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9p: Modify struct 9p_fid to use a kuid_t not a uid_t

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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>
This commit is contained in:
Eric W. Biederman 2013-01-30 11:48:53 -08:00
parent 447c50943f
commit b464255699
3 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
fs/9p/fid.c
View File

@ -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 v9fs_dentry *dent;
struct p9_fid *fid, *ret; struct p9_fid *fid, *ret;
p9_debug(P9_DEBUG_VFS, " dentry: %s (%p) uid %d any %d\n", 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; dent = (struct v9fs_dentry *) dentry->d_fsdata;
ret = NULL; ret = NULL;
if (dent) { if (dent) {
spin_lock(&dent->lock); spin_lock(&dent->lock);
list_for_each_entry(fid, &dent->fidlist, dlist) { list_for_each_entry(fid, &dent->fidlist, dlist) {
if (any || fid->uid == uid) { if (any || uid_eq(fid->uid, uid)) {
ret = fid; ret = fid;
break; break;
} }
@ -126,7 +127,7 @@ static int build_path_from_dentry(struct v9fs_session_info *v9ses,
} }
static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry, 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; struct dentry *ds;
char **wnames, *uname; char **wnames, *uname;
@ -233,7 +234,7 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
{ {
uid_t uid; kuid_t uid;
int any, access; int any, access;
struct v9fs_session_info *v9ses; struct v9fs_session_info *v9ses;
@ -253,7 +254,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
break; break;
default: default:
uid = ~0; uid = INVALID_UID;
any = 0; any = 0;
break; break;
} }
@ -272,7 +273,7 @@ struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
return ret; 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; struct p9_fid *fid, *ret;
@ -289,7 +290,7 @@ struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
int err; int err;
struct p9_fid *fid; 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)) if (IS_ERR(fid))
goto error_out; goto error_out;
/* /*

2
fs/9p/v9fs.c
View File

@ -387,7 +387,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_SINGLE) if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_SINGLE)
fid->uid = v9ses->uid; fid->uid = v9ses->uid;
else else
fid->uid = ~0; fid->uid = INVALID_UID;
#ifdef CONFIG_9P_FSCACHE #ifdef CONFIG_9P_FSCACHE
/* register the session for caching */ /* register the session for caching */

2
include/net/9p/client.h
View File

@ -187,7 +187,7 @@ struct p9_fid {
int mode; int mode;
struct p9_qid qid; struct p9_qid qid;
u32 iounit; u32 iounit;
uid_t uid; kuid_t uid;
void *rdir; void *rdir;