XFS_SYMLINK_MAGIC
.magic = { 0, cpu_to_be32(XFS_SYMLINK_MAGIC) },
dsl->sl_magic = cpu_to_be32(XFS_SYMLINK_MAGIC);
magic_ok = dsl->sl_magic == cpu_to_be32(XFS_SYMLINK_MAGIC);
if (magic32 != XFS_SYMLINK_MAGIC) {
case XFS_SYMLINK_MAGIC: