[vfs] Fix VFS and add the initrd to the disk image and grub menu

Makefile

@@ -10,6 +10,7 @@ install: kernel
 	cp bootdisk.src.img bootdisk.img
 	mount bootdisk.img /mnt -o loop
 	cp kernel /mnt/kernel
+	cp initrd /mnt/initrd
 	umount /mnt
 	cp kernel /boot/toaruos-kernel
 

core/Makefile

@@ -1,7 +1,7 @@
 include ../Makefile.inc
 .PHONY: all clean install core
 
-all: gdt.o idt.o irq.o isrs.o kbd.o kprintf.o timer.o vga.o mem.o panic.o alloc.o
+all: gdt.o idt.o irq.o isrs.o kbd.o kprintf.o timer.o vga.o mem.o panic.o alloc.o vfs.o
 
 %.o: %.c
 	${CC} ${CFLAGS} -I../include -c -o $@ $<

include/fs.h

@@ -11,7 +11,7 @@
 
 typedef uint32_t (*read_type_t)(struct fs_node*, uint32_t, uint32_t, uint8_t *);
 typedef uint32_t (*write_type_t)(struct fs_node*, uint32_t, uint32_t, uint8_t *);
-typedef void (*open_type_t)(struct fs_node*);
+typedef void (*open_type_t)(struct fs_node*, uint8_t read, uint8_t write);
 typedef void (*close_type_t)(struct fs_node*);
 typedef struct dirent * (*readdir_type_t)(struct fs_node*, uint32_t);
 typedef struct fs_node * (*finddir_type_t)(struct fs_node*, char *name);
@@ -39,7 +39,7 @@ typedef struct fs_node {
 	struct fs_node	*ptr;
 } fs_node_t;
 
-extern *fs_root = 0;
+extern fs_node_t *fs_root;
 
 uint32_t read_fs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer);
 uint32_t write_fs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer);