file-nommu.c File Reference

#include <linux/module.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/highmem.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/backing-dev.h>
#include <linux/ramfs.h>
#include <linux/pagevec.h>
#include <linux/mman.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include "internal.h"

Go to the source code of this file.

Functions
int	ramfs_nommu_expand_for_mapping (struct inode *inode, size_t newsize)
unsigned long	ramfs_nommu_get_unmapped_area (struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags)
int	ramfs_nommu_mmap (struct file *file, struct vm_area_struct *vma)

Variables
struct address_space_operations	ramfs_aops
struct file_operations	ramfs_file_operations
struct inode_operations	ramfs_file_inode_operations

Function Documentation

int ramfs_nommu_expand_for_mapping	(	struct inode *	inode,
		size_t	newsize
	)

Definition at line 62 of file file-nommu.c.

unsigned long ramfs_nommu_get_unmapped_area	(	struct file *	file,
		unsigned long	addr,
		unsigned long	len,
		unsigned long	pgoff,
		unsigned long	flags
	)

Definition at line 200 of file file-nommu.c.

int ramfs_nommu_mmap	(	struct file *	file,
		struct vm_area_struct *	vma
	)

Definition at line 259 of file file-nommu.c.

Variable Documentation

struct address_space_operations ramfs_aops

Initial value:

= {
    .readpage       = simple_readpage,
    .write_begin        = simple_write_begin,
    .write_end      = simple_write_end,
    .set_page_dirty     = __set_page_dirty_no_writeback,
}

Definition at line 31 of file file-nommu.c.

struct inode_operations ramfs_file_inode_operations

Initial value:

= {
    .setattr        = ramfs_nommu_setattr,
    .getattr        = simple_getattr,
}

Definition at line 51 of file file-nommu.c.

struct file_operations ramfs_file_operations

Initial value:

= {
    .mmap           = ramfs_nommu_mmap,
    .get_unmapped_area  = ramfs_nommu_get_unmapped_area,
    .read           = do_sync_read,
    .aio_read       = generic_file_aio_read,
    .write          = do_sync_write,
    .aio_write      = generic_file_aio_write,
    .fsync          = noop_fsync,
    .splice_read        = generic_file_splice_read,
    .splice_write       = generic_file_splice_write,
    .llseek         = generic_file_llseek,
}

Definition at line 38 of file file-nommu.c.