aops.c File Reference

#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <asm/byteorder.h>
#include <linux/swap.h>
#include <linux/pipe_fs_i.h>
#include <linux/mpage.h>
#include <linux/quotaops.h>
#include <cluster/masklog.h>
#include "ocfs2.h"
#include "alloc.h"
#include "aops.h"
#include "dlmglue.h"
#include "extent_map.h"
#include "file.h"
#include "inode.h"
#include "journal.h"
#include "suballoc.h"
#include "super.h"
#include "symlink.h"
#include "refcounttree.h"
#include "ocfs2_trace.h"
#include "buffer_head_io.h"

Go to the source code of this file.

Data Structures
struct	ocfs2_write_cluster_desc
struct	ocfs2_write_ctxt

Macros
#define	OCFS2_MAX_CTXT_PAGES   (OCFS2_MAX_CLUSTERSIZE / PAGE_CACHE_SIZE)
#define	OCFS2_MAX_CLUSTERS_PER_PAGE   (PAGE_CACHE_SIZE / OCFS2_MIN_CLUSTERSIZE)

Functions
int	ocfs2_get_block (struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create)
int	ocfs2_read_inline_data (struct inode *inode, struct page *page, struct buffer_head *di_bh)
int	walk_page_buffers (handle_t *handle, struct buffer_head *head, unsigned from, unsigned to, int *partial, int(*fn)(handle_t *handle, struct buffer_head *bh))
int	ocfs2_map_page_blocks (struct page *page, u64 *p_blkno, struct inode *inode, unsigned int from, unsigned int to, int new)
void	ocfs2_unlock_and_free_pages (struct page **pages, int num_pages)
int	ocfs2_size_fits_inline_data (struct buffer_head *di_bh, u64 new_size)
int	ocfs2_write_begin_nolock (struct file *filp, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata, struct buffer_head *di_bh, struct page *mmap_page)
int	ocfs2_write_end_nolock (struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata)

Variables
struct address_space_operations	ocfs2_aops

Macro Definition Documentation

#define OCFS2_MAX_CLUSTERS_PER_PAGE   (PAGE_CACHE_SIZE / OCFS2_MIN_CLUSTERSIZE)

Definition at line 832 of file aops.c.

#define OCFS2_MAX_CTXT_PAGES   (OCFS2_MAX_CLUSTERSIZE / PAGE_CACHE_SIZE)

Definition at line 829 of file aops.c.

Function Documentation

int ocfs2_get_block	(	struct inode *	inode,
		sector_t	iblock,
		struct buffer_head *	bh_result,
		int	create
	)

Definition at line 130 of file aops.c.

int ocfs2_map_page_blocks	(	struct page *	page,
		u64 *	p_blkno,
		struct inode *	inode,
		unsigned int	from,
		unsigned int	to,
		int	new
	)

Definition at line 734 of file aops.c.

int ocfs2_read_inline_data	(	struct inode *	inode,
		struct page *	page,
		struct buffer_head *	di_bh
	)

Definition at line 215 of file aops.c.

int ocfs2_size_fits_inline_data	(	struct buffer_head *	di_bh,
		u64	new_size
	)

Definition at line 1552 of file aops.c.

void ocfs2_unlock_and_free_pages	(	struct page **	pages,
		int	num_pages
	)

Definition at line 907 of file aops.c.

int ocfs2_write_begin_nolock	(	struct file *	filp,
		struct address_space *	mapping,
		loff_t	pos,
		unsigned	len,
		unsigned	flags,
		struct page **	pagep,
		void **	fsdata,
		struct buffer_head *	di_bh,
		struct page *	mmap_page
	)

Definition at line 1704 of file aops.c.

int ocfs2_write_end_nolock	(	struct address_space *	mapping,
		loff_t	pos,
		unsigned	len,
		unsigned	copied,
		struct page *	page,
		void *	fsdata
	)

Definition at line 1995 of file aops.c.

int walk_page_buffers	(	handle_t *	handle,
		struct buffer_head *	head,
		unsigned	from,
		unsigned	to,
		int *	partial,
		int(*)(handle_t *handle, struct buffer_head *bh)	fn
	)

Definition at line 418 of file aops.c.

Variable Documentation

struct address_space_operations ocfs2_aops

Initial value:

= {
    .readpage       = ocfs2_readpage,
    .readpages      = ocfs2_readpages,
    .writepage      = ocfs2_writepage,
    .write_begin        = ocfs2_write_begin,
    .write_end      = ocfs2_write_end,
    .bmap           = ocfs2_bmap,
    .direct_IO      = ocfs2_direct_IO,
    .invalidatepage     = ocfs2_invalidatepage,
    .releasepage        = ocfs2_releasepage,
    .migratepage        = buffer_migrate_page,
    .is_partially_uptodate  = block_is_partially_uptodate,
    .error_remove_page  = generic_error_remove_page,
}

Definition at line 2086 of file aops.c.