XFS_ATTR3_RMT_MAGIC
.magic = { 0, cpu_to_be32(XFS_ATTR3_RMT_MAGIC) },
rmt->rm_magic = cpu_to_be32(XFS_ATTR3_RMT_MAGIC);
if (magic32 != XFS_ATTR3_RMT_MAGIC) {
case XFS_ATTR3_RMT_MAGIC: