| Stephen Smalley | b4eca4b | 2012-01-13 09:00:56 -0500 | [diff] [blame^] | 1 | #include <sys/types.h> |
| 2 | |
| 3 | #define EXT4_XATTR_MAGIC 0xEA020000 |
| 4 | #define EXT4_XATTR_INDEX_SECURITY 6 |
| 5 | |
| 6 | struct ext4_xattr_entry { |
| 7 | __u8 e_name_len; |
| 8 | __u8 e_name_index; |
| 9 | __le16 e_value_offs; |
| 10 | __le32 e_value_block; |
| 11 | __le32 e_value_size; |
| 12 | __le32 e_hash; |
| 13 | char e_name[0]; |
| 14 | }; |
| 15 | |
| 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) |