3 files changed, 19 insertions, 18 deletions

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index d934f04e7736..4e0bd9d62ed6 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -375,7 +375,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
                 v9ses->flags &= ~V9FS_ACL_MASK;
         }
 
-        fid = p9_client_attach(v9ses->clnt, NULL, v9ses->uname, ~0,
+        fid = p9_client_attach(v9ses->clnt, NULL, v9ses->uname, INVALID_UID,
                                                         v9ses->aname);
         if (IS_ERR(fid)) {
                 retval = PTR_ERR(fid);
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index fc9b90b0c052..6b031ab6e4db 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -220,17 +220,17 @@ void p9_client_destroy(struct p9_client *clnt);
 void p9_client_disconnect(struct p9_client *clnt);
 void p9_client_begin_disconnect(struct p9_client *clnt);
 struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
-                                        char *uname, u32 n_uname, char *aname);
+                                char *uname, kuid_t n_uname, char *aname);
 struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname,
                 char **wnames, int clone);
 int p9_client_open(struct p9_fid *fid, int mode);
 int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
                                                         char *extension);
 int p9_client_link(struct p9_fid *fid, struct p9_fid *oldfid, char *newname);
-int p9_client_symlink(struct p9_fid *fid, char *name, char *symname, gid_t gid,
+int p9_client_symlink(struct p9_fid *fid, char *name, char *symname, kgid_t gid,
                                                         struct p9_qid *qid);
 int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
-                gid_t gid, struct p9_qid *qid);
+                kgid_t gid, struct p9_qid *qid);
 int p9_client_clunk(struct p9_fid *fid);
 int p9_client_fsync(struct p9_fid *fid, int datasync);
 int p9_client_remove(struct p9_fid *fid);
@@ -250,9 +250,9 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
                                                         u64 request_mask);
 
 int p9_client_mknod_dotl(struct p9_fid *oldfid, char *name, int mode,
-                        dev_t rdev, gid_t gid, struct p9_qid *);
+                        dev_t rdev, kgid_t gid, struct p9_qid *);
 int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
-                                gid_t gid, struct p9_qid *);
+                                kgid_t gid, struct p9_qid *);
 int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status);
 int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *fl);
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
diff --git a/net/9p/client.c b/net/9p/client.c
index 34d417670935..17855f080acd 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1100,7 +1100,7 @@ void p9_client_begin_disconnect(struct p9_client *clnt)
 EXPORT_SYMBOL(p9_client_begin_disconnect);
 
 struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
-        char *uname, u32 n_uname, char *aname)
+        char *uname, kuid_t n_uname, char *aname)
 {
         int err = 0;
         struct p9_req_t *req;
@@ -1117,7 +1117,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
                 goto error;
         }
 
-        req = p9_client_rpc(clnt, P9_TATTACH, "ddss?d", fid->fid,
+        req = p9_client_rpc(clnt, P9_TATTACH, "ddss?u", fid->fid,
                         afid ? afid->fid : P9_NOFID, uname, aname, n_uname);
         if (IS_ERR(req)) {
                 err = PTR_ERR(req);
@@ -1270,7 +1270,7 @@ error:
 EXPORT_SYMBOL(p9_client_open);
 
 int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
-                gid_t gid, struct p9_qid *qid)
+                kgid_t gid, struct p9_qid *qid)
 {
         int err = 0;
         struct p9_client *clnt;
@@ -1279,13 +1279,14 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
 
         p9_debug(P9_DEBUG_9P,
                         ">>> TLCREATE fid %d name %s flags %d mode %d gid %d\n",
-                        ofid->fid, name, flags, mode, gid);
+                        ofid->fid, name, flags, mode,
+                        from_kgid(&init_user_ns, gid));
         clnt = ofid->clnt;
 
         if (ofid->mode != -1)
                 return -EINVAL;
 
-        req = p9_client_rpc(clnt, P9_TLCREATE, "dsddd", ofid->fid, name, flags,
+        req = p9_client_rpc(clnt, P9_TLCREATE, "dsddg", ofid->fid, name, flags,
                         mode, gid);
         if (IS_ERR(req)) {
                 err = PTR_ERR(req);
@@ -1358,7 +1359,7 @@ error:
 }
 EXPORT_SYMBOL(p9_client_fcreate);
 
-int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid,
+int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, kgid_t gid,
                 struct p9_qid *qid)
 {
         int err = 0;
@@ -1369,7 +1370,7 @@ int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid,
                         dfid->fid, name, symtgt);
         clnt = dfid->clnt;
 
-        req = p9_client_rpc(clnt, P9_TSYMLINK, "dssd", dfid->fid, name, symtgt,
+        req = p9_client_rpc(clnt, P9_TSYMLINK, "dssg", dfid->fid, name, symtgt,
                         gid);
         if (IS_ERR(req)) {
                 err = PTR_ERR(req);
@@ -2106,7 +2107,7 @@ error:
 EXPORT_SYMBOL(p9_client_readdir);
 
 int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
-                        dev_t rdev, gid_t gid, struct p9_qid *qid)
+                        dev_t rdev, kgid_t gid, struct p9_qid *qid)
 {
         int err;
         struct p9_client *clnt;
@@ -2116,7 +2117,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
         clnt = fid->clnt;
         p9_debug(P9_DEBUG_9P, ">>> TMKNOD fid %d name %s mode %d major %d "
                 "minor %d\n", fid->fid, name, mode, MAJOR(rdev), MINOR(rdev));
-        req = p9_client_rpc(clnt, P9_TMKNOD, "dsdddd", fid->fid, name, mode,
+        req = p9_client_rpc(clnt, P9_TMKNOD, "dsdddg", fid->fid, name, mode,
                 MAJOR(rdev), MINOR(rdev), gid);
         if (IS_ERR(req))
                 return PTR_ERR(req);
@@ -2137,7 +2138,7 @@ error:
 EXPORT_SYMBOL(p9_client_mknod_dotl);
 
 int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
-                                gid_t gid, struct p9_qid *qid)
+                                kgid_t gid, struct p9_qid *qid)
 {
         int err;
         struct p9_client *clnt;
@@ -2146,8 +2147,8 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
         err = 0;
         clnt = fid->clnt;
         p9_debug(P9_DEBUG_9P, ">>> TMKDIR fid %d name %s mode %d gid %d\n",
-                 fid->fid, name, mode, gid);
-        req = p9_client_rpc(clnt, P9_TMKDIR, "dsdd", fid->fid, name, mode,
+                 fid->fid, name, mode, from_kgid(&init_user_ns, gid));
+        req = p9_client_rpc(clnt, P9_TMKDIR, "dsdg", fid->fid, name, mode,
                 gid);
         if (IS_ERR(req))
                 return PTR_ERR(req);