Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Signed-off-by: Steve French <sfrench@us.ibm.com>

25 files changed, 696 insertions, 598 deletions

diff --git a/fs/9p/9p.h b/fs/9p/9p.h
index 0cd374d9471..94e2f92ab2e 100644
--- a/fs/9p/9p.h
+++ b/fs/9p/9p.h
@@ -8,9 +8,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -235,6 +234,7 @@ struct Tcreate {
 	struct v9fs_str name;
 	u32 perm;
 	u8 mode;
+	struct v9fs_str extension;
 };
 
 struct Rcreate {
@@ -348,8 +348,6 @@ int v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname,
 
 int v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid);
 
-int v9fs_t_flush(struct v9fs_session_info *v9ses, u16 oldtag);
-
 int v9fs_t_stat(struct v9fs_session_info *v9ses, u32 fid,
 		struct v9fs_fcall **rcall);
 
@@ -366,7 +364,7 @@ int v9fs_t_remove(struct v9fs_session_info *v9ses, u32 fid,
 		  struct v9fs_fcall **rcall);
 
 int v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name,
-		  u32 perm, u8 mode, struct v9fs_fcall **rcall);
+	u32 perm, u8 mode, char *extension, struct v9fs_fcall **rcall);
 
 int v9fs_t_read(struct v9fs_session_info *v9ses, u32 fid,
 		u64 offset, u32 count, struct v9fs_fcall **rcall);
@@ -374,3 +372,4 @@ int v9fs_t_read(struct v9fs_session_info *v9ses, u32 fid,
 int v9fs_t_write(struct v9fs_session_info *v9ses, u32 fid, u64 offset,
 		 u32 count, const char __user * data,
 		 struct v9fs_fcall **rcall);
+int v9fs_printfcall(char *, int, struct v9fs_fcall *, int);
diff --git a/fs/9p/Makefile b/fs/9p/Makefile
index 2f4ce43f7b6..87897f84dfb 100644
--- a/fs/9p/Makefile
+++ b/fs/9p/Makefile
@@ -1,10 +1,9 @@
-obj-$(CONFIG_9P_FS) := 9p2000.o
+obj-$(CONFIG_9P_FS) := 9p.o
 
-9p2000-objs := \
+9p-objs := \
 	trans_fd.o \
-	trans_sock.o \
 	mux.o \
-	9p.o \
+	fcall.o \
 	conv.o \
 	vfs_super.o \
 	vfs_inode.o \
@@ -14,5 +13,6 @@ obj-$(CONFIG_9P_FS) := 9p2000.o
 	vfs_dentry.o \
 	error.o \
 	v9fs.o \
-	fid.o
+	fid.o \
+	fcprint.o
 
diff --git a/fs/9p/conv.c b/fs/9p/conv.c
index bf1f1006796..a767e05b60b 100644
--- a/fs/9p/conv.c
+++ b/fs/9p/conv.c
@@ -8,9 +8,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -536,6 +535,7 @@ struct v9fs_fcall *v9fs_create_tversion(u32 msize, char *version)
 	return fc;
 }
 
+#if 0
 struct v9fs_fcall *v9fs_create_tauth(u32 afid, char *uname, char *aname)
 {
 	int size;
@@ -559,6 +559,7 @@ struct v9fs_fcall *v9fs_create_tauth(u32 afid, char *uname, char *aname)
       error:
 	return fc;
 }
+#endif  /*  0  */
 
 struct v9fs_fcall *
 v9fs_create_tattach(u32 fid, u32 afid, char *uname, char *aname)
@@ -664,7 +665,8 @@ struct v9fs_fcall *v9fs_create_topen(u32 fid, u8 mode)
 	return fc;
 }
 
-struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
+struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
+	char *extension, int extended)
 {
 	int size;
 	struct v9fs_fcall *fc;
@@ -672,6 +674,9 @@ struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
 	struct cbuf *bufp = &buffer;
 
 	size = 4 + 2 + strlen(name) + 4 + 1;	/* fid[4] name[s] perm[4] mode[1] */
+	if (extended && extension!=NULL)
+		size += 2 + strlen(extension);	/* extension[s] */
+
 	fc = v9fs_create_common(bufp, size, TCREATE);
 	if (IS_ERR(fc))
 		goto error;
@@ -680,6 +685,8 @@ struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
 	v9fs_put_str(bufp, name, &fc->params.tcreate.name);
 	v9fs_put_int32(bufp, perm, &fc->params.tcreate.perm);
 	v9fs_put_int8(bufp, mode, &fc->params.tcreate.mode);
+	if (extended)
+		v9fs_put_str(bufp, extension, &fc->params.tcreate.extension);
 
 	if (buf_check_overflow(bufp)) {
 		kfree(fc);
diff --git a/fs/9p/conv.h b/fs/9p/conv.h
index 26a736e4a2e..dd5b6b1b610 100644
--- a/fs/9p/conv.h
+++ b/fs/9p/conv.h
@@ -8,9 +8,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -33,14 +32,14 @@ int v9fs_deserialize_fcall(void *buf, u32 buflen, struct v9fs_fcall *rcall,
 void v9fs_set_tag(struct v9fs_fcall *fc, u16 tag);
 
 struct v9fs_fcall *v9fs_create_tversion(u32 msize, char *version);
-struct v9fs_fcall *v9fs_create_tauth(u32 afid, char *uname, char *aname);
 struct v9fs_fcall *v9fs_create_tattach(u32 fid, u32 afid, char *uname,
 	char *aname);
 struct v9fs_fcall *v9fs_create_tflush(u16 oldtag);
 struct v9fs_fcall *v9fs_create_twalk(u32 fid, u32 newfid, u16 nwname,
 	char **wnames);
 struct v9fs_fcall *v9fs_create_topen(u32 fid, u8 mode);
-struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode);
+struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
+	char *extension, int extended);
 struct v9fs_fcall *v9fs_create_tread(u32 fid, u64 offset, u32 count);
 struct v9fs_fcall *v9fs_create_twrite(u32 fid, u64 offset, u32 count,
 	const char __user *data);
diff --git a/fs/9p/debug.h b/fs/9p/debug.h
index fe551032788..4228c0bb3c3 100644
--- a/fs/9p/debug.h
+++ b/fs/9p/debug.h
@@ -5,9 +5,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -30,6 +29,7 @@
 #define DEBUG_MUX		(1<<5)
 #define DEBUG_TRANS		(1<<6)
 #define DEBUG_SLABS	      	(1<<7)
+#define DEBUG_FCALL		(1<<8)
 
 #define DEBUG_DUMP_PKT		0
 
diff --git a/fs/9p/error.c b/fs/9p/error.c
index e4b6f8f38b6..981fe8ecd78 100644
--- a/fs/9p/error.c
+++ b/fs/9p/error.c
@@ -11,9 +11,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/fs/9p/error.h b/fs/9p/error.h
index a9794e85fe5..5f3ca522b31 100644
--- a/fs/9p/error.h
+++ b/fs/9p/error.h
@@ -12,9 +12,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/fs/9p/9p.c b/fs/9p/fcall.c
index f86a28d1d6a..71742ba150c 100644
--- a/fs/9p/9p.c
+++ b/fs/9p/fcall.c
@@ -1,5 +1,5 @@
 /*
- *  linux/fs/9p/9p.c
+ *  linux/fs/9p/fcall.c
  *
  *  This file contains functions to perform synchronous 9P calls
  *
@@ -8,9 +8,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -148,13 +147,13 @@ v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid)
 	return ret;
 }
 
+#if 0
 /**
  * v9fs_v9fs_t_flush - flush a pending transaction
  * @v9ses: 9P2000 session information
- * @tag: tid to release
+ * @tag: tag to release
  *
  */
-
 int v9fs_t_flush(struct v9fs_session_info *v9ses, u16 oldtag)
 {
 	int ret;
@@ -171,6 +170,7 @@ int v9fs_t_flush(struct v9fs_session_info *v9ses, u16 oldtag)
 
 	return ret;
 }
+#endif
 
 /**
  * v9fs_t_stat - read a file's meta-data
@@ -332,8 +332,8 @@ v9fs_t_remove(struct v9fs_session_info *v9ses, u32 fid,
  */
 
 int
-v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name,
-	      u32 perm, u8 mode, struct v9fs_fcall **rcp)
+v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name, u32 perm,
+	u8 mode, char *extension, struct v9fs_fcall **rcp)
 {
 	int ret;
 	struct v9fs_fcall *tc;
@@ -341,7 +341,9 @@ v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name,
 	dprintk(DEBUG_9P, "fid %d name '%s' perm %x mode %d\n",
 		fid, name, perm, mode);
 
