xattr.h revision b4eca4b24af9c80ebb2a7fa2ba539a48096b7576
1493dad966305a7fb555addd367532dd2af275a27San Mehat#include <sys/types.h> 2493dad966305a7fb555addd367532dd2af275a27San Mehat 3493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_MAGIC 0xEA020000 4493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_INDEX_SECURITY 6 5493dad966305a7fb555addd367532dd2af275a27San Mehat 6493dad966305a7fb555addd367532dd2af275a27San Mehatstruct ext4_xattr_entry { 7493dad966305a7fb555addd367532dd2af275a27San Mehat __u8 e_name_len; 8493dad966305a7fb555addd367532dd2af275a27San Mehat __u8 e_name_index; 9493dad966305a7fb555addd367532dd2af275a27San Mehat __le16 e_value_offs; 10493dad966305a7fb555addd367532dd2af275a27San Mehat __le32 e_value_block; 11493dad966305a7fb555addd367532dd2af275a27San Mehat __le32 e_value_size; 12493dad966305a7fb555addd367532dd2af275a27San Mehat __le32 e_hash; 13493dad966305a7fb555addd367532dd2af275a27San Mehat char e_name[0]; 14493dad966305a7fb555addd367532dd2af275a27San Mehat}; 15493dad966305a7fb555addd367532dd2af275a27San Mehat 16493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_PAD_BITS 2 17493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_PAD (1<<EXT4_XATTR_PAD_BITS) 18493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_ROUND (EXT4_XATTR_PAD-1) 19493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_LEN(name_len) \ 20493dad966305a7fb555addd367532dd2af275a27San Mehat (((name_len) + EXT4_XATTR_ROUND + \ 21493dad966305a7fb555addd367532dd2af275a27San Mehat sizeof(struct ext4_xattr_entry)) & ~EXT4_XATTR_ROUND) 22493dad966305a7fb555addd367532dd2af275a27San Mehat#define EXT4_XATTR_SIZE(size) \ 23493dad966305a7fb555addd367532dd2af275a27San Mehat (((size) + EXT4_XATTR_ROUND) & ~EXT4_XATTR_ROUND) 24493dad966305a7fb555addd367532dd2af275a27San Mehat