94 check_attr_support(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in check_attr_support()  argument
97 	struct dentry *dentry = cstate->current_fh.fh_dentry;  in check_attr_support()
103 	if ((bmval[0] & ~nfsd_suppattrs0(cstate->minorversion)) ||  in check_attr_support()
104 	    (bmval[1] & ~nfsd_suppattrs1(cstate->minorversion)) ||  in check_attr_support()
105 	    (bmval[2] & ~nfsd_suppattrs2(cstate->minorversion)))  in check_attr_support()
131 	struct nfsd4_compound_state *cstate, struct nfsd4_open *open)  in nfsd4_check_open_attributes()  argument
138 			status = check_attr_support(rqstp, cstate,  in nfsd4_check_open_attributes()
141 			status = check_attr_support(rqstp, cstate,  in nfsd4_check_open_attributes()
228 static void nfsd4_set_open_owner_reply_cache(struct nfsd4_compound_state *cstate, struct nfsd4_open…  in nfsd4_set_open_owner_reply_cache()  argument
230 	if (nfsd4_has_session(cstate))  in nfsd4_set_open_owner_reply_cache()
237 do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_open *open…  in do_open_lookup()  argument
239 	struct svc_fh *current_fh = &cstate->current_fh;  in do_open_lookup()
304 	nfsd4_set_open_owner_reply_cache(cstate, open, *resfh);  in do_open_lookup()
316 do_open_fhandle(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_open *ope…  in do_open_fhandle()  argument
318 	struct svc_fh *current_fh = &cstate->current_fh;  in do_open_fhandle()
328 	nfsd4_set_open_owner_reply_cache(cstate, open, current_fh);  in do_open_fhandle()
360 nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_open()  argument
382 	if (nfsd4_has_session(cstate) &&  in nfsd4_open()
384 		      &cstate->session->se_client->cl_flags) &&  in nfsd4_open()
388 	if (nfsd4_has_session(cstate))  in nfsd4_open()
389 		copy_clientid(&open->op_clientid, cstate->session);  in nfsd4_open()
393 	status = nfsd4_process_open1(&resp->cstate, open, nn);  in nfsd4_open()
396 		fh_put(&cstate->current_fh);  in nfsd4_open()
397 		fh_copy_shallow(&cstate->current_fh.fh_handle,  in nfsd4_open()
399 		status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP);  in nfsd4_open()
413 	status = nfsd4_check_open_attributes(rqstp, cstate, open);  in nfsd4_open()
429 			status = do_open_lookup(rqstp, cstate, open, &resfh);  in nfsd4_open()
435 							 cstate, nn);  in nfsd4_open()
441 			status = do_open_fhandle(rqstp, cstate, open);  in nfsd4_open()
444 			resfh = &cstate->current_fh;  in nfsd4_open()
468 	if (resfh && resfh != &cstate->current_fh) {  in nfsd4_open()
469 		fh_dup2(&cstate->current_fh, resfh);  in nfsd4_open()
473 	nfsd4_cleanup_open_state(cstate, open);  in nfsd4_open()
474 	nfsd4_bump_seqid(cstate, status);  in nfsd4_open()
484 static __be32 nfsd4_open_omfg(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct n…  in nfsd4_open_omfg()  argument
490 	if (nfsd4_has_session(cstate))  in nfsd4_open_omfg()
493 	return nfsd4_open(rqstp, cstate, open);  in nfsd4_open_omfg()
500 nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_getfh()  argument
503 	if (!cstate->current_fh.fh_dentry)  in nfsd4_getfh()
506 	*getfh = &cstate->current_fh;  in nfsd4_getfh()
511 nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_putfh()  argument
514 	fh_put(&cstate->current_fh);  in nfsd4_putfh()
515 	cstate->current_fh.fh_handle.fh_size = putfh->pf_fhlen;  in nfsd4_putfh()
516 	memcpy(&cstate->current_fh.fh_handle.fh_base, putfh->pf_fhval,  in nfsd4_putfh()
518 	return fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_BYPASS_GSS);  in nfsd4_putfh()
