xfs_fsop_attrlist_handlereq
#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
struct xfs_fsop_attrlist_handlereq __user *p)
struct xfs_fsop_attrlist_handlereq al_hreq;
struct xfs_fsop_attrlist_handlereq __user *p);