fhfn 147 mm/cleancache.c int (*fhfn)(struct inode *, __u32 *fh, int *, struct inode *); fhfn 153 mm/cleancache.c fhfn = sb->s_export_op->encode_fh; fhfn 154 mm/cleancache.c if (fhfn) { fhfn 155 mm/cleancache.c len = (*fhfn)(inode, &key->u.fh[0], &maxlen, NULL);