522 nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_putrootfh()  argument
527 	fh_put(&cstate->current_fh);  in nfsd4_putrootfh()
528 	status = exp_pseudoroot(rqstp, &cstate->current_fh);  in nfsd4_putrootfh()
533 nfsd4_restorefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_restorefh()  argument
536 	if (!cstate->save_fh.fh_dentry)  in nfsd4_restorefh()
539 	fh_dup2(&cstate->current_fh, &cstate->save_fh);  in nfsd4_restorefh()
540 	if (HAS_STATE_ID(cstate, SAVED_STATE_ID_FLAG)) {  in nfsd4_restorefh()
541 		memcpy(&cstate->current_stateid, &cstate->save_stateid, sizeof(stateid_t));  in nfsd4_restorefh()
542 		SET_STATE_ID(cstate, CURRENT_STATE_ID_FLAG);  in nfsd4_restorefh()
548 nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_savefh()  argument
551 	if (!cstate->current_fh.fh_dentry)  in nfsd4_savefh()
554 	fh_dup2(&cstate->save_fh, &cstate->current_fh);  in nfsd4_savefh()
555 	if (HAS_STATE_ID(cstate, CURRENT_STATE_ID_FLAG)) {  in nfsd4_savefh()
556 		memcpy(&cstate->save_stateid, &cstate->current_stateid, sizeof(stateid_t));  in nfsd4_savefh()
557 		SET_STATE_ID(cstate, SAVED_STATE_ID_FLAG);  in nfsd4_savefh()
566 nfsd4_access(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_access()  argument
573 	return nfsd_access(rqstp, &cstate->current_fh, &access->ac_resp_access,  in nfsd4_access()
592 nfsd4_commit(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_commit()  argument
596 	return nfsd_commit(rqstp, &cstate->current_fh, commit->co_offset,  in nfsd4_commit()
601 nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_create()  argument
610 	status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR,  in nfsd4_create()
615 	status = check_attr_support(rqstp, cstate, create->cr_bmval,  in nfsd4_create()
622 		status = nfsd_symlink(rqstp, &cstate->current_fh,  in nfsd4_create()
632 		status = nfsd_create(rqstp, &cstate->current_fh,  in nfsd4_create()
642 		status = nfsd_create(rqstp, &cstate->current_fh,  in nfsd4_create()
648 		status = nfsd_create(rqstp, &cstate->current_fh,  in nfsd4_create()
654 		status = nfsd_create(rqstp, &cstate->current_fh,  in nfsd4_create()
661 		status = nfsd_create(rqstp, &cstate->current_fh,  in nfsd4_create()
680 	fh_unlock(&cstate->current_fh);  in nfsd4_create()
681 	set_change_info(&create->cr_cinfo, &cstate->current_fh);  in nfsd4_create()
682 	fh_dup2(&cstate->current_fh, &resfh);  in nfsd4_create()
689 nfsd4_getattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_getattr()  argument
694 	status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP);  in nfsd4_getattr()
701 	getattr->ga_bmval[0] &= nfsd_suppattrs0(cstate->minorversion);  in nfsd4_getattr()
702 	getattr->ga_bmval[1] &= nfsd_suppattrs1(cstate->minorversion);  in nfsd4_getattr()
703 	getattr->ga_bmval[2] &= nfsd_suppattrs2(cstate->minorversion);  in nfsd4_getattr()
705 	getattr->ga_fhp = &cstate->current_fh;  in nfsd4_getattr()
710 nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_link()  argument
715 	if (!cstate->save_fh.fh_dentry)  in nfsd4_link()
717 	status = nfsd_link(rqstp, &cstate->current_fh,  in nfsd4_link()
718 			   link->li_name, link->li_namelen, &cstate->save_fh);  in nfsd4_link()
720 		set_change_info(&link->li_cinfo, &cstate->current_fh);  in nfsd4_link()
742 nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_lookupp()  argument
745 	return nfsd4_do_lookupp(rqstp, &cstate->current_fh);  in nfsd4_lookupp()
749 nfsd4_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_lookup()  argument
