467 init_state(struct posix_acl_state *state, int cnt)  in init_state()  argument
471 	memset(state, 0, sizeof(struct posix_acl_state));  in init_state()
472 	state->empty = 1;  in init_state()
480 	state->users = kzalloc(alloc, GFP_KERNEL);  in init_state()
481 	if (!state->users)  in init_state()
483 	state->groups = kzalloc(alloc, GFP_KERNEL);  in init_state()
484 	if (!state->groups) {  in init_state()
485 		kfree(state->users);  in init_state()
492 free_state(struct posix_acl_state *state) {  in free_state()  argument
493 	kfree(state->users);  in free_state()
494 	kfree(state->groups);  in free_state()
497 static inline void add_to_mask(struct posix_acl_state *state, struct posix_ace_state *astate)  in add_to_mask()  argument
499 	state->mask.allow |= astate->allow;  in add_to_mask()
503 posix_state_to_acl(struct posix_acl_state *state, unsigned int flags)  in posix_state_to_acl()  argument
515 	if (state->empty && (flags & NFS4_ACL_TYPE_DEFAULT))  in posix_state_to_acl()
523 	if (!state->users->n && !state->groups->n)  in posix_state_to_acl()
526 		nace = 4 + state->users->n + state->groups->n;  in posix_state_to_acl()
533 	low_mode_from_nfs4(state->owner.allow, &pace->e_perm, flags);  in posix_state_to_acl()
535 	for (i=0; i < state->users->n; i++) {  in posix_state_to_acl()
538 		low_mode_from_nfs4(state->users->aces[i].perms.allow,  in posix_state_to_acl()
540 		pace->e_uid = state->users->aces[i].uid;  in posix_state_to_acl()
541 		add_to_mask(state, &state->users->aces[i].perms);  in posix_state_to_acl()
546 	low_mode_from_nfs4(state->group.allow, &pace->e_perm, flags);  in posix_state_to_acl()
547 	add_to_mask(state, &state->group);  in posix_state_to_acl()
549 	for (i=0; i < state->groups->n; i++) {  in posix_state_to_acl()
552 		low_mode_from_nfs4(state->groups->aces[i].perms.allow,  in posix_state_to_acl()
554 		pace->e_gid = state->groups->aces[i].gid;  in posix_state_to_acl()
555 		add_to_mask(state, &state->groups->aces[i].perms);  in posix_state_to_acl()
558 	if (state->users->n || state->groups->n) {  in posix_state_to_acl()
561 		low_mode_from_nfs4(state->mask.allow, &pace->e_perm, flags);  in posix_state_to_acl()
566 	low_mode_from_nfs4(state->other.allow, &pace->e_perm, flags);  in posix_state_to_acl()
583 static int find_uid(struct posix_acl_state *state, kuid_t uid)  in find_uid()  argument
585 	struct posix_ace_state_array *a = state->users;  in find_uid()
594 	a->aces[i].perms.allow = state->everyone.allow;  in find_uid()
595 	a->aces[i].perms.deny  = state->everyone.deny;  in find_uid()
600 static int find_gid(struct posix_acl_state *state, kgid_t gid)  in find_gid()  argument
602 	struct posix_ace_state_array *a = state->groups;  in find_gid()
611 	a->aces[i].perms.allow = state->everyone.allow;  in find_gid()
612 	a->aces[i].perms.deny  = state->everyone.deny;  in find_gid()
633 static void process_one_v4_ace(struct posix_acl_state *state,  in process_one_v4_ace()  argument
639 	state->empty = 0;  in process_one_v4_ace()
644 			allow_bits(&state->owner, mask);  in process_one_v4_ace()
646 			deny_bits(&state->owner, mask);  in process_one_v4_ace()
650 		i = find_uid(state, ace->who_uid);  in process_one_v4_ace()
652 			allow_bits(&state->users->aces[i].perms, mask);  in process_one_v4_ace()
654 			deny_bits(&state->users->aces[i].perms, mask);  in process_one_v4_ace()
655 			mask = state->users->aces[i].perms.deny;  in process_one_v4_ace()
656 			deny_bits(&state->owner, mask);  in process_one_v4_ace()
661 			allow_bits(&state->group, mask);  in process_one_v4_ace()
663 			deny_bits(&state->group, mask);  in process_one_v4_ace()
664 			mask = state->group.deny;  in process_one_v4_ace()
665 			deny_bits(&state->owner, mask);  in process_one_v4_ace()
666 			deny_bits(&state->everyone, mask);  in process_one_v4_ace()
667 			deny_bits_array(state->users, mask);  in process_one_v4_ace()
668 			deny_bits_array(state->groups, mask);  in process_one_v4_ace()
672 		i = find_gid(state, ace->who_gid);  in process_one_v4_ace()
674 			allow_bits(&state->groups->aces[i].perms, mask);  in process_one_v4_ace()
676 			deny_bits(&state->groups->aces[i].perms, mask);  in process_one_v4_ace()
677 			mask = state->groups->aces[i].perms.deny;  in process_one_v4_ace()
678 			deny_bits(&state->owner, mask);  in process_one_v4_ace()
679 			deny_bits(&state->group, mask);  in process_one_v4_ace()
680 			deny_bits(&state->everyone, mask);  in process_one_v4_ace()
681 			deny_bits_array(state->users, mask);  in process_one_v4_ace()
682 			deny_bits_array(state->groups, mask);  in process_one_v4_ace()
687 			allow_bits(&state->owner, mask);  in process_one_v4_ace()
688 			allow_bits(&state->group, mask);  in process_one_v4_ace()
689 			allow_bits(&state->other, mask);  in process_one_v4_ace()
690 			allow_bits(&state->everyone, mask);  in process_one_v4_ace()
691 			allow_bits_array(state->users, mask);  in process_one_v4_ace()
692 			allow_bits_array(state->groups, mask);  in process_one_v4_ace()
694 			deny_bits(&state->owner, mask);  in process_one_v4_ace()
695 			deny_bits(&state->group, mask);  in process_one_v4_ace()
696 			deny_bits(&state->other, mask);  in process_one_v4_ace()
697 			deny_bits(&state->everyone, mask);  in process_one_v4_ace()
698 			deny_bits_array(state->users, mask);  in process_one_v4_ace()
699 			deny_bits_array(state->groups, mask);  in process_one_v4_ace()