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/*

 * File content tracking.

 *

 * Copyright (C) 2008 Bahadir Balban

 */

#include <fs.h>

#include <file.h>

#include <l4/lib/list.h>

#include <l4/macros.h>

#include INC_GLUE(memory.h)

#include <stdio.h>

/*

 * This reads contents of a file in pages, calling the fs-specific file read function to read-in

 * those pages' contents.

 *

 * Normally this is ought to be called by mm0 when a file's pages cannot be found in the page

 * cache.

 */

int generic_file_read(struct vnode *v, unsigned long pfn, unsigned long npages, void *page_buf)

{

        BUG_ON(!is_page_aligned(page_buf));

        return v->fops.read(v, pfn, npages, page_buf);

}