diff --git a/Documentation/filesystems/v9fs.txt b/Documentation/filesystems/v9fs.txt new file mode 100644 index 000000000000..4e92feb6b507 --- /dev/null +++ b/Documentation/filesystems/v9fs.txt @@ -0,0 +1,95 @@ + V9FS: 9P2000 for Linux + ====================== + +ABOUT +===== + +v9fs is a Unix implementation of the Plan 9 9p remote filesystem protocol. + +This software was originally developed by Ron Minnich +and Maya Gokhale . Additional development by Greg Watson + and most recently Eric Van Hensbergen + and Latchesar Ionkov . + +USAGE +===== + +For remote file server: + + mount -t 9P 10.10.1.2 /mnt/9 + +For Plan 9 From User Space applications (http://swtch.com/plan9) + + mount -t 9P `namespace`/acme /mnt/9 -o proto=unix,name=$USER + +OPTIONS +======= + + proto=name select an alternative transport. Valid options are + currently: + unix - specifying a named pipe mount point + tcp - specifying a normal TCP/IP connection + fd - used passed file descriptors for connection + (see rfdno and wfdno) + + name=name user name to attempt mount as on the remote server. The + server may override or ignore this value. Certain user + names may require authentication. + + aname=name aname specifies the file tree to access when the server is + offering several exported file systems. + + 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 + + rfdno=n the file descriptor for reading with proto=fd + + wfdno=n the file descriptor for writing with proto=fd + + maxdata=n the number of bytes to use for 9P packet payload (msize) + + port=n port to connect to on the remote server + + timeout=n request timeouts (in ms) (default 60000ms) + + noextend force legacy mode (no 9P2000.u semantics) + + uid attempt to mount as a particular uid + + gid attempt to mount with a particular gid + + afid security channel - used by Plan 9 authentication protocols + + nodevmap do not map special files - represent them as normal files. + This can be used to share devices/named pipes/sockets between + hosts. This functionality will be expanded in later versions. + +RESOURCES +========= + +The Linux version of the 9P server, along with some client-side utilities +can be found at http://v9fs.sf.net (along with a CVS repository of the +development branch of this module). There are user and developer mailing +lists here, as well as a bug-tracker. + +For more information on the Plan 9 Operating System check out +http://plan9.bell-labs.com/plan9 + +For information on Plan 9 from User Space (Plan 9 applications and libraries +ported to Linux/BSD/OSX/etc) check out http://swtch.com/plan9 + + +STATUS +====== + +The 2.6 kernel support is working on PPC and x86. + +PLEASE USE THE SOURCEFORGE BUG-TRACKER TO REPORT PROBLEMS. + diff --git a/MAINTAINERS b/MAINTAINERS index eaa46594f021..8429bdb1d2a1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2684,6 +2684,17 @@ L: rio500-users@lists.sourceforge.net W: http://rio500.sourceforge.net S: Maintained +V9FS FILE SYSTEM +P: Eric Van Hensbergen +M: ericvh@gmail.com +P: Ron Minnich +M: rminnich@lanl.gov +P: Latchesar Ionkov +M: lucho@ionkov.net +L: v9fs-developer@lists.sourceforge.net +W: http://v9fs.sf.net +S: Maintained + VIDEO FOR LINUX P: Mauro Carvalho Chehab M: mchehab@brturbo.com.br diff --git a/fs/9p/Makefile b/fs/9p/Makefile new file mode 100644 index 000000000000..e4e4ffe5a7dc --- /dev/null +++ b/fs/9p/Makefile @@ -0,0 +1,17 @@ +obj-$(CONFIG_9P_FS) := 9p2000.o + +9p2000-objs := \ + vfs_super.o \ + vfs_inode.o \ + vfs_file.o \ + vfs_dir.o \ + vfs_dentry.o \ + error.o \ + mux.o \ + trans_fd.o \ + trans_sock.o \ + 9p.o \ + conv.o \ + v9fs.o \ + fid.o + diff --git a/fs/Kconfig b/fs/Kconfig index 5e817902cb3b..443aed4e2067 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -1703,6 +1703,17 @@ config AFS_FS config RXRPC tristate +config 9P_FS + tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" + depends on INET && EXPERIMENTAL + help + If you say Y here, you will get experimental support for + Plan 9 resource sharing via the 9P2000 protocol. + + See for more information. + + If unsure, say N. + endmenu menu "Partition Types" diff --git a/fs/Makefile b/fs/Makefile index 15158309dee4..d646502c1efb 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -94,6 +94,7 @@ obj-$(CONFIG_RELAYFS_FS) += relayfs/ obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/ obj-$(CONFIG_JFS_FS) += jfs/ obj-$(CONFIG_XFS_FS) += xfs/ +obj-$(CONFIG_9P_FS) += 9p/ obj-$(CONFIG_AFS_FS) += afs/ obj-$(CONFIG_BEFS_FS) += befs/ obj-$(CONFIG_HOSTFS) += hostfs/