[PATCH review 10/85] 9p: Modify struct 9p_fid to use a kuid_t not a uid_t

[Eric W. Biederman]

From: "Eric W. Biederman" <ebied...@xmission.com>

Change struct 9p_fid and it's associated functions to
use kuid_t's instead of uid_t.

Cc: Eric Van Hensbergen <eri...@gmail.com>
Cc: Ron Minnich <rminn...@gmail.com>
Cc: Latchesar Ionkov <lu...@ionkov.net>
Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
---
 fs/9p/fid.c             |   17 +++++++++--------
 fs/9p/v9fs.c            |    2 +-
 include/net/9p/client.h |    2 +-
 3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index da8eefb..afd4724 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -74,19 +74,20 @@ int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
  *
  */
 
-static struct p9_fid *v9fs_fid_find(struct dentry *dentry, u32 uid, int any)
+static struct p9_fid *v9fs_fid_find(struct dentry *dentry, kuid_t uid, int any)
 {
        struct v9fs_dentry *dent;
        struct p9_fid *fid, *ret;
 
        p9_debug(P9_DEBUG_VFS, " dentry: %s (%p) uid %d any %d\n",
-                dentry->d_name.name, dentry, uid, any);
+                dentry->d_name.name, dentry, from_kuid(&init_user_ns, uid),
+                any);
        dent = (struct v9fs_dentry *) dentry->d_fsdata;
        ret = NULL;
        if (dent) {
                spin_lock(&dent->lock);
                list_for_each_entry(fid, &dent->fidlist, dlist) {
-                       if (any || fid->uid == uid) {
+                       if (any || uid_eq(fid->uid, uid)) {
                                ret = fid;
                                break;
                        }
@@ -126,7 +127,7 @@ err_out:
 }
 
 static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
-                                              uid_t uid, int any)
+                                              kuid_t uid, int any)
 {
        struct dentry *ds;
        char **wnames, *uname;
@@ -233,7 +234,7 @@ err_out:
 
 struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
 {
-       uid_t uid;
+       kuid_t uid;
        int  any, access;
        struct v9fs_session_info *v9ses;
 
@@ -253,7 +254,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
                break;
 
        default:
-               uid = ~0;
+               uid = INVALID_UID;
                any = 0;
                break;
        }
@@ -272,7 +273,7 @@ struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
        return ret;
 }
 
-static struct p9_fid *v9fs_fid_clone_with_uid(struct dentry *dentry, uid_t uid)
+static struct p9_fid *v9fs_fid_clone_with_uid(struct dentry *dentry, kuid_t 
uid)
 {
        struct p9_fid *fid, *ret;
 
@@ -289,7 +290,7 @@ struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
        int err;
        struct p9_fid *fid;
 
-       fid = v9fs_fid_clone_with_uid(dentry, 0);
+       fid = v9fs_fid_clone_with_uid(dentry, GLOBAL_ROOT_UID);
        if (IS_ERR(fid))
                goto error_out;
        /*
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 4e0bd9d..d64967c 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -387,7 +387,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info 
*v9ses,
        if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_SINGLE)
                fid->uid = v9ses->uid;
        else
-               fid->uid = ~0;
+               fid->uid = INVALID_UID;
 
 #ifdef CONFIG_9P_FSCACHE
        /* register the session for caching */
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 6b031ab..5ff70f4 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -187,7 +187,7 @@ struct p9_fid {
        int mode;
        struct p9_qid qid;
        u32 iounit;
-       uid_t uid;
+       kuid_t uid;
 
        void *rdir;
 
-- 
1.7.5.4

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