xfs_extent_64
struct xfs_extent_64 efi_extents[]; /* array of extents to free */
nr * sizeof(struct xfs_extent_64);
struct xfs_extent_64 efd_extents[]; /* array of extents freed */
nr * sizeof(struct xfs_extent_64);
XFS_CHECK_STRUCT_SIZE(struct xfs_extent_64, 16);