9p: Reorganization of 9p file system code

This patchset moves non-filesystem interfaces of v9fs from fs/9p to net/9p.
It moves the transport, packet marshalling and connection layers to net/9p
leaving only the VFS related files in fs/9p.  This work is being done in
preparation for in-kernel 9p servers as well as alternate 9p clients (other
than VFS).

Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

fs/9p/Makefile

@@ -1,18 +1,12 @@
 obj-$(CONFIG_9P_FS) := 9p.o
 
 9p-objs := \
-	trans_fd.o \
-	mux.o \
-	fcall.o \
-	conv.o \
 	vfs_super.o \
 	vfs_inode.o \
 	vfs_addr.o \
 	vfs_file.o \
 	vfs_dir.o \
 	vfs_dentry.o \
-	error.o \
 	v9fs.o \
 	fid.o \
-	fcprint.o