Contributors: 10
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Hsiang Kao |
240 |
74.30% |
15 |
55.56% |
| Jeffle Xu |
29 |
8.98% |
3 |
11.11% |
| Christian Brauner |
28 |
8.67% |
2 |
7.41% |
| Dave Kleikamp |
7 |
2.17% |
1 |
3.70% |
| Chengguang Xu |
7 |
2.17% |
1 |
3.70% |
| Pratik Shinde |
5 |
1.55% |
1 |
3.70% |
| Miklos Szeredi |
3 |
0.93% |
1 |
3.70% |
| Wedson Almeida Filho |
2 |
0.62% |
1 |
3.70% |
| Jaegeuk Kim |
1 |
0.31% |
1 |
3.70% |
| Stephen Hemminger |
1 |
0.31% |
1 |
3.70% |
| Total |
323 |
|
27 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017-2018 HUAWEI, Inc.
* https://www.huawei.com/
*/
#ifndef __EROFS_XATTR_H
#define __EROFS_XATTR_H
#include "internal.h"
#include <linux/posix_acl_xattr.h>
#include <linux/xattr.h>
/* Attribute not found */
#define ENOATTR ENODATA
#ifdef CONFIG_EROFS_FS_XATTR
extern const struct xattr_handler erofs_xattr_user_handler;
extern const struct xattr_handler erofs_xattr_trusted_handler;
extern const struct xattr_handler erofs_xattr_security_handler;
static inline const char *erofs_xattr_prefix(unsigned int idx,
struct dentry *dentry)
{
const struct xattr_handler *handler = NULL;
static const struct xattr_handler * const xattr_handler_map[] = {
[EROFS_XATTR_INDEX_USER] = &erofs_xattr_user_handler,
#ifdef CONFIG_EROFS_FS_POSIX_ACL
[EROFS_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access,
[EROFS_XATTR_INDEX_POSIX_ACL_DEFAULT] = &nop_posix_acl_default,
#endif
[EROFS_XATTR_INDEX_TRUSTED] = &erofs_xattr_trusted_handler,
#ifdef CONFIG_EROFS_FS_SECURITY
[EROFS_XATTR_INDEX_SECURITY] = &erofs_xattr_security_handler,
#endif
};
if (idx && idx < ARRAY_SIZE(xattr_handler_map))
handler = xattr_handler_map[idx];
if (!xattr_handler_can_list(handler, dentry))
return NULL;
return xattr_prefix(handler);
}
extern const struct xattr_handler * const erofs_xattr_handlers[];
int erofs_xattr_prefixes_init(struct super_block *sb);
void erofs_xattr_prefixes_cleanup(struct super_block *sb);
int erofs_getxattr(struct inode *, int, const char *, void *, size_t);
ssize_t erofs_listxattr(struct dentry *, char *, size_t);
#else
static inline int erofs_xattr_prefixes_init(struct super_block *sb) { return 0; }
static inline void erofs_xattr_prefixes_cleanup(struct super_block *sb) {}
static inline int erofs_getxattr(struct inode *inode, int index,
const char *name, void *buffer,
size_t buffer_size)
{
return -EOPNOTSUPP;
}
#define erofs_listxattr (NULL)
#define erofs_xattr_handlers (NULL)
#endif /* !CONFIG_EROFS_FS_XATTR */
#ifdef CONFIG_EROFS_FS_POSIX_ACL
struct posix_acl *erofs_get_acl(struct inode *inode, int type, bool rcu);
#else
#define erofs_get_acl (NULL)
#endif
#endif