EXT2_EXTATTR_ROUND
EXT2_EXTATTR_ROUND) >> EXT2_EXTATTR_PAD_BITS; n; n--) {
(((name_len) + EXT2_EXTATTR_ROUND + \
sizeof(struct ext2fs_extattr_entry)) & ~EXT2_EXTATTR_ROUND)
(((size) + EXT2_EXTATTR_ROUND) & ~EXT2_EXTATTR_ROUND)