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Subject[PATCH review 10/85] 9p: Modify struct 9p_fid to use a kuid_t not a uid_t
From: "Eric W. Biederman" <ebiederm@xmission.com>

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

Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@gmail.com>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: "Eric W. Biederman" <ebiederm@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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