752 	return nfsd_lookup(rqstp, &cstate->current_fh,  in nfsd4_lookup()
754 			   &cstate->current_fh);  in nfsd4_lookup()
758 nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_read()  argument
782 						 cstate, &read->rd_stateid,  in nfsd4_read()
790 	read->rd_fhp = &cstate->current_fh;  in nfsd4_read()
795 nfsd4_readdir(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_readdir()  argument
806 	readdir->rd_bmval[0] &= nfsd_suppattrs0(cstate->minorversion);  in nfsd4_readdir()
807 	readdir->rd_bmval[1] &= nfsd_suppattrs1(cstate->minorversion);  in nfsd4_readdir()
808 	readdir->rd_bmval[2] &= nfsd_suppattrs2(cstate->minorversion);  in nfsd4_readdir()
815 	readdir->rd_fhp = &cstate->current_fh;  in nfsd4_readdir()
820 nfsd4_readlink(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_readlink()  argument
824 	readlink->rl_fhp = &cstate->current_fh;  in nfsd4_readlink()
829 nfsd4_remove(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_remove()  argument
836 	status = nfsd_unlink(rqstp, &cstate->current_fh, 0,  in nfsd4_remove()
839 		fh_unlock(&cstate->current_fh);  in nfsd4_remove()
840 		set_change_info(&remove->rm_cinfo, &cstate->current_fh);  in nfsd4_remove()
846 nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_rename()  argument
851 	if (!cstate->save_fh.fh_dentry)  in nfsd4_rename()
854 		!(cstate->save_fh.fh_export->ex_flags & NFSEXP_NOSUBTREECHECK))  in nfsd4_rename()
856 	status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname,  in nfsd4_rename()
857 			     rename->rn_snamelen, &cstate->current_fh,  in nfsd4_rename()
861 	set_change_info(&rename->rn_sinfo, &cstate->current_fh);  in nfsd4_rename()
862 	set_change_info(&rename->rn_tinfo, &cstate->save_fh);  in nfsd4_rename()
867 nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_secinfo()  argument
876 	err = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, NFSD_MAY_EXEC);  in nfsd4_secinfo()
879 	err = nfsd_lookup_dentry(rqstp, &cstate->current_fh,  in nfsd4_secinfo()
884 	fh_unlock(&cstate->current_fh);  in nfsd4_secinfo()
891 	if (cstate->minorversion)  in nfsd4_secinfo()
893 		fh_put(&cstate->current_fh);  in nfsd4_secinfo()
898 nfsd4_secinfo_no_name(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_secinfo_no_name()  argument
907 		err = nfsd4_do_lookupp(rqstp, &cstate->current_fh);  in nfsd4_secinfo_no_name()
915 	sin->sin_exp = exp_get(cstate->current_fh.fh_export);  in nfsd4_secinfo_no_name()
916 	fh_put(&cstate->current_fh);  in nfsd4_secinfo_no_name()
921 nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_setattr()  argument
928 		status = nfs4_preprocess_stateid_op(SVC_NET(rqstp), cstate,  in nfsd4_setattr()
935 	err = fh_want_write(&cstate->current_fh);  in nfsd4_setattr()
940 	status = check_attr_support(rqstp, cstate, setattr->sa_bmval,  in nfsd4_setattr()
946 		status = nfsd4_set_nfs4_acl(rqstp, &cstate->current_fh,  in nfsd4_setattr()
951 		status = nfsd4_set_nfs4_label(rqstp, &cstate->current_fh,  in nfsd4_setattr()
955 	status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr,  in nfsd4_setattr()
958 	fh_drop_write(&cstate->current_fh);  in nfsd4_setattr()
981 nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_write()  argument
996 					cstate, stateid, WR_STATE, &filp);  in nfsd4_write()
1009 	status =  nfsd_write(rqstp, &cstate->current_fh, filp,  in nfsd4_write()
1021 nfsd4_fallocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_fallocate()  argument
