mirror of
https://github.com/drasko/codezero.git
synced 2026-01-16 21:03:16 +01:00
26 lines
626 B
C
26 lines
626 B
C
/*
|
|
* 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);
|
|
}
|