mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 13:05:03 +08:00
59ed2bb274
When commit 4e34e719e4 ("fs: take the ACL checks to common code")
changed the xyz_check_acl() functions into the more natural
xyz_get_acl() interface, we grew two copies of the
#define ext2_get_acl NULL
define for the non-acl case.
Remove the extra one.
Reported-by: Marco Stornelli <marco.stornelli@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/*
|
|
File: fs/ext2/acl.h
|
|
|
|
(C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org>
|
|
*/
|
|
|
|
#include <linux/posix_acl_xattr.h>
|
|
|
|
#define EXT2_ACL_VERSION 0x0001
|
|
|
|
typedef struct {
|
|
__le16 e_tag;
|
|
__le16 e_perm;
|
|
__le32 e_id;
|
|
} ext2_acl_entry;
|
|
|
|
typedef struct {
|
|
__le16 e_tag;
|
|
__le16 e_perm;
|
|
} ext2_acl_entry_short;
|
|
|
|
typedef struct {
|
|
__le32 a_version;
|
|
} ext2_acl_header;
|
|
|
|
static inline size_t ext2_acl_size(int count)
|
|
{
|
|
if (count <= 4) {
|
|
return sizeof(ext2_acl_header) +
|
|
count * sizeof(ext2_acl_entry_short);
|
|
} else {
|
|
return sizeof(ext2_acl_header) +
|
|
4 * sizeof(ext2_acl_entry_short) +
|
|
(count - 4) * sizeof(ext2_acl_entry);
|
|
}
|
|
}
|
|
|
|
static inline int ext2_acl_count(size_t size)
|
|
{
|
|
ssize_t s;
|
|
size -= sizeof(ext2_acl_header);
|
|
s = size - 4 * sizeof(ext2_acl_entry_short);
|
|
if (s < 0) {
|
|
if (size % sizeof(ext2_acl_entry_short))
|
|
return -1;
|
|
return size / sizeof(ext2_acl_entry_short);
|
|
} else {
|
|
if (s % sizeof(ext2_acl_entry))
|
|
return -1;
|
|
return s / sizeof(ext2_acl_entry) + 4;
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_EXT2_FS_POSIX_ACL
|
|
|
|
/* acl.c */
|
|
extern struct posix_acl *ext2_get_acl(struct inode *inode, int type);
|
|
extern int ext2_acl_chmod (struct inode *);
|
|
extern int ext2_init_acl (struct inode *, struct inode *);
|
|
|
|
#else
|
|
#include <linux/sched.h>
|
|
#define ext2_get_acl NULL
|
|
#define ext2_set_acl NULL
|
|
|
|
static inline int
|
|
ext2_acl_chmod (struct inode *inode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int ext2_init_acl (struct inode *inode, struct inode *dir)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|