1027 	status = nfs4_preprocess_stateid_op(SVC_NET(rqstp), cstate,  in nfsd4_fallocate()
1037 	status = nfsd4_vfs_fallocate(rqstp, &cstate->current_fh, file,  in nfsd4_fallocate()
1046 nfsd4_allocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_allocate()  argument
1049 	return nfsd4_fallocate(rqstp, cstate, fallocate, 0);  in nfsd4_allocate()
1053 nfsd4_deallocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_deallocate()  argument
1056 	return nfsd4_fallocate(rqstp, cstate, fallocate,  in nfsd4_deallocate()
1061 nfsd4_seek(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_seek()  argument
1068 	status = nfs4_preprocess_stateid_op(SVC_NET(rqstp), cstate,  in nfsd4_seek()
1111 _nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in _nfsd4_verify()  argument
1118 	status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP);  in _nfsd4_verify()
1122 	status = check_attr_support(rqstp, cstate, verify->ve_bmval, NULL);  in _nfsd4_verify()
1141 	status = nfsd4_encode_fattr_to_buf(&p, count, &cstate->current_fh,  in _nfsd4_verify()
1142 				    cstate->current_fh.fh_export,  in _nfsd4_verify()
1143 				    cstate->current_fh.fh_dentry,  in _nfsd4_verify()
1169 nfsd4_nverify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_nverify()  argument
1174 	status = _nfsd4_verify(rqstp, cstate, verify);  in nfsd4_nverify()
1179 nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,  in nfsd4_verify()  argument
1184 	status = _nfsd4_verify(rqstp, cstate, verify);  in nfsd4_verify()
1208 		struct nfsd4_compound_state *cstate,  in nfsd4_getdeviceinfo()  argument
1252 		struct nfsd4_compound_state *cstate,  in nfsd4_layoutget()  argument
1255 	struct svc_fh *current_fh = &cstate->current_fh;  in nfsd4_layoutget()
1305 	nfserr = nfsd4_preprocess_layout_stateid(rqstp, cstate, &lgp->lg_sid,  in nfsd4_layoutget()
1331 		struct nfsd4_compound_state *cstate,  in nfsd4_layoutcommit()  argument
1335 	struct svc_fh *current_fh = &cstate->current_fh;  in nfsd4_layoutcommit()
1366 	nfserr = nfsd4_preprocess_layout_stateid(rqstp, cstate, &lcp->lc_sid,  in nfsd4_layoutcommit()
1396 		struct nfsd4_compound_state *cstate,  in nfsd4_layoutreturn()  argument
1399 	struct svc_fh *current_fh = &cstate->current_fh;  in nfsd4_layoutreturn()
1424 		nfserr = nfsd4_return_file_layouts(rqstp, cstate, lrp);  in nfsd4_layoutreturn()
1428 		nfserr = nfsd4_return_client_layouts(rqstp, cstate, lrp);  in nfsd4_layoutreturn()
1614 	struct nfsd4_compound_state *cstate = &resp->cstate;  in nfsd4_proc_compound()  local
1615 	struct svc_fh *current_fh = &cstate->current_fh;  in nfsd4_proc_compound()
1616 	struct svc_fh *save_fh = &cstate->save_fh;  in nfsd4_proc_compound()
1626 	cstate->minorversion = args->minorversion;  in nfsd4_proc_compound()
1662 				op->status = nfsd4_open_omfg(rqstp, cstate, op);  in nfsd4_proc_compound()
1701 			opdesc->op_get_currentstateid(cstate, &op->u);  in nfsd4_proc_compound()
1702 		op->status = opdesc->op_func(rqstp, cstate, &op->u);  in nfsd4_proc_compound()
1706 				opdesc->op_set_currentstateid(cstate, &op->u);  in nfsd4_proc_compound()
1709 				clear_current_stateid(cstate);  in nfsd4_proc_compound()
1717 		if (cstate->status == nfserr_replay_cache) {  in nfsd4_proc_compound()
1723 			op->replay = &cstate->replay_owner->so_replay;  in nfsd4_proc_compound()
1735 		nfsd4_cstate_clear_replay(cstate);  in nfsd4_proc_compound()
1743 	cstate->status = status;  in nfsd4_proc_compound()
1746 	BUG_ON(cstate->replay_owner);  in nfsd4_proc_compound()