mirror of
https://git.openwrt.org/project/make_ext4fs.git
synced 2024-11-23 07:30:40 -05:00
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <sys/types.h>
|
|
|
|
#ifndef _SYSTEM_EXTRAS_EXT4_UTILS_XATTR_H
|
|
#define _SYSTEM_EXTRAS_EXT4_UTILS_XATTR_H 1
|
|
|
|
#define EXT4_XATTR_MAGIC 0xEA020000
|
|
#define EXT4_XATTR_INDEX_SECURITY 6
|
|
|
|
struct ext4_xattr_header {
|
|
__le32 h_magic;
|
|
__le32 h_refcount;
|
|
__le32 h_blocks;
|
|
__le32 h_hash;
|
|
__le32 h_checksum;
|
|
__u32 h_reserved[3];
|
|
};
|
|
|
|
struct ext4_xattr_ibody_header {
|
|
__le32 h_magic;
|
|
};
|
|
|
|
struct ext4_xattr_entry {
|
|
__u8 e_name_len;
|
|
__u8 e_name_index;
|
|
__le16 e_value_offs;
|
|
__le32 e_value_block;
|
|
__le32 e_value_size;
|
|
__le32 e_hash;
|
|
char e_name[0];
|
|
};
|
|
|
|
#define EXT4_XATTR_PAD_BITS 2
|
|
#define EXT4_XATTR_PAD (1<<EXT4_XATTR_PAD_BITS)
|
|
#define EXT4_XATTR_ROUND (EXT4_XATTR_PAD-1)
|
|
#define EXT4_XATTR_LEN(name_len) \
|
|
(((name_len) + EXT4_XATTR_ROUND + \
|
|
sizeof(struct ext4_xattr_entry)) & ~EXT4_XATTR_ROUND)
|
|
#define EXT4_XATTR_NEXT(entry) \
|
|
((struct ext4_xattr_entry *)( \
|
|
(char *)(entry) + EXT4_XATTR_LEN((entry)->e_name_len)))
|
|
#define EXT4_XATTR_SIZE(size) \
|
|
(((size) + EXT4_XATTR_ROUND) & ~EXT4_XATTR_ROUND)
|
|
#define IS_LAST_ENTRY(entry) (*(uint32_t *)(entry) == 0)
|
|
|
|
#endif /* !_SYSTEM_EXTRAS_EXT4_UTILS_XATTR_H */
|