-	tc = v9fs_create_tcreate(fid, name, perm, mode);
+	tc = v9fs_create_tcreate(fid, name, perm, mode, extension,
+		v9ses->extended);
+
 	if (!IS_ERR(tc)) {
 		ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
 		kfree(tc);
diff --git a/fs/9p/fcprint.c b/fs/9p/fcprint.c
new file mode 100644
index 00000000000..583e827baeb
--- /dev/null
+++ b/fs/9p/fcprint.c
@@ -0,0 +1,346 @@
+/*
+ *  linux/fs/9p/fcprint.c
+ *
+ *  Print 9P call.
+ *
+ *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to:
+ *  Free Software Foundation
+ *  51 Franklin Street, Fifth Floor
+ *  Boston, MA  02111-1301  USA
+ *
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/idr.h>
+
+#include "debug.h"
+#include "v9fs.h"
+#include "9p.h"
+#include "mux.h"
+
+static int
+v9fs_printqid(char *buf, int buflen, struct v9fs_qid *q)
+{
+	int n;
+	char b[10];
+
+	n = 0;
+	if (q->type & V9FS_QTDIR)
+		b[n++] = 'd';
+	if (q->type & V9FS_QTAPPEND)
+		b[n++] = 'a';
+	if (q->type & V9FS_QTAUTH)
+		b[n++] = 'A';
+	if (q->type & V9FS_QTEXCL)
+		b[n++] = 'l';
+	if (q->type & V9FS_QTTMP)
+		b[n++] = 't';
+	if (q->type & V9FS_QTSYMLINK)
+		b[n++] = 'L';
+	b[n] = '\0';
+
+	return scnprintf(buf, buflen, "(%.16llx %x %s)", (long long int) q->path,
+		q->version, b);
+}
+
+static int
+v9fs_printperm(char *buf, int buflen, int perm)
+{
+	int n;
+	char b[15];
+
+	n = 0;
+	if (perm & V9FS_DMDIR)
+		b[n++] = 'd';
+	if (perm & V9FS_DMAPPEND)
+		b[n++] = 'a';
+	if (perm & V9FS_DMAUTH)
+		b[n++] = 'A';
+	if (perm & V9FS_DMEXCL)
+		b[n++] = 'l';
+	if (perm & V9FS_DMTMP)
+		b[n++] = 't';
+	if (perm & V9FS_DMDEVICE)
+		b[n++] = 'D';
+	if (perm & V9FS_DMSOCKET)
+		b[n++] = 'S';
+	if (perm & V9FS_DMNAMEDPIPE)
+		b[n++] = 'P';
+	if (perm & V9FS_DMSYMLINK)
+		b[n++] = 'L';
+	b[n] = '\0';
+
+	return scnprintf(buf, buflen, "%s%03o", b, perm&077);
+}
+
+static int
+v9fs_printstat(char *buf, int buflen, struct v9fs_stat *st, int extended)
+{
+	int n;
+
+	n = scnprintf(buf, buflen, "'%.*s' '%.*s'", st->name.len,
+		st->name.str, st->uid.len, st->uid.str);
+	if (extended)
+		n += scnprintf(buf+n, buflen-n, "(%d)", st->n_uid);
+
+	n += scnprintf(buf+n, buflen-n, " '%.*s'", st->gid.len, st->gid.str);
+	if (extended)
+		n += scnprintf(buf+n, buflen-n, "(%d)", st->n_gid);
+
+	n += scnprintf(buf+n, buflen-n, " '%.*s'", st->muid.len, st->muid.str);
+	if (extended)
+		n += scnprintf(buf+n, buflen-n, "(%d)", st->n_muid);
+
+	n += scnprintf(buf+n, buflen-n, " q ");
+	n += v9fs_printqid(buf+n, buflen-n, &st->qid);
+	n += scnprintf(buf+n, buflen-n, " m ");
+	n += v9fs_printperm(buf+n, buflen-n, st->mode);
+	n += scnprintf(buf+n, buflen-n, " at %d mt %d l %lld",
+		st->atime, st->mtime, (long long int) st->length);
+
+	if (extended)
+		n += scnprintf(buf+n, buflen-n, " ext '%.*s'",
+			st->extension.len, st->extension.str);
+
+	return n;
+}
+
+static int
+v9fs_dumpdata(char *buf, int buflen, u8 *data, int datalen)
+{
+	int i, n;
+
+	i = n = 0;
+	while (i < datalen) {
+		n += scnprintf(buf + n, buflen - n, "%02x", data[i]);
+		if (i%4 == 3)
+			n += scnprintf(buf + n, buflen - n, " ");
+		if (i%32 == 31)
+			n += scnprintf(buf + n, buflen - n, "\n");
+
+		i++;
+	}
+	n += scnprintf(buf + n, buflen - n, "\n");
+
+	return n;
+}
+
+static int
+v9fs_printdata(char *buf, int buflen, u8 *data, int datalen)
+{
+	return v9fs_dumpdata(buf, buflen, data, datalen<16?datalen:16);
+}
+
+int
+v9fs_printfcall(char *buf, int buflen, struct v9fs_fcall *fc, int extended)
+{
+	int i, ret, type, tag;
+
+	if (!fc)
+		return scnprintf(buf, buflen, "<NULL>");
+
+	type = fc->id;
+	tag = fc->tag;
+
+	ret = 0;
+	switch (type) {
+	case TVERSION:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Tversion tag %u msize %u version '%.*s'", tag,
+			fc->params.tversion.msize, fc->params.tversion.version.len,
+			fc->params.tversion.version.str);
+		break;
+
+	case RVERSION:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Rversion tag %u msize %u version '%.*s'", tag,
+			fc->params.rversion.msize, fc->params.rversion.version.len,
+			fc->params.rversion.version.str);
+		break;
+
+	case TAUTH:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Tauth tag %u afid %d uname '%.*s' aname '%.*s'", tag,
+			fc->params.tauth.afid, fc->params.tauth.uname.len,
+			fc->params.tauth.uname.str, fc->params.tauth.aname.len,
+			fc->params.tauth.aname.str);
+		break;
+
+	case RAUTH:
+		ret += scnprintf(buf+ret, buflen-ret, "Rauth tag %u qid ", tag);
+		v9fs_printqid(buf+ret, buflen-ret, &fc->params.rauth.qid);
+		break;
+
+	case TATTACH:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Tattach tag %u fid %d afid %d uname '%.*s' aname '%.*s'",
+			tag, fc->params.tattach.fid, fc->params.tattach.afid,
+			fc->params.tattach.uname.len, fc->params.tattach.uname.str,
+			fc->params.tattach.aname.len, fc->params.tattach.aname.str);
+		break;
+
+	case RATTACH:
+		ret += scnprintf(buf+ret, buflen-ret, "Rattach tag %u qid ", tag);
+		v9fs_printqid(buf+ret, buflen-ret, &fc->params.rattach.qid);
+		break;
+
+	case RERROR:
+		ret += scnprintf(buf+ret, buflen-ret, "Rerror tag %u ename '%.*s'",
+			tag, fc->params.rerror.error.len,
+			fc->params.rerror.error.str);
+		if (extended)
+			ret += scnprintf(buf+ret, buflen-ret, " ecode %d\n",
+				fc->params.rerror.errno);
+		break;
+
+	case TFLUSH:
+		ret += scnprintf(buf+ret, buflen-ret, "Tflush tag %u oldtag %u",
+			tag, fc->params.tflush.oldtag);
+		break;
+
+	case RFLUSH:
+		ret += scnprintf(buf+ret, buflen-ret, "Rflush tag %u", tag);
+		break;
+
+	case TWALK:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Twalk tag %u fid %d newfid %d nwname %d", tag,
+			fc->params.twalk.fid, fc->params.twalk.newfid,
+			fc->params.twalk.nwname);
+		for(i = 0; i < fc->params.twalk.nwname; i++)
+			ret += scnprintf(buf+ret, buflen-ret," '%.*s'",
+				fc->params.twalk.wnames[i].len,
+				fc->params.twalk.wnames[i].str);
+		break;
+
+	case RWALK:
+		ret += scnprintf(buf+ret, buflen-ret, "Rwalk tag %u nwqid %d",
+			tag, fc->params.rwalk.nwqid);
+		for(i = 0; i < fc->params.rwalk.nwqid; i++)
+			ret += v9fs_printqid(buf+ret, buflen-ret,
+				&fc->params.rwalk.wqids[i]);
+		break;
+
+	case TOPEN:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Topen tag %u fid %d mode %d", tag,
+			fc->params.topen.fid, fc->params.topen.mode);
+		break;
+
+	case ROPEN:
+		ret += scnprintf(buf+ret, buflen-ret, "Ropen tag %u", tag);
+		ret += v9fs_printqid(buf+ret, buflen-ret, &fc->params.ropen.qid);
+		ret += scnprintf(buf+ret, buflen-ret," iounit %d",
+			fc->params.ropen.iounit);
+		break;
+
+	case TCREATE:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Tcreate tag %u fid %d name '%.*s' perm ", tag,
+			fc->params.tcreate.fid, fc->params.tcreate.name.len,
+			fc->params.tcreate.name.str);
+
+		ret += v9fs_printperm(buf+ret, buflen-ret, fc->params.tcreate.perm);
+		ret += scnprintf(buf+ret, buflen-ret, " mode %d",
+			fc->params.tcreate.mode);
+		break;
+
+	case RCREATE:
+		ret += scnprintf(buf+ret, buflen-ret, "Rcreate tag %u", tag);
+		ret += v9fs_printqid(buf+ret, buflen-ret, &fc->params.rcreate.qid);
+		ret += scnprintf(buf+ret, buflen-ret, " iounit %d",
+			fc->params.rcreate.iounit);
+		break;
+
+	case TREAD:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Tread tag %u fid %d offset %lld count %u", tag,
+			fc->params.tread.fid,
+			(long long int) fc->params.tread.offset,
+			fc->params.tread.count);
+		break;
+
+	case RREAD:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Rread tag %u count %u data ", tag,
+			fc->params.rread.count);
+		ret += v9fs_printdata(buf+ret, buflen-ret, fc->params.rread.data,
+			fc->params.rread.count);
+		break;
+
+	case TWRITE:
+		ret += scnprintf(buf+ret, buflen-ret,
+			"Twrite tag %u fid %d offset %lld count %u data ",
+			tag, fc->params.twrite.fid,
+			(long long int) fc->params.twrite.offset,
+			fc->params.twrite.count);
+		ret += v9fs_printdata(buf+ret, buflen-ret, fc->params.twrite.data,
+			fc->params.twrite.count);
+		break;
+
+	case RWRITE:
+		ret += scnprintf(buf+ret, buflen-ret, "Rwrite tag %u count %u",
+			tag, fc->params.rwrite.count);
+		break;
+
+	case TCLUNK:
+		ret += scnprintf(buf+ret, buflen-ret, "Tclunk tag %u fid %d",
+			tag, fc->params.tclunk.fid);
+		break;
+
+	case RCLUNK:
+		ret += scnprintf(buf+ret, buflen-ret, "Rclunk tag %u", tag);
+		break;
+
+	case TREMOVE:
+		ret += scnprintf(buf+ret, buflen-ret, "Tremove tag %u fid %d",
+			tag, fc->params.tremove.fid);
+		break;
+
+	case RREMOVE:
+		ret += scnprintf(buf+ret, buflen-ret, "Rremove tag %u", tag);
+		break;
+
+	case TSTAT:
+		ret += scnprintf(buf+ret, buflen-ret, "Tstat tag %u fid %d",
+			tag, fc->params.tstat.fid);
+		break;
+
+	case RSTAT:
+		ret += scnprintf(buf+ret, buflen-ret, "Rstat tag %u ", tag);
+		ret += v9fs_printstat(buf+ret, buflen-ret, &fc->params.rstat.stat,
+			extended);
+		break;
+
+	case TWSTAT:
+		ret += scnprintf(buf+ret, buflen-ret, "Twstat tag %u fid %d ",
+			tag, fc->params.twstat.fid);
+		ret += v9fs_printstat(buf+ret, buflen-ret, &fc->params.twstat.stat,
+			extended);
+		break;
+
+	case RWSTAT:
+		ret += scnprintf(buf+ret, buflen-ret, "Rwstat tag %u", tag);
+		break;
+
+	default:
+		ret += scnprintf(buf+ret, buflen-ret, "unknown type %d", type);
+		break;
+	}
+
+	return ret;
+}
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index c4d13bf904d..b7608af07ce 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -4,9 +4,8 @@
  *  Copyright (C) 2005, 2006 by Eric Van Hensbergen <ericvh@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index 1fc2dd08d75..aa974d6875c 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -4,9 +4,8 @@
  *  Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/fs/9p/mux.c b/fs/9p/mux.c
index ea1134eb47c..3e5b124a721 100644
--- a/fs/9p/mux.c
+++ b/fs/9p/mux.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2004-2005 by Latchesar Ionkov <lucho@ionkov.net>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -31,6 +30,7 @@
 #include <linux/poll.h>
 #include <linux/kthread.h>
 #include <linux/idr.h>
+#include <linux/mutex.h>
 
