static void vnode_destroy(struct vm_store *store)Frees memory associated with this store.static off_t vnode_commit(struct vm_store *store, off_t size)Sets committed size to size and returns it.static int vnode_has_page(struct vm_store *store, off_t offset)Returns 1.static ssize_t vnode_read(struct vm_store *store, off_t offset, iovecs *vecs)Calls vfs_readpage.static ssize_t vnode_write(struct vm_store *store, off_t offset, iovecs *vecs)calls vfs_writepagestatic void vnode_acquire_ref(struct vm_store *store)Calls vfs_vnode_aquire_refstatic void vnode_release_ref(struct vm_store *store)Calls vfs_vnode_release_refvm_store *vm_store_create_vnode(void *vnode)Creates space for a vm_store and a vnode_store_data. Sets data = vnode_store_data. Sets the vnode_store_data's vnode to vnode.