3 #define EXT4_XATTR_MAGIC 0xEA020000
4 #define EXT4_XATTR_INDEX_SECURITY 6
6 struct ext4_xattr_entry {
16 #define EXT4_XATTR_PAD_BITS 2
17 #define EXT4_XATTR_PAD (1<<EXT4_XATTR_PAD_BITS)
18 #define EXT4_XATTR_ROUND (EXT4_XATTR_PAD-1)
19 #define EXT4_XATTR_LEN(name_len) \
20 (((name_len) + EXT4_XATTR_ROUND + \
21 sizeof(struct ext4_xattr_entry)) & ~EXT4_XATTR_ROUND)
22 #define EXT4_XATTR_SIZE(size) \
23 (((size) + EXT4_XATTR_ROUND) & ~EXT4_XATTR_ROUND)