135 static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp)  in nfsd_set_fh_dentry()  argument
137 	struct knfsd_fh	*fh = &fhp->fh_handle;  in nfsd_set_fh_dentry()
268 	fhp->fh_dentry = dentry;  in nfsd_set_fh_dentry()
269 	fhp->fh_export = exp;  in nfsd_set_fh_dentry()
304 fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access)  in fh_verify()  argument
310 	dprintk("nfsd: fh_verify(%s)\n", SVCFH_fmt(fhp));  in fh_verify()
312 	if (!fhp->fh_dentry) {  in fh_verify()
313 		error = nfsd_set_fh_dentry(rqstp, fhp);  in fh_verify()
317 	dentry = fhp->fh_dentry;  in fh_verify()
318 	exp = fhp->fh_export;  in fh_verify()
391 static void _fh_update(struct svc_fh *fhp, struct svc_export *exp,  in _fh_update()  argument
396 			(fhp->fh_handle.fh_fsid + fhp->fh_handle.fh_size/4 - 1);  in _fh_update()
397 		int maxsize = (fhp->fh_maxsize - fhp->fh_handle.fh_size)/4;  in _fh_update()
400 		fhp->fh_handle.fh_fileid_type =  in _fh_update()
402 		fhp->fh_handle.fh_size += maxsize * 4;  in _fh_update()
404 		fhp->fh_handle.fh_fileid_type = FILEID_ROOT;  in _fh_update()
457 static void set_version_and_fsid_type(struct svc_fh *fhp, struct svc_export *exp, struct svc_fh *re…  in set_version_and_fsid_type()  argument
490 		if (fhp->fh_maxsize >= 64) {  in set_version_and_fsid_type()
506 	fhp->fh_handle.fh_version = version;  in set_version_and_fsid_type()
508 		fhp->fh_handle.fh_fsid_type = fsid_type;  in set_version_and_fsid_type()
512 fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry,  in fh_compose()  argument
536 	 set_version_and_fsid_type(fhp, exp, ref_fh);  in fh_compose()
538 	if (ref_fh == fhp)  in fh_compose()
541 	if (fhp->fh_locked || fhp->fh_dentry) {  in fh_compose()
545 	if (fhp->fh_maxsize < NFS_FHSIZE)  in fh_compose()
547 		       fhp->fh_maxsize,  in fh_compose()
550 	fhp->fh_dentry = dget(dentry); /* our internal copy */  in fh_compose()
551 	fhp->fh_export = exp_get(exp);  in fh_compose()
553 	if (fhp->fh_handle.fh_version == 0xca) {  in fh_compose()
555 		memset(&fhp->fh_handle.fh_base, 0, NFS_FHSIZE);  in fh_compose()
556 		fhp->fh_handle.fh_size = NFS_FHSIZE;  in fh_compose()
557 		fhp->fh_handle.ofh_dcookie = 0xfeebbaca;  in fh_compose()
558 		fhp->fh_handle.ofh_dev =  old_encode_dev(ex_dev);  in fh_compose()
559 		fhp->fh_handle.ofh_xdev = fhp->fh_handle.ofh_dev;  in fh_compose()
560 		fhp->fh_handle.ofh_xino =  in fh_compose()
562 		fhp->fh_handle.ofh_dirino = ino_t_to_u32(parent_ino(dentry));  in fh_compose()
564 			_fh_update_old(dentry, exp, &fhp->fh_handle);  in fh_compose()
566 		fhp->fh_handle.fh_size =  in fh_compose()
567 			key_len(fhp->fh_handle.fh_fsid_type) + 4;  in fh_compose()
568 		fhp->fh_handle.fh_auth_type = 0;  in fh_compose()
570 		mk_fsid(fhp->fh_handle.fh_fsid_type,  in fh_compose()
571 			fhp->fh_handle.fh_fsid,  in fh_compose()
577 			_fh_update(fhp, exp, dentry);  in fh_compose()
578 		if (fhp->fh_handle.fh_fileid_type == FILEID_INVALID) {  in fh_compose()
579 			fh_put(fhp);  in fh_compose()
592 fh_update(struct svc_fh *fhp)  in fh_update()  argument
596 	if (!fhp->fh_dentry)  in fh_update()
599 	dentry = fhp->fh_dentry;  in fh_update()
602 	if (fhp->fh_handle.fh_version != 1) {  in fh_update()
603 		_fh_update_old(dentry, fhp->fh_export, &fhp->fh_handle);  in fh_update()
605 		if (fhp->fh_handle.fh_fileid_type != FILEID_ROOT)  in fh_update()
608 		_fh_update(fhp, fhp->fh_export, dentry);  in fh_update()
609 		if (fhp->fh_handle.fh_fileid_type == FILEID_INVALID)  in fh_update()
626 fh_put(struct svc_fh *fhp)  in fh_put()  argument
628 	struct dentry * dentry = fhp->fh_dentry;  in fh_put()
629 	struct svc_export * exp = fhp->fh_export;  in fh_put()
631 		fh_unlock(fhp);  in fh_put()
632 		fhp->fh_dentry = NULL;  in fh_put()
634 		fh_clear_wcc(fhp);  in fh_put()
636 	fh_drop_write(fhp);  in fh_put()
639 		fhp->fh_export = NULL;  in fh_put()
647 char * SVCFH_fmt(struct svc_fh *fhp)  in SVCFH_fmt()  argument
649 	struct knfsd_fh *fh = &fhp->fh_handle;  in SVCFH_fmt()
663 enum fsid_source fsid_source(struct svc_fh *fhp)  in fsid_source()  argument
665 	if (fhp->fh_handle.fh_version != 1)  in fsid_source()
667 	switch(fhp->fh_handle.fh_fsid_type) {  in fsid_source()
671 		if (exp_sb(fhp->fh_export)->s_type->fs_flags & FS_REQUIRES_DEV)  in fsid_source()
675 		if (fhp->fh_export->ex_flags & NFSEXP_FSID)  in fsid_source()
684 	if (fhp->fh_export->ex_flags & NFSEXP_FSID)  in fsid_source()
686 	if (fhp->fh_export->ex_uuid)  in fsid_source()