers:
         * XCPU & Clustering
-                http://www.xcpu.org/xcpu-talk.pdf
+                http://xcpu.org/papers/xcpu-talk.pdf
         * KVMFS: control file system for KVM
-                http://www.xcpu.org/kvmfs.pdf
-        * CellFS: A New ProgrammingModel for the Cell BE
-                http://www.xcpu.org/cellfs-talk.pdf
+                http://xcpu.org/papers/kvmfs.pdf
+        * CellFS: A New Programming Model for the Cell BE
+                http://xcpu.org/papers/cellfs-talk.pdf
         * PROSE I/O: Using 9p to enable Application Partitions
                 http://plan9.escet.urjc.es/iwp9/cready/PROSE_iwp9_2006.pdf
 
@@ -48,6 +48,7 @@ OPTIONS
                                 (see rfdno and wfdno)
                         virtio  - connect to the next virtio channel available
                                 (from lguest or KVM with trans_virtio module)
+                        rdma    - connect to a specified RDMA channel
 
   uname=name    user name to attempt mount as on the remote server.  The
                 server may override or ignore this value.  Certain user
@@ -59,16 +60,22 @@ OPTIONS
   cache=mode    specifies a caching policy.  By default, no caches are used.
                         loose = no attempts are made at consistency,
                                 intended for exclusive, read-only mounts
+                        fscache = use FS-Cache for a persistent, read-only
+                                cache backend.
 
   debug=n       specifies debug level.  The debug level is a bitmask.
-                        0x01 = display verbose error messages
-                        0x02 = developer debug (DEBUG_CURRENT)
-                        0x04 = display 9p trace
-                        0x08 = display VFS trace
-                        0x10 = display Marshalling debug
-                        0x20 = display RPC debug
-                        0x40 = display transport debug
-                        0x80 = display allocation debug
+                        0x01  = display verbose error messages
+                        0x02  = developer debug (DEBUG_CURRENT)
+                        0x04  = display 9p trace
+                        0x08  = display VFS trace
+                        0x10  = display Marshalling debug
+                        0x20  = display RPC debug
+                        0x40  = display transport debug
+                        0x80  = display allocation debug
+                        0x100 = display protocol message debug
+                        0x200 = display Fid debug
+                        0x400 = display packet debug
+                        0x800 = display fscache tracing debug
 
   rfdno=n       the file descriptor for reading with trans=fd
 
@@ -100,6 +107,10 @@ OPTIONS
                         any   = v9fs does single attach and performs all
                                 operations as one user
 
+  cachetag      cache tag to use the specified persistent cache.
+                cache tags for existing cache sessions can be listed at
+                /sys/fs/9p/caches. (applies only to cache=fscache)
+
 RESOURCES
 =========
 
@@ -118,7 +129,7 @@ and export.
 A Linux version of the 9p server is now maintained under the npfs project
 on sourceforge (http://sourceforge.net/projects/npfs).  The currently
 maintained version is the single-threaded version of the server (named spfs)
-available from the same CVS repository.
+available from the same SVN repository.
 
 There are user and developer mailing lists available through the v9fs project
 on sourceforge (http://sourceforge.net/projects/v9fs).
@@ -126,7 +137,8 @@ on sourceforge (http://sourceforge.net/projects/v9fs).
 A stand-alone version of the module (which should build for any 2.6 kernel)
 is available via (http://github.com/ericvh/9p-sac/tree/master)
 
-News and other information is maintained on SWiK (http://swik.net/v9fs).
+News and other information is maintained on SWiK (http://swik.net/v9fs)
+and the Wiki (http://sf.net/apps/mediawiki/v9fs/index.php).
 
 Bug reports may be issued through the kernel.org bugzilla 
 (http://bugzilla.kernel.org)