Contributors: 23
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Theodore Y. Ts'o |
205 |
24.76% |
2 |
3.03% |
| Christian Brauner |
186 |
22.46% |
13 |
19.70% |
| Christoph Hellwig |
126 |
15.22% |
7 |
10.61% |
| Al Viro |
78 |
9.42% |
10 |
15.15% |
| Linus Torvalds (pre-git) |
39 |
4.71% |
7 |
10.61% |
| Andreas Gruenbacher |
37 |
4.47% |
4 |
6.06% |
| Gustavo A. R. Silva |
30 |
3.62% |
2 |
3.03% |
| Dave Kleikamp |
28 |
3.38% |
2 |
3.03% |
| Steven Whitehouse |
21 |
2.54% |
2 |
3.03% |
| Eric W. Biedermann |
14 |
1.69% |
2 |
3.03% |
| Jan Kara |
11 |
1.33% |
1 |
1.52% |
| Thorsten Blum |
8 |
0.97% |
1 |
1.52% |
| Andrew Morton |
7 |
0.85% |
3 |
4.55% |
| Chuck Lever |
6 |
0.72% |
1 |
1.52% |
| David Howells |
6 |
0.72% |
1 |
1.52% |
| Aneesh Kumar K.V |
5 |
0.60% |
1 |
1.52% |
| Elena Reshetova |
5 |
0.60% |
1 |
1.52% |
| Markus Trippelsdorf |
5 |
0.60% |
1 |
1.52% |
| David Teigland |
4 |
0.48% |
1 |
1.52% |
| Paul Gortmaker |
3 |
0.36% |
1 |
1.52% |
| Aristeu Sergio Rozanski Filho |
2 |
0.24% |
1 |
1.52% |
| Greg Kroah-Hartman |
1 |
0.12% |
1 |
1.52% |
| Stephen D. Smalley |
1 |
0.12% |
1 |
1.52% |
| Total |
828 |
|
66 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
File: linux/posix_acl.h
(C) 2002 Andreas Gruenbacher, <a.gruenbacher@computer.org>
*/
#ifndef __LINUX_POSIX_ACL_H
#define __LINUX_POSIX_ACL_H
#include <linux/bug.h>
#include <linux/slab.h>
#include <linux/rcupdate.h>
#include <linux/refcount.h>
#include <uapi/linux/posix_acl.h>
struct user_namespace;
struct posix_acl_entry {
short e_tag;
unsigned short e_perm;
union {
kuid_t e_uid;
kgid_t e_gid;
};
};
struct posix_acl {
/* New members MUST be added within the struct_group() macro below. */
struct_group_tagged(posix_acl_hdr, hdr,
refcount_t a_refcount;
unsigned int a_count;
struct rcu_head a_rcu;
);
struct posix_acl_entry a_entries[] __counted_by(a_count);
};
static_assert(offsetof(struct posix_acl, a_entries) == sizeof(struct posix_acl_hdr),
"struct member likely outside of struct_group_tagged()");
#define FOREACH_ACL_ENTRY(pa, acl, pe) \
for(pa=(acl)->a_entries, pe=pa+(acl)->a_count; pa<pe; pa++)
/*
* Duplicate an ACL handle.
*/
static inline struct posix_acl *
posix_acl_dup(struct posix_acl *acl)
{
if (acl)
refcount_inc(&acl->a_refcount);
return acl;
}
/*
* Free an ACL handle.
*/
static inline void
posix_acl_release(struct posix_acl *acl)
{
if (acl && refcount_dec_and_test(&acl->a_refcount))
kfree_rcu(acl, a_rcu);
}
/* posix_acl.c */
extern void posix_acl_init(struct posix_acl *, int);
extern struct posix_acl *posix_acl_alloc(unsigned int count, gfp_t flags);
extern struct posix_acl *posix_acl_from_mode(umode_t, gfp_t);
extern int posix_acl_equiv_mode(const struct posix_acl *, umode_t *);
extern int __posix_acl_create(struct posix_acl **, gfp_t, umode_t *);
extern int __posix_acl_chmod(struct posix_acl **, gfp_t, umode_t);
extern struct posix_acl *get_posix_acl(struct inode *, int);
int set_posix_acl(struct mnt_idmap *, struct dentry *, int,
struct posix_acl *);
struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type);
struct posix_acl *posix_acl_clone(const struct posix_acl *acl, gfp_t flags);
#ifdef CONFIG_FS_POSIX_ACL
int posix_acl_chmod(struct mnt_idmap *, struct dentry *, umode_t);
extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **,
struct posix_acl **);
int posix_acl_update_mode(struct mnt_idmap *, struct inode *, umode_t *,
struct posix_acl **);
int simple_set_acl(struct mnt_idmap *, struct dentry *,
struct posix_acl *, int);
extern int simple_acl_create(struct inode *, struct inode *);
struct posix_acl *get_cached_acl(struct inode *inode, int type);
void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl);
void forget_cached_acl(struct inode *inode, int type);
void forget_all_cached_acls(struct inode *inode);
int posix_acl_valid(struct user_namespace *, const struct posix_acl *);
int posix_acl_permission(struct mnt_idmap *, struct inode *,
const struct posix_acl *, int);
static inline void cache_no_acl(struct inode *inode)
{
inode->i_acl = NULL;
inode->i_default_acl = NULL;
}
int vfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
const char *acl_name, struct posix_acl *kacl);
struct posix_acl *vfs_get_acl(struct mnt_idmap *idmap,
struct dentry *dentry, const char *acl_name);
int vfs_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry,
const char *acl_name);
int posix_acl_listxattr(struct inode *inode, char **buffer,
ssize_t *remaining_size);
#else
static inline int posix_acl_chmod(struct mnt_idmap *idmap,
struct dentry *dentry, umode_t mode)
{
return 0;
}
#define simple_set_acl NULL
static inline int simple_acl_create(struct inode *dir, struct inode *inode)
{
return 0;
}
static inline void cache_no_acl(struct inode *inode)
{
}
static inline int posix_acl_create(struct inode *inode, umode_t *mode,
struct posix_acl **default_acl, struct posix_acl **acl)
{
*default_acl = *acl = NULL;
return 0;
}
static inline void forget_all_cached_acls(struct inode *inode)
{
}
static inline int vfs_set_acl(struct mnt_idmap *idmap,
struct dentry *dentry, const char *name,
struct posix_acl *acl)
{
return -EOPNOTSUPP;
}
static inline struct posix_acl *vfs_get_acl(struct mnt_idmap *idmap,
struct dentry *dentry,
const char *acl_name)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline int vfs_remove_acl(struct mnt_idmap *idmap,
struct dentry *dentry, const char *acl_name)
{
return -EOPNOTSUPP;
}
static inline int posix_acl_listxattr(struct inode *inode, char **buffer,
ssize_t *remaining_size)
{
return 0;
}
#endif /* CONFIG_FS_POSIX_ACL */
struct posix_acl *get_inode_acl(struct inode *inode, int type);
#endif /* __LINUX_POSIX_ACL_H */