 #include "debug.h"
 #include "v9fs.h"
@@ -69,7 +69,7 @@ struct v9fs_mux_data {
 	int msize;
 	unsigned char *extended;
 	struct v9fs_transport *trans;
-	struct v9fs_idpool tidpool;
+	struct v9fs_idpool tagpool;
 	int err;
 	wait_queue_head_t equeue;
 	struct list_head req_list;
@@ -110,7 +110,7 @@ static void v9fs_pollwait(struct file *filp, wait_queue_head_t * wait_address,
 static u16 v9fs_mux_get_tag(struct v9fs_mux_data *);
 static void v9fs_mux_put_tag(struct v9fs_mux_data *, u16);
 
-static DECLARE_MUTEX(v9fs_mux_task_lock);
+static DEFINE_MUTEX(v9fs_mux_task_lock);
 static struct workqueue_struct *v9fs_mux_wq;
 
 static int v9fs_mux_num;
@@ -142,7 +142,7 @@ void v9fs_mux_global_exit(void)
  *
  * The current implementation returns sqrt of the number of mounts.
  */
-inline int v9fs_mux_calc_poll_procs(int muxnum)
+static int v9fs_mux_calc_poll_procs(int muxnum)
 {
 	int n;
 
@@ -166,7 +166,7 @@ static int v9fs_mux_poll_start(struct v9fs_mux_data *m)
 
 	dprintk(DEBUG_MUX, "mux %p muxnum %d procnum %d\n", m, v9fs_mux_num,
 		v9fs_mux_poll_task_num);
-	up(&v9fs_mux_task_lock);
+	mutex_lock(&v9fs_mux_task_lock);
 
 	n = v9fs_mux_calc_poll_procs(v9fs_mux_num + 1);
 	if (n > v9fs_mux_poll_task_num) {
@@ -225,7 +225,7 @@ static int v9fs_mux_poll_start(struct v9fs_mux_data *m)
 	}
 
 	v9fs_mux_num++;
-	down(&v9fs_mux_task_lock);
+	mutex_unlock(&v9fs_mux_task_lock);
 
 	return 0;
 }
@@ -235,7 +235,7 @@ static void v9fs_mux_poll_stop(struct v9fs_mux_data *m)
 	int i;
 	struct v9fs_mux_poll_task *vpt;
 
-	up(&v9fs_mux_task_lock);
+	mutex_lock(&v9fs_mux_task_lock);
 	vpt = m->poll_task;
 	list_del(&m->mux_list);
 	for(i = 0; i < ARRAY_SIZE(m->poll_waddr); i++) {
@@ -252,7 +252,7 @@ static void v9fs_mux_poll_stop(struct v9fs_mux_data *m)
 		v9fs_mux_poll_task_num--;
 	}
 	v9fs_mux_num--;
-	down(&v9fs_mux_task_lock);
+	mutex_unlock(&v9fs_mux_task_lock);
 }
 
