EXT4_PBLK_CMASK  2668 fs/ext4/extents.c 				 EXT4_PBLK_CMASK(sbi, last_pblk),
EXT4_PBLK_CMASK  4211 fs/ext4/extents.c 		map->m_pblk = EXT4_PBLK_CMASK(sbi, ee_start) + c_offset;