--- /dev/null
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018-2019 John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+*/
+#include <stdlib.h>
+#include "mtab.h"
+
+int mtab_add(struct fs_node *node, struct filesys *fs)
+{
+ struct mount *m;
+
+ if(!(m = malloc(sizeof *m))) {
+ return -1;
+ }
+ m->mpt = node;
+ m->fs = fs;
+ m->next = 0;
+
+ if(mnt_list) {
+ mnt_tail->next = m;
+ mnt_tail = m;
+ } else {
+ mnt_list = mnt_tail = m;
+ }
+ mnt_count++;
+ return 0;
+}
+
+int mtab_remove_node(struct fs_node *node)
+{
+ int res = -1;
+ struct mount dummy;
+ struct mount *prev, *m;
+
+ dummy.next = mnt_list;
+ prev = &dummy;
+
+ while(prev->next) {
+ m = prev->next;
+ if(m->mpt == node) {
+ prev->next = m->next;
+ free(m);
+ res = 0;
+ break;
+ }
+ prev = prev->next;
+ }
+ mnt_list = dummy.next;
+ return res;
+}