 /**
@@ -279,8 +279,8 @@ struct v9fs_mux_data *v9fs_mux_init(struct v9fs_transport *trans, int msize,
 	m->msize = msize;
 	m->extended = extended;
 	m->trans = trans;
-	idr_init(&m->tidpool.pool);
-	init_MUTEX(&m->tidpool.lock);
+	idr_init(&m->tagpool.pool);
+	init_MUTEX(&m->tagpool.lock);
 	m->err = 0;
 	init_waitqueue_head(&m->equeue);
 	INIT_LIST_HEAD(&m->req_list);
@@ -383,7 +383,7 @@ v9fs_pollwait(struct file *filp, wait_queue_head_t * wait_address,
 /**
  * v9fs_poll_mux - polls a mux and schedules read or write works if necessary
  */
-static inline void v9fs_poll_mux(struct v9fs_mux_data *m)
+static void v9fs_poll_mux(struct v9fs_mux_data *m)
 {
 	int n;
 
@@ -634,6 +634,14 @@ static void v9fs_read_work(void *a)
 			goto error;
 		}
 
+		if ((v9fs_debug_level&DEBUG_FCALL) == DEBUG_FCALL) {
+			char buf[150];
+
+			v9fs_printfcall(buf, sizeof(buf), m->rcall,
+				*m->extended);
+			printk(KERN_NOTICE ">>> %p %s\n", m, buf);
+		}
+
 		rcall = m->rcall;
 		rbuf = m->rbuf;
 		if (m->rpos > n) {
@@ -739,6 +747,13 @@ static struct v9fs_req *v9fs_send_request(struct v9fs_mux_data *m,
 
 	v9fs_set_tag(tc, n);
 
+	if ((v9fs_debug_level&DEBUG_FCALL) == DEBUG_FCALL) {
+		char buf[150];
+
+		v9fs_printfcall(buf, sizeof(buf), tc, *m->extended);
+		printk(KERN_NOTICE "<<< %p %s\n", m, buf);
+	}
+
 	req->tag = n;
 	req->tcall = tc;
 	req->rcall = NULL;
@@ -761,9 +776,8 @@ static struct v9fs_req *v9fs_send_request(struct v9fs_mux_data *m,
 	return req;
 }
 
-static inline void
-v9fs_mux_flush_cb(void *a, struct v9fs_fcall *tc, struct v9fs_fcall *rc,
-		  int err)
+static void v9fs_mux_flush_cb(void *a, struct v9fs_fcall *tc,
+			      struct v9fs_fcall *rc, int err)
 {
 	v9fs_mux_req_callback cb;
 	int tag;
@@ -901,6 +915,7 @@ v9fs_mux_rpc(struct v9fs_mux_data *m, struct v9fs_fcall *tc,
 	return err;
 }
 
+#if 0
 /**
  * v9fs_mux_rpcnb - sends 9P request without waiting for response.
  * @m: mux data
@@ -924,6 +939,7 @@ int v9fs_mux_rpcnb(struct v9fs_mux_data *m, struct v9fs_fcall *tc,
 	dprintk(DEBUG_MUX, "mux %p tc %p tag %d\n", m, tc, req->tag);
 	return 0;
 }
+#endif  /*  0  */
 
 /**
  * v9fs_mux_cancel - cancel all pending requests with error
@@ -963,7 +979,7 @@ static u16 v9fs_mux_get_tag(struct v9fs_mux_data *m)
 {
 	int tag;
 
-	tag = v9fs_get_idpool(&m->tidpool);
+	tag = v9fs_get_idpool(&m->tagpool);
 	if (tag < 0)
 		return V9FS_NOTAG;
 	else
@@ -972,6 +988,6 @@ static u16 v9fs_mux_get_tag(struct v9fs_mux_data *m)
 
 static void v9fs_mux_put_tag(struct v9fs_mux_data *m, u16 tag)
 {
-	if (tag != V9FS_NOTAG && v9fs_check_idpool(tag, &m->tidpool))
-		v9fs_put_idpool(tag, &m->tidpool);
+	if (tag != V9FS_NOTAG && v9fs_check_idpool(tag, &m->tagpool))
+		v9fs_put_idpool(tag, &m->tagpool);
 }
diff --git a/fs/9p/mux.h b/fs/9p/mux.h
index 9473b84f24b..e90bfd32ea4 100644
--- a/fs/9p/mux.h
+++ b/fs/9p/mux.h
@@ -7,9 +7,8 @@
  *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -50,8 +49,6 @@ void v9fs_mux_destroy(struct v9fs_mux_data *);
 int v9fs_mux_send(struct v9fs_mux_data *m, struct v9fs_fcall *tc);
 struct v9fs_fcall *v9fs_mux_recv(struct v9fs_mux_data *m);
 int v9fs_mux_rpc(struct v9fs_mux_data *m, struct v9fs_fcall *tc, struct v9fs_fcall **rc);
-int v9fs_mux_rpcnb(struct v9fs_mux_data *m, struct v9fs_fcall *tc,
-	v9fs_mux_req_callback cb, void *a);
 
 void v9fs_mux_flush(struct v9fs_mux_data *m, int sendflush);
 void v9fs_mux_cancel(struct v9fs_mux_data *m, int err);
diff --git a/fs/9p/trans_fd.c b/fs/9p/trans_fd.c
index 5b2ce21b10f..94e0a7fd9fc 100644
--- a/fs/9p/trans_fd.c
+++ b/fs/9p/trans_fd.c
@@ -1,15 +1,16 @@
 /*
  * linux/fs/9p/trans_fd.c
  *
- * File Descriptor Transport Layer
+ * Fd transport layer.  Includes deprecated socket layer.
  *
- *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
- *  Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
+ *  Copyright (C) 2006 by Russ Cox <rsc@swtch.com>
+ *  Copyright (C) 2004-2005 by Latchesar Ionkov <lucho@ionkov.net>
+ *  Copyright (C) 2004-2005 by Eric Van Hensbergen <ericvh@gmail.com>
+ *  Copyright (C) 1997-2002 by Ron Minnich <rminnich@sarnoff.com>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -25,6 +26,7 @@
  */
 
 #include <linux/config.h>
+#include <linux/in.h>
 #include <linux/module.h>
 #include <linux/net.h>
 #include <linux/ipv6.h>
@@ -40,89 +42,119 @@
 #include "v9fs.h"
 #include "transport.h"
 
+#define V9FS_PORT 564
+
 struct v9fs_trans_fd {
-	struct file *in_file;
-	struct file *out_file;
+	struct file *rd;
+	struct file *wr;
 };
 
 /**
- * v9fs_fd_recv - receive from a socket
+ * v9fs_fd_read- read from a fd
  * @v9ses: session information
  * @v: buffer to receive data into
  * @len: size of receive buffer
  *
  */
-
-static int v9fs_fd_recv(struct v9fs_transport *trans, void *v, int len)
+static int v9fs_fd_read(struct v9fs_transport *trans, void *v, int len)
 {
-	struct v9fs_trans_fd *ts = trans ? trans->priv : NULL;
+	int ret;
+	struct v9fs_trans_fd *ts;
 
-	if (!trans || trans->status != Connected || !ts)
-		return -EIO;
+	if (!trans || trans->status == Disconnected || !(ts = trans->priv))
+		return -EREMOTEIO;
 
-	return kernel_read(ts->in_file, ts->in_file->f_pos, v, len);
+	if (!(ts->rd->f_flags & O_NONBLOCK))
+		dprintk(DEBUG_ERROR, "blocking read ...\n");
+
+	ret = kernel_read(ts->rd, ts->rd->f_pos, v, len);
+	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
+		trans->status = Disconnected;
+	return ret;
 }
 
 /**
- * v9fs_fd_send - send to a socket
+ * v9fs_fd_write - write to a socket
  * @v9ses: session information
  * @v: buffer to send data from
  * @len: size of send buffer
  *
  */
-
-static int v9fs_fd_send(struct v9fs_transport *trans, void *v, int len)
+static int v9fs_fd_write(struct v9fs_transport *trans, void *v, int len)
 {
-	struct v9fs_trans_fd *ts = trans ? trans->priv : NULL;
-	mm_segment_t oldfs = get_fs();
-	int ret = 0;
+	int ret;
+	mm_segment_t oldfs;
+	struct v9fs_trans_fd *ts;
 
