XFS_AGF_MAGIC
agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
.magic = { cpu_to_be32(XFS_AGF_MAGIC), cpu_to_be32(XFS_AGF_MAGIC) },
agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
if (magic32 != XFS_AGF_MAGIC) {
case XFS_AGF_MAGIC: