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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>
This commit is contained in:
Latchesar Ionkov 2007-10-17 14:31:07 -05:00 committed by Eric Van Hensbergen
parent 2405669b25
commit bd32b82df9
4 changed files with 18 additions and 14 deletions
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4
Documentation/filesystems/9p.txt
View File

@ -78,9 +78,9 @@ OPTIONS
noextend force legacy mode (no 9p2000.u semantics)
uid attempt to mount as a particular uid
dfltuid attempt to mount as a particular uid
gid attempt to mount with a particular gid
dfltgid attempt to mount with a particular gid
afid security channel - used by Plan 9 authentication protocols

16
fs/9p/v9fs.c
View File

@ -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);

8
fs/9p/v9fs.h
View File

@ -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)
{

4
fs/9p/vfs_inode.c
View File

@ -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;