-	if (!trans || trans->status != Connected || !ts)
-		return -EIO;
+	if (!trans || trans->status == Disconnected || !(ts = trans->priv))
+		return -EREMOTEIO;
+
+	if (!(ts->wr->f_flags & O_NONBLOCK))
+		dprintk(DEBUG_ERROR, "blocking write ...\n");
 
 	oldfs = get_fs();
 	set_fs(get_ds());
 	/* The cast to a user pointer is valid due to the set_fs() */
-	ret = vfs_write(ts->out_file, (void __user *)v, len, &ts->out_file->f_pos);
+	ret = vfs_write(ts->wr, (void __user *)v, len, &ts->wr->f_pos);
 	set_fs(oldfs);
 
+	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
+		trans->status = Disconnected;
 	return ret;
 }
 
-/**
- * v9fs_fd_init - initialize file descriptor transport
- * @v9ses: session information
- * @addr: address of server to mount
- * @data: mount options
- *
- */
-
-static int
-v9fs_fd_init(struct v9fs_session_info *v9ses, const char *addr, char *data)
+static unsigned int
+v9fs_fd_poll(struct v9fs_transport *trans, struct poll_table_struct *pt)
 {
-	struct v9fs_trans_fd *ts = NULL;
-	struct v9fs_transport *trans = v9ses->transport;
+	int ret, n;
+	struct v9fs_trans_fd *ts;
+	mm_segment_t oldfs;
 
-	if((v9ses->wfdno == ~0) || (v9ses->rfdno == ~0)) {
-		printk(KERN_ERR "v9fs: Insufficient options for proto=fd\n");
-		return -ENOPROTOOPT;
-	}
+	if (!trans || trans->status != Connected || !(ts = trans->priv))
+		return -EREMOTEIO;
 
-	ts = kmalloc(sizeof(struct v9fs_trans_fd), GFP_KERNEL);
+	if (!ts->rd->f_op || !ts->rd->f_op->poll)
+		return -EIO;
 
-	if (!ts)
-		return -ENOMEM;
+	if (!ts->wr->f_op || !ts->wr->f_op->poll)
+		return -EIO;
 
-	ts->in_file = fget( v9ses->rfdno );
-	ts->out_file = fget( v9ses->wfdno );
+	oldfs = get_fs();
+	set_fs(get_ds());
 
-	if (!ts->in_file || !ts->out_file) {
-		if (ts->in_file)
-			fput(ts->in_file);
+	ret = ts->rd->f_op->poll(ts->rd, pt);
+	if (ret < 0)
+		goto end;
 
-		if (ts->out_file)
-			fput(ts->out_file);
+	if (ts->rd != ts->wr) {
+		n = ts->wr->f_op->poll(ts->wr, pt);
+		if (n < 0) {
+			ret = n;
+			goto end;
+		}
+		ret = (ret & ~POLLOUT) | (n & ~POLLIN);
+	}
 
+      end:
+	set_fs(oldfs);
+	return ret;
+}
+
+static int v9fs_fd_open(struct v9fs_session_info *v9ses, int rfd, int wfd)
+{
+	struct v9fs_transport *trans = v9ses->transport;
+	struct v9fs_trans_fd *ts = kmalloc(sizeof(struct v9fs_trans_fd),
+					   GFP_KERNEL);
+	if (!ts)
+		return -ENOMEM;
+
+	ts->rd = fget(rfd);
+	ts->wr = fget(wfd);
+	if (!ts->rd || !ts->wr) {
+		if (ts->rd)
+			fput(ts->rd);
+		if (ts->wr)
+			fput(ts->wr);
 		kfree(ts);
 		return -EIO;
 	}
@@ -133,84 +165,145 @@ v9fs_fd_init(struct v9fs_session_info *v9ses, const char *addr, char *data)
 	return 0;
 }
 
-
-/**
- * v9fs_fd_close - shutdown file descriptor
- * @trans: private socket structure
- *
- */
-
-static void v9fs_fd_close(struct v9fs_transport *trans)
+static int v9fs_fd_init(struct v9fs_session_info *v9ses, const char *addr,
+			char *data)
 {
-	struct v9fs_trans_fd *ts;
-
-	if (!trans)
-		return;
-
-	ts = xchg(&trans->priv, NULL);
+	if (v9ses->rfdno == ~0 || v9ses->wfdno == ~0) {
+		printk(KERN_ERR "v9fs: Insufficient options for proto=fd\n");
+		return -ENOPROTOOPT;
+	}
 
-	if (!ts)
-		return;
+	return v9fs_fd_open(v9ses, v9ses->rfdno, v9ses->wfdno);
+}
 
-	trans->status = Disconnected;
-	if (ts->in_file)
-		fput(ts->in_file);
+static int v9fs_socket_open(struct v9fs_session_info *v9ses,
+			    struct socket *csocket)
+{
+	int fd, ret;
+
+	csocket->sk->sk_allocation = GFP_NOIO;
+	if ((fd = sock_map_fd(csocket)) < 0) {
+		eprintk(KERN_ERR, "v9fs_socket_open: failed to map fd\n");
+		ret = fd;
+	      release_csocket:
+		sock_release(csocket);
+		return ret;
+	}
 
-	if (ts->out_file)
-		fput(ts->out_file);
+	if ((ret = v9fs_fd_open(v9ses, fd, fd)) < 0) {
+		sockfd_put(csocket);
+		eprintk(KERN_ERR, "v9fs_socket_open: failed to open fd\n");
+		goto release_csocket;
+	}
 
-	kfree(ts);
+	((struct v9fs_trans_fd *)v9ses->transport->priv)->rd->f_flags |=
+	    O_NONBLOCK;
+	return 0;
 }
 
-static unsigned int
-v9fs_fd_poll(struct v9fs_transport *trans, struct poll_table_struct *pt)
+static int v9fs_tcp_init(struct v9fs_session_info *v9ses, const char *addr,
+			 char *data)
 {
-	int ret, n;
-	struct v9fs_trans_fd *ts;
-	mm_segment_t oldfs;
+	int ret;
+	struct socket *csocket = NULL;
+	struct sockaddr_in sin_server;
+
+	sin_server.sin_family = AF_INET;
+	sin_server.sin_addr.s_addr = in_aton(addr);
+	sin_server.sin_port = htons(v9ses->port);
+	sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, &csocket);
+
+	if (!csocket) {
+		eprintk(KERN_ERR, "v9fs_trans_tcp: problem creating socket\n");
+		return -1;
+	}
 
-	if (!trans)
-		return -EIO;
+	ret = csocket->ops->connect(csocket,
+				    (struct sockaddr *)&sin_server,
+				    sizeof(struct sockaddr_in), 0);
+	if (ret < 0) {
+		eprintk(KERN_ERR,
+			"v9fs_trans_tcp: problem connecting socket to %s\n",
+			addr);
+		return ret;
+	}
 
-	ts = trans->priv;
-	if (trans->status != Connected || !ts)
-		return -EIO;
+	return v9fs_socket_open(v9ses, csocket);
+}
 
-	oldfs = get_fs();
-	set_fs(get_ds());
+static int
+v9fs_unix_init(struct v9fs_session_info *v9ses, const char *addr, char *data)
+{
+	int ret;
+	struct socket *csocket;
+	struct sockaddr_un sun_server;
+
+	if (strlen(addr) > UNIX_PATH_MAX) {
+		eprintk(KERN_ERR, "v9fs_trans_unix: address too long: %s\n",
+			addr);
+		return -ENAMETOOLONG;
+	}
 
-	if (!ts->in_file->f_op || !ts->in_file->f_op->poll) {
-		ret = -EIO;
-		goto end;
+	sun_server.sun_family = PF_UNIX;
+	strcpy(sun_server.sun_path, addr);
+	sock_create_kern(PF_UNIX, SOCK_STREAM, 0, &csocket);
+	ret = csocket->ops->connect(csocket, (struct sockaddr *)&sun_server,
+			sizeof(struct sockaddr_un) - 1, 0);
+	if (ret < 0) {
+		eprintk(KERN_ERR,
+			"v9fs_trans_unix: problem connecting socket: %s: %d\n",
+			addr, ret);
+		return ret;
 	}
 
-	ret = ts->in_file->f_op->poll(ts->in_file, pt);
+	return v9fs_socket_open(v9ses, csocket);
+}
 
-	if (ts->out_file != ts->in_file) {
-		if (!ts->out_file->f_op || !ts->out_file->f_op->poll) {
-			ret = -EIO;
-			goto end;
-		}
+/**
+ * v9fs_sock_close - shutdown socket
+ * @trans: private socket structure
+ *
+ */
+static void v9fs_fd_close(struct v9fs_transport *trans)
+{
+	struct v9fs_trans_fd *ts;
 
-		n = ts->out_file->f_op->poll(ts->out_file, pt);
+	if (!trans)
+		return;
 
-		ret &= ~POLLOUT;
-		n &= ~POLLIN;
+	ts = xchg(&trans->priv, NULL);
 
-		ret |= n;
-	}
+	if (!ts)
+		return;
 
-end:
-	set_fs(oldfs);
-	return ret;
+	trans->status = Disconnected;
+	if (ts->rd)
+		fput(ts->rd);
+	if (ts->wr)
+		fput(ts->wr);
+	kfree(ts);
 }
 
-
 struct v9fs_transport v9fs_trans_fd = {
 	.init = v9fs_fd_init,
-	.write = v9fs_fd_send,
-	.read = v9fs_fd_recv,
+	.write = v9fs_fd_write,
+	.read = v9fs_fd_read,
 	.close = v9fs_fd_close,
 	.poll = v9fs_fd_poll,
 };
 
+struct v9fs_transport v9fs_trans_tcp = {
+	.init = v9fs_tcp_init,
+	.write = v9fs_fd_write,
+	.read = v9fs_fd_read,
+	.close = v9fs_fd_close,
+	.poll = v9fs_fd_poll,
+};
+
+struct v9fs_transport v9fs_trans_unix = {
+	.init = v9fs_unix_init,
+	.write = v9fs_fd_write,
+	.read = v9fs_fd_read,
+	.close = v9fs_fd_close,
+	.poll = v9fs_fd_poll,
+};
diff --git a/fs/9p/trans_sock.c b/fs/9p/trans_sock.c
deleted file mode 100644
index 44e830697ac..00000000000
--- a/fs/9p/trans_sock.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * linux/fs/9p/trans_socket.c
- *
- * Socket Transport Layer
- *
- *  Copyright (C) 2004-2005 by Latchesar Ionkov <lucho@ionkov.net>
- *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
- *  Copyright (C) 1997-2002 by Ron Minnich <rminnich@sarnoff.com>
- *  Copyright (C) 1995, 1996 by Olaf Kirch <okir@monad.swb.de>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to:
- *  Free Software Foundation
- *  51 Franklin Street, Fifth Floor
- *  Boston, MA  02111-1301  USA
- *
- */
-
-#include <linux/config.h>
-#include <linux/in.h>
-#include <linux/module.h>
-#include <linux/net.h>
-#include <linux/ipv6.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/un.h>
-#include <asm/uaccess.h>
-#include <linux/inet.h>
-#include <linux/idr.h>
-#include <linux/file.h>
-
-#include "debug.h"
-#include "v9fs.h"
-#include "transport.h"
-
-#define V9FS_PORT 564
-
-struct v9fs_trans_sock {
-	struct socket *s;
-	struct file *filp;
-};
-
-/**
- * v9fs_sock_recv - receive from a socket
- * @v9ses: session information
- * @v: buffer to receive data into
- * @len: size of receive buffer
- *
- */
-
-static int v9fs_sock_recv(struct v9fs_transport *trans, void *v, int len)
-{
-	int ret;
-	struct v9fs_trans_sock *ts;
-
-	if (!trans || trans->status == Disconnected) {
-		dprintk(DEBUG_ERROR, "disconnected ...\n");
-		return -EREMOTEIO;
-	}
-
-	ts = trans->priv;
-
-	if (!(ts->filp->f_flags & O_NONBLOCK))
-		dprintk(DEBUG_ERROR, "blocking read ...\n");
-
-	ret = kernel_read(ts->filp, ts->filp->f_pos, v, len);
-	if (ret <= 0) {
-		if (ret != -ERESTARTSYS && ret != -EAGAIN)
-			trans->status = Disconnected;
-	}
-
-	return ret;
-}
-
-/**
- * v9fs_sock_send - send to a socket
- * @v9ses: session information
- * @v: buffer to send data from
- * @len: size of send buffer
- *
- */
-
-static int v9fs_sock_send(struct v9fs_transport *trans, void *v, int len)
-{
-	int ret;
-	mm_segment_t oldfs;
-	struct v9fs_trans_sock *ts;
-
-	if (!trans || trans->status == Disconnected) {
-		dprintk(DEBUG_ERROR, "disconnected ...\n");
-		return -EREMOTEIO;
-	}
-
-	ts = trans->priv;
-	if (!ts) {
-		dprintk(DEBUG_ERROR, "no transport ...\n");
-		return -EREMOTEIO;
-	}
-
-	if (!(ts->filp->f_flags & O_NONBLOCK))
-		dprintk(DEBUG_ERROR, "blocking write ...\n");
-
-	oldfs = get_fs();
-	set_fs(get_ds());
-	ret = vfs_write(ts->filp, (void __user *)v, len, &ts->filp->f_pos);
-	set_fs(oldfs);
-
-	if (ret < 0) {
-		if (ret != -ERESTARTSYS)
-			trans->status = Disconnected;
-	}
-
-	return ret;
-}
-
-static unsigned int v9fs_sock_poll(struct v9fs_transport *trans,
-	struct poll_table_struct *pt) {
-
-	int ret;
-	struct v9fs_trans_sock *ts;
-	mm_segment_t oldfs;
-
-	if (!trans) {
-		dprintk(DEBUG_ERROR, "no transport\n");
-		return -EIO;
-	}
-
-	ts = trans->priv;
-	if (trans->status != Connected || !ts) {
-		dprintk(DEBUG_ERROR, "transport disconnected: %d\n", trans->status);
-		return -EIO;
-	}
-
-	oldfs = get_fs();
-	set_fs(get_ds());
-
-	if (!ts->filp->f_op || !ts->filp->f_op->poll) {
-		dprintk(DEBUG_ERROR, "no poll operation\n");
-		ret = -EIO;
-		goto end;
-	}
-
-	ret = ts->filp->f_op->poll(ts->filp, pt);
-
-end:
-	set_fs(oldfs);
-	return ret;
-}
-
-
-/**
- * v9fs_tcp_init - initialize TCP socket
- * @v9ses: session information
- * @addr: address of server to mount
- * @data: mount options
- *
- */
-
-static int
-v9fs_tcp_init(struct v9fs_session_info *v9ses, const char *addr, char *data)
-{
-	struct socket *csocket = NULL;
-	struct sockaddr_in sin_server;
-	int rc = 0;
-	struct v9fs_trans_sock *ts = NULL;
-	struct v9fs_transport *trans = v9ses->transport;
-	int fd;
-
-	trans->status = Disconnected;
-
-	ts = kmalloc(sizeof(struct v9fs_trans_sock), GFP_KERNEL);
-
-	if (!ts)
-		return -ENOMEM;
-
-	trans->priv = ts;
-	ts->s = NULL;
-	ts->filp = NULL;
-
-	if (!addr)
-		return -EINVAL;
-
-	dprintk(DEBUG_TRANS, "Connecting to %s\n", addr);
-
-	sin_server.sin_family = AF_INET;
-	sin_server.sin_addr.s_addr = in_aton(addr);
-	sin_server.sin_port = htons(v9ses->port);
-	sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, &csocket);
-	rc = csocket->ops->connect(csocket,
-				   (struct sockaddr *)&sin_server,
-				   sizeof(struct sockaddr_in), 0);
-	if (rc < 0) {
-		eprintk(KERN_ERR,
-			"v9fs_trans_tcp: problem connecting socket to %s\n",
-			addr);
-		return rc;
-	}
-	csocket->sk->sk_allocation = GFP_NOIO;
-
-	fd = sock_map_fd(csocket);
-	if (fd < 0) {
-		sock_release(csocket);
-		kfree(ts);
-		trans->priv = NULL;
-		return fd;
-	}
-
-	ts->s = csocket;
-	ts->filp = fget(fd);
-	ts->filp->f_flags |= O_NONBLOCK;
-	trans->status = Connected;
-
-	return 0;
-}
-
-/**
- * v9fs_unix_init - initialize UNIX domain socket
- * @v9ses: session information
- * @dev_name: path to named pipe
- * @data: mount options
- *
- */
-
-static int
-v9fs_unix_init(struct v9fs_session_info *v9ses, const char *dev_name,
-	       char *data)
-{
-	int rc, fd;
-	struct socket *csocket;
-	struct sockaddr_un sun_server;
-	struct v9fs_transport *trans;
-	struct v9fs_trans_sock *ts;
-
-	rc = 0;
-	csocket = NULL;
-	trans = v9ses->transport;
-
-	trans->status = Disconnected;
-
-	if (strlen(dev_name) > UNIX_PATH_MAX) {
-		eprintk(KERN_ERR, "v9fs_trans_unix: address too long: %s\n",
-			dev_name);
-		return -ENOMEM;
-	}
-
-	ts = kmalloc(sizeof(struct v9fs_trans_sock), GFP_KERNEL);
-	if (!ts)
-		return -ENOMEM;
-
-	trans->priv = ts;
-	ts->s = NULL;
-	ts->filp = NULL;
-
-	sun_server.sun_family = PF_UNIX;
-	strcpy(sun_server.sun_path, dev_name);
-	sock_create_kern(PF_UNIX, SOCK_STREAM, 0, &csocket);
-	rc = csocket->ops->connect(csocket, (struct sockaddr *)&sun_server,
-		sizeof(struct sockaddr_un) - 1, 0);	/* -1 *is* important */
-	if (rc < 0) {
-		eprintk(KERN_ERR,
-			"v9fs_trans_unix: problem connecting socket: %s: %d\n",
-			dev_name, rc);
-		return rc;
-	}
-	csocket->sk->sk_allocation = GFP_NOIO;
-
-	fd = sock_map_fd(csocket);
-	if (fd < 0) {
-		sock_release(csocket);
-		kfree(ts);
-		trans->priv = NULL;
-		return fd;
-	}
-
-	ts->s = csocket;
-	ts->filp = fget(fd);
-	ts->filp->f_flags |= O_NONBLOCK;
-	trans->status = Connected;
-
-	return 0;
-}
-
-/**
- * v9fs_sock_close - shutdown socket
- * @trans: private socket structure
- *
- */
-
-static void v9fs_sock_close(struct v9fs_transport *trans)
-{
-	struct v9fs_trans_sock *ts;
-
-	if (!trans)
-		return;
-
-	ts = trans->priv;
-
-	if ((ts) && (ts->filp)) {
-		fput(ts->filp);
-		ts->filp = NULL;
-		ts->s = NULL;
-		trans->status = Disconnected;
-	}
-
-	kfree(ts);
-
-	trans->priv = NULL;
-}
-
-struct v9fs_transport v9fs_trans_tcp = {
-	.init = v9fs_tcp_init,
-	.write = v9fs_sock_send,
-	.read = v9fs_sock_recv,
-	.close = v9fs_sock_close,
-	.poll = v9fs_sock_poll,
-};
-
-struct v9fs_transport v9fs_trans_unix = {
-	.init = v9fs_unix_init,
-	.write = v9fs_sock_send,
-	.read = v9fs_sock_recv,
-	.close = v9fs_sock_close,
-	.poll = v9fs_sock_poll,
-};
diff --git a/fs/9p/transport.h b/fs/9p/transport.h
index 91fcdb94b36..b38a4b8a41c 100644
--- a/fs/9p/transport.h
+++ b/fs/9p/transport.h
@@ -7,9 +7,8 @@
  *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 61352491ba3..d37416eb579 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -51,7 +50,7 @@ enum {
 	Opt_port, Opt_msize, Opt_uid, Opt_gid, Opt_afid, Opt_debug,
 	Opt_rfdno, Opt_wfdno,
 	/* String options */
-	Opt_name, Opt_remotename,
+	Opt_uname, Opt_remotename,
 	/* Options that take no arguments */
 	Opt_legacy, Opt_nodevmap, Opt_unix, Opt_tcp, Opt_fd,
 	/* Error token */
@@ -67,7 +66,7 @@ static match_table_t tokens = {
 	{Opt_rfdno, "rfdno=%u"},
 	{Opt_wfdno, "wfdno=%u"},
 	{Opt_debug, "debug=%x"},
-	{Opt_name, "name=%s"},
+	{Opt_uname, "uname=%s"},
 	{Opt_remotename, "aname=%s"},
 	{Opt_unix, "proto=unix"},
 	{Opt_tcp, "proto=tcp"},
@@ -116,7 +115,7 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
 		if (!*p)
 			continue;
 		token = match_token(p, tokens, args);
-		if (token < Opt_name) {
+		if (token < Opt_uname) {
 			if ((ret = match_int(&args[0], &option)) < 0) {
 				dprintk(DEBUG_ERROR,
 					"integer field, but no integer?\n");
@@ -158,7 +157,7 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
 		case Opt_fd:
 			v9ses->proto = PROTO_FD;
 			break;
-		case Opt_name:
+		case Opt_uname:
 			match_strcpy(v9ses->name, &args[0]);
 			break;
 		case Opt_remotename:
@@ -289,7 +288,7 @@ v9fs_session_init(struct v9fs_session_info *v9ses,
 	/* set global debug level */
 	v9fs_debug_level = v9ses->debug;
 
-	/* id pools that are session-dependent: FIDs and TIDs */
+	/* id pools that are session-dependent: fids and tags */
 	idr_init(&v9ses->fidpool.pool);
 	init_MUTEX(&v9ses->fidpool.lock);
 
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index f337da7a0ee..c134d104cb2 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -5,9 +5,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -91,6 +90,3 @@ void v9fs_session_cancel(struct v9fs_session_info *v9ses);
 #define V9FS_DEFUSER	"nobody"
 #define V9FS_DEFANAME	""
 
-/* inital pool sizes for fids and tags */
-#define V9FS_START_FIDS 8192
-#define V9FS_START_TIDS 256
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index a759278acaa..f867b8d3e97 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -5,9 +5,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -40,8 +39,8 @@
 
 extern struct file_system_type v9fs_fs_type;
 extern struct address_space_operations v9fs_addr_operations;
-extern struct file_operations v9fs_file_operations;
-extern struct file_operations v9fs_dir_operations;
+extern const struct file_operations v9fs_file_operations;
+extern const struct file_operations v9fs_dir_operations;
 extern struct dentry_operations v9fs_dentry_operations;
 
 struct inode *v9fs_get_inode(struct super_block *sb, int mode);
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 8100fb5171b..efda46fb64d 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 12c9cc926b7..062daa6000a 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -51,7 +50,7 @@
  *
  */
 
-int v9fs_dentry_delete(struct dentry *dentry)
+static int v9fs_dentry_delete(struct dentry *dentry)
 {
 	dprintk(DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry);
 	return 1;
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index cd5eeb032d6..e32d5971039 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -205,7 +204,7 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-struct file_operations v9fs_dir_operations = {
+const struct file_operations v9fs_dir_operations = {
 	.read = generic_read_dir,
 	.readdir = v9fs_dir_readdir,
 	.open = v9fs_file_open,
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index de3a129698d..083dcfcd158 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -69,29 +68,30 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 
 	fid = v9fs_get_idpool(&v9ses->fidpool);
 	if (fid < 0) {
-			eprintk(KERN_WARNING, "newfid fails!\n");
-			return -ENOSPC;
-		}
+		eprintk(KERN_WARNING, "newfid fails!\n");
+		return -ENOSPC;
+	}
 
 	err = v9fs_t_walk(v9ses, vfid->fid, fid, NULL, NULL);
 	if (err < 0) {
-			dprintk(DEBUG_ERROR, "rewalk didn't work\n");
+		dprintk(DEBUG_ERROR, "rewalk didn't work\n");
 		goto put_fid;
 	}
 
-	vfid = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL);
-	if (vfid == NULL) {
-		dprintk(DEBUG_ERROR, "out of memory\n");
-		goto clunk_fid;
-		}
-
-		/* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */
-		/* translate open mode appropriately */
+	/* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */
+	/* translate open mode appropriately */
 	omode = v9fs_uflags2omode(file->f_flags);
 	err = v9fs_t_open(v9ses, fid, omode, &fcall);
 	if (err < 0) {
 		PRINT_FCALL_ERROR("open failed", fcall);
-		goto destroy_vfid;
+		goto clunk_fid;
+	}
+
+	vfid = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL);
+	if (vfid == NULL) {
+		dprintk(DEBUG_ERROR, "out of memory\n");
+		err = -ENOMEM;
+		goto clunk_fid;
 	}
 
 	file->private_data = vfid;
@@ -106,15 +106,12 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 
 	return 0;
 
-destroy_vfid:
-	v9fs_fid_destroy(vfid);
-
 clunk_fid:
 	v9fs_t_clunk(v9ses, fid);
 
 put_fid:
 	v9fs_put_idpool(fid, &v9ses->fidpool);
-		kfree(fcall);
+	kfree(fcall);
 
 	return err;
 }
@@ -269,7 +266,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
 	return total;
 }
 
-struct file_operations v9fs_file_operations = {
+const struct file_operations v9fs_file_operations = {
 	.llseek = generic_file_llseek,
 	.read = v9fs_file_read,
 	.write = v9fs_file_write,
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 3ad8455f857..133db366d30 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -255,8 +254,8 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 }
 
 static int
-v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name,
-	u32 perm, u8 mode, u32 *fidp, struct v9fs_qid *qid, u32 *iounit)
+v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name, u32 perm,
+	u8 mode, char *extension, u32 *fidp, struct v9fs_qid *qid, u32 *iounit)
 {
 	u32 fid;
 	int err;
@@ -271,14 +270,14 @@ v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name,
 	err = v9fs_t_walk(v9ses, pfid, fid, NULL, &fcall);
 	if (err < 0) {
 		PRINT_FCALL_ERROR("clone error", fcall);
-		goto error;
+		goto put_fid;
 	}
 	kfree(fcall);
 
-	err = v9fs_t_create(v9ses, fid, name, perm, mode, &fcall);
+	err = v9fs_t_create(v9ses, fid, name, perm, mode, extension, &fcall);
 	if (err < 0) {
 		PRINT_FCALL_ERROR("create fails", fcall);
-		goto error;
+		goto clunk_fid;
 	}
 
 	if (iounit)
@@ -293,7 +292,11 @@ v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name,
 	kfree(fcall);
 	return 0;
 
-error:
+clunk_fid:
+	v9fs_t_clunk(v9ses, fid);
+	fid = V9FS_NOFID;
+
+put_fid:
 	if (fid >= 0)
 		v9fs_put_idpool(fid, &v9ses->fidpool);
 
@@ -348,7 +351,7 @@ error:
 	return ERR_PTR(err);
 }
 
-struct inode *
+static struct inode *
 v9fs_inode_from_fid(struct v9fs_session_info *v9ses, u32 fid,
 	struct super_block *sb)
 {
@@ -474,7 +477,7 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
 		flags = O_RDWR;
 
 	err = v9fs_create(v9ses, dfid->fid, (char *) dentry->d_name.name,
-		perm, v9fs_uflags2omode(flags), &fid, &qid, &iounit);
+		perm, v9fs_uflags2omode(flags), NULL, &fid, &qid, &iounit);
 
 	if (err)
 		goto error;
@@ -550,7 +553,7 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	perm = unixmode2p9mode(v9ses, mode | S_IFDIR);
 
 	err = v9fs_create(v9ses, dfid->fid, (char *) dentry->d_name.name,
-		perm, V9FS_OREAD, &fid, NULL, NULL);
+		perm, V9FS_OREAD, NULL, &fid, NULL, NULL);
 
 	if (err) {
 		dprintk(DEBUG_ERROR, "create error %d\n", err);
@@ -614,6 +617,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 
 	sb = dir->i_sb;
 	v9ses = v9fs_inode2v9ses(dir);
+	dentry->d_op = &v9fs_dentry_operations;
 	dirfid = v9fs_fid_lookup(dentry->d_parent);
 
 	if (!dirfid) {
@@ -681,8 +685,6 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 		goto FreeFcall;
 
 	fid->qid = fcall->params.rstat.stat.qid;
-
-	dentry->d_op = &v9fs_dentry_operations;
 	v9fs_stat2inode(&fcall->params.rstat.stat, inode, inode->i_sb);
 
 	d_add(dentry, inode);
@@ -1009,11 +1011,13 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
 
 	/* copy extension buffer into buffer */
 	if (fcall->params.rstat.stat.extension.len < buflen)
-		buflen = fcall->params.rstat.stat.extension.len;
+		buflen = fcall->params.rstat.stat.extension.len + 1;
 
-	memcpy(buffer, fcall->params.rstat.stat.extension.str, buflen - 1);
+	memmove(buffer, fcall->params.rstat.stat.extension.str, buflen - 1);
 	buffer[buflen-1] = 0;
 
+	dprintk(DEBUG_ERROR, "%s -> %.*s (%s)\n", dentry->d_name.name, fcall->params.rstat.stat.extension.len,
+		fcall->params.rstat.stat.extension.str, buffer);
 	retval = buflen;
 
       FreeFcall:
@@ -1073,7 +1077,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
 	if (!link)
 		link = ERR_PTR(-ENOMEM);
 	else {
-		len = v9fs_readlink(dentry, link, strlen(link));
+		len = v9fs_readlink(dentry, link, PATH_MAX);
 
 		if (len < 0) {
 			__putname(link);
@@ -1110,10 +1114,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
 	struct v9fs_session_info *v9ses;
 	struct v9fs_fid *dfid, *vfid;
 	struct inode *inode;
-	struct v9fs_fcall *fcall;
-	struct v9fs_wstat wstat;
 
-	fcall = NULL;
 	inode = NULL;
 	vfid = NULL;
 	v9ses = v9fs_inode2v9ses(dir);
@@ -1126,7 +1127,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
 	}
 
 	err = v9fs_create(v9ses, dfid->fid, (char *) dentry->d_name.name,
-		perm, V9FS_OREAD, &fid, NULL, NULL);
+		perm, V9FS_OREAD, (char *) extension, &fid, NULL, NULL);
 
 	if (err)
 		goto error;
@@ -1149,23 +1150,11 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
 		goto error;
 	}
 
-	/* issue a Twstat */
-	v9fs_blank_wstat(&wstat);
-	wstat.muid = v9ses->name;
-	wstat.extension = (char *) extension;
-	err = v9fs_t_wstat(v9ses, vfid->fid, &wstat, &fcall);
-	if (err < 0) {
-		PRINT_FCALL_ERROR("wstat error", fcall);
-		goto error;
-	}
-
-	kfree(fcall);
 	dentry->d_op = &v9fs_dentry_operations;
 	d_instantiate(dentry, inode);
 	return 0;
 
 error:
-	kfree(fcall);
 	if (vfid)
 		v9fs_fid_destroy(vfid);
 
@@ -1225,7 +1214,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
 	}
 
 	name = __getname();
-	sprintf(name, "hardlink(%d)\n", oldfid->fid);
+	sprintf(name, "%d\n", oldfid->fid);
 	retval = v9fs_vfs_mkspecial(dir, dentry, V9FS_DMLINK, name);
 	__putname(name);
 
@@ -1254,6 +1243,8 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
 		return -EINVAL;
 
 	name = __getname();
+	if (!name)
+		return -ENOMEM;
 	/* build extension */
 	if (S_ISBLK(mode))
 		sprintf(name, "b %u %u", MAJOR(rdev), MINOR(rdev));
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index d05318fa684..b0a0ae509c0 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -8,9 +8,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -262,7 +261,7 @@ static struct super_operations v9fs_super_ops = {
 };
 
 struct file_system_type v9fs_fs_type = {
-	.name = "9P",
+	.name = "9p",
 	.get_sb = v9fs_get_sb,
 	.kill_sb = v9fs_kill_super,
 	.owner = THIS_MODULE,