1 FIEMAP_EXTENT_LAST 0x00000001
2 FIEMAP_EXTENT_UNKNOWN 0x00000002
3 FIEMAP_EXTENT_DELALLOC 0x00000004
4 FIEMAP_EXTENT_ENCODED 0x00000008
5 FIEMAP_EXTENT_DATA_ENCRYPTED 0x00000080
6 FIEMAP_EXTENT_NOT_ALIGNED 0x00000100
7 FIEMAP_EXTENT_DATA_INLINE 0x00000200
8 FIEMAP_EXTENT_DATA_TAIL 0x00000400
9 FIEMAP_EXTENT_UNWRITTEN 0x00000800
10 FIEMAP_EXTENT_MERGED 0x00001000
11 FIEMAP_EXTENT_SHARED 0x00002000