From bd32b82df9876af439f1760a599c0e2da9198bda Mon Sep 17 00:00:00 2001
From: Latchesar Ionkov <lucho@ionkov.net>
Date: Wed, 17 Oct 2007 14:31:07 -0500
Subject: 9p: rename uid and gid parameters

Change the names of 'uid' and 'gid' parameters to the more appropriate
'dfltuid' and 'dfltgid'.  This also sets the default uid/gid to -2
(aka nfsnobody)

Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/v9fs.c      | 16 +++++++++-------
 fs/9p/v9fs.h      |  8 +++++---
 fs/9p/vfs_inode.c |  4 ++--
 3 files changed, 16 insertions(+), 12 deletions(-)

(limited to 'fs/9p')

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 8ac246700b7..68f82be3bf3 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -84,7 +84,7 @@ static struct p9_trans_module *v9fs_match_trans(const substring_t *name)
 
 enum {
 	/* Options that take integer arguments */
-	Opt_debug, Opt_msize, Opt_uid, Opt_gid, Opt_afid,
+	Opt_debug, Opt_msize, Opt_dfltuid, Opt_dfltgid, Opt_afid,
 	/* String options */
 	Opt_uname, Opt_remotename, Opt_trans,
 	/* Options that take no arguments */
@@ -98,8 +98,8 @@ enum {
 static match_table_t tokens = {
 	{Opt_debug, "debug=%x"},
 	{Opt_msize, "msize=%u"},
-	{Opt_uid, "uid=%u"},
-	{Opt_gid, "gid=%u"},
+	{Opt_dfltuid, "dfltuid=%u"},
+	{Opt_dfltgid, "dfltgid=%u"},
 	{Opt_afid, "afid=%u"},
 	{Opt_uname, "uname=%s"},
 	{Opt_remotename, "aname=%s"},
@@ -159,11 +159,11 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses)
 		case Opt_msize:
 			v9ses->maxdata = option;
 			break;
-		case Opt_uid:
-			v9ses->uid = option;
+		case Opt_dfltuid:
+			v9ses->dfltuid = option;
 			break;
-		case Opt_gid:
-			v9ses->gid = option;
+		case Opt_dfltgid:
+			v9ses->dfltgid = option;
 			break;
 		case Opt_afid:
 			v9ses->afid = option;
@@ -219,6 +219,8 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
 
 	strcpy(v9ses->name, V9FS_DEFUSER);
 	strcpy(v9ses->remotename, V9FS_DEFANAME);
+	v9ses->dfltuid = V9FS_DEFUID;
+	v9ses->dfltgid = V9FS_DEFGID;
 
 	v9ses->options = kstrdup(data, GFP_KERNEL);
 	v9fs_parse_options(v9ses);
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 804b3ef8fea..8e0999b3d0c 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -38,8 +38,8 @@ struct v9fs_session_info {
 	char *options;		/* copy of mount options */
 	char *name;		/* user name to mount as */
 	char *remotename;	/* name of remote hierarchy being mounted */
-	unsigned int uid;	/* default uid/muid for legacy support */
-	unsigned int gid;	/* default gid for legacy support */
+	unsigned int dfltuid;	/* default uid/muid for legacy support */
+	unsigned int dfltgid;	/* default gid for legacy support */
 	struct p9_trans_module *trans; /* 9p transport */
 	struct p9_client *clnt;	/* 9p client */
 	struct dentry *debugfs_dir;
@@ -67,9 +67,11 @@ void v9fs_session_cancel(struct v9fs_session_info *v9ses);
 #define V9FS_MAGIC 0x01021997
 
 /* other default globals */
-#define V9FS_PORT		564
+#define V9FS_PORT	564
 #define V9FS_DEFUSER	"nobody"
 #define V9FS_DEFANAME	""
+#define V9FS_DEFUID	(-2)
+#define V9FS_DEFGID	(-2)
 
 static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
 {
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 2270d06ccd5..f08a35d2973 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -805,8 +805,8 @@ v9fs_stat2inode(struct p9_stat *stat, struct inode *inode,
 	inode->i_mtime.tv_sec = stat->mtime;
 	inode->i_ctime.tv_sec = stat->mtime;
 
-	inode->i_uid = v9ses->uid;
-	inode->i_gid = v9ses->gid;
+	inode->i_uid = v9ses->dfltuid;
+	inode->i_gid = v9ses->dfltgid;
 
 	if (v9fs_extended(v9ses)) {
 		inode->i_uid = stat->n_uid;
-- 
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