exportfs_can_decode_fh
if (!exportfs_can_decode_fh(nop))
if (mark_type != FAN_MARK_INODE && !exportfs_can_decode_fh(nop))
if (!exportfs_can_decode_fh(sb->s_export_op))
return exportfs_can_decode_fh(nop) && !nop->open && !nop->permission;
return exportfs_can_decode_fh(nop);