xfs_aops.c File Reference

#include "xfs.h"
#include "xfs_log.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_trans.h"
#include "xfs_mount.h"
#include "xfs_bmap_btree.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
#include "xfs_alloc.h"
#include "xfs_error.h"
#include "xfs_iomap.h"
#include "xfs_vnodeops.h"
#include "xfs_trace.h"
#include "xfs_bmap.h"
#include <linux/gfp.h>
#include <linux/mpage.h>
#include <linux/pagevec.h>
#include <linux/writeback.h>

Go to the source code of this file.

Functions
void	xfs_count_page_state (struct page *page, int *delalloc, int *unwritten)
STATIC struct block_device *	xfs_find_bdev_for_inode (struct inode *inode)
STATIC void	xfs_destroy_ioend (xfs_ioend_t *ioend)
STATIC int	xfs_setfilesize_trans_alloc (struct xfs_ioend *ioend)
STATIC int	xfs_setfilesize (struct xfs_ioend *ioend)
STATIC void	xfs_finish_ioend (struct xfs_ioend *ioend)
STATIC void	xfs_end_io (struct work_struct *work)
STATIC void	xfs_finish_ioend_sync (struct xfs_ioend *ioend)
STATIC xfs_ioend_t *	xfs_alloc_ioend (struct inode *inode, unsigned int type)
STATIC int	xfs_map_blocks (struct inode *inode, loff_t offset, struct xfs_bmbt_irec *imap, int type, int nonblocking)
STATIC int	xfs_imap_valid (struct inode *inode, struct xfs_bmbt_irec *imap, xfs_off_t offset)
STATIC void	xfs_end_bio (struct bio *bio, int error)
STATIC void	xfs_submit_ioend_bio (struct writeback_control *wbc, xfs_ioend_t *ioend, struct bio *bio)
STATIC struct bio *	xfs_alloc_ioend_bio (struct buffer_head *bh)
STATIC void	xfs_start_buffer_writeback (struct buffer_head *bh)
STATIC void	xfs_start_page_writeback (struct page *page, int clear_dirty, int buffers)
STATIC void	xfs_submit_ioend (struct writeback_control *wbc, xfs_ioend_t *ioend, int fail)
STATIC void	xfs_cancel_ioend (xfs_ioend_t *ioend)
STATIC void	xfs_add_to_ioend (struct inode *inode, struct buffer_head *bh, xfs_off_t offset, unsigned int type, xfs_ioend_t **result, int need_ioend)
STATIC void	xfs_map_buffer (struct inode *inode, struct buffer_head *bh, struct xfs_bmbt_irec *imap, xfs_off_t offset)
STATIC void	xfs_map_at_offset (struct inode *inode, struct buffer_head *bh, struct xfs_bmbt_irec *imap, xfs_off_t offset)
STATIC int	xfs_check_page_type (struct page *page, unsigned int type)
STATIC int	xfs_convert_page (struct inode *inode, struct page *page, loff_t tindex, struct xfs_bmbt_irec *imap, xfs_ioend_t **ioendp, struct writeback_control *wbc)
STATIC void	xfs_cluster_write (struct inode *inode, pgoff_t tindex, struct xfs_bmbt_irec *imap, xfs_ioend_t **ioendp, struct writeback_control *wbc, pgoff_t tlast)
STATIC void	xfs_vm_invalidatepage (struct page *page, unsigned long offset)
STATIC void	xfs_aops_discard_page (struct page *page)
STATIC int	xfs_vm_writepage (struct page *page, struct writeback_control *wbc)
STATIC int	xfs_vm_writepages (struct address_space *mapping, struct writeback_control *wbc)
STATIC int	xfs_vm_releasepage (struct page *page, gfp_t gfp_mask)
STATIC int	__xfs_get_blocks (struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create, int direct)
int	xfs_get_blocks (struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create)
STATIC int	xfs_get_blocks_direct (struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create)
STATIC void	xfs_end_io_direct_write (struct kiocb *iocb, loff_t offset, ssize_t size, void *private, int ret, bool is_async)
STATIC ssize_t	xfs_vm_direct_IO (int rw, struct kiocb *iocb, const struct iovec *iov, loff_t offset, unsigned long nr_segs)
STATIC void	xfs_vm_kill_delalloc_range (struct inode *inode, loff_t start, loff_t end)
STATIC void	xfs_vm_write_failed (struct inode *inode, struct page *page, loff_t pos, unsigned len)
STATIC int	xfs_vm_write_begin (struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata)
STATIC int	xfs_vm_write_end (struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata)
STATIC sector_t	xfs_vm_bmap (struct address_space *mapping, sector_t block)
STATIC int	xfs_vm_readpage (struct file *unused, struct page *page)
STATIC int	xfs_vm_readpages (struct file *unused, struct address_space *mapping, struct list_head *pages, unsigned nr_pages)

Variables
struct address_space_operations	xfs_address_space_operations

Function Documentation

STATIC int __xfs_get_blocks	(	struct inode *	inode,
		sector_t	iblock,
		struct buffer_head *	bh_result,
		int	create,
		int	direct
	)

Definition at line 1177 of file xfs_aops.c.

STATIC void xfs_add_to_ioend	(	struct inode *	inode,
		struct buffer_head *	bh,
		xfs_off_t	offset,
		unsigned int	type,
		xfs_ioend_t **	result,
		int	need_ioend
	)

Definition at line 582 of file xfs_aops.c.

STATIC xfs_ioend_t* xfs_alloc_ioend	(	struct inode *	inode,
		unsigned int	type
	)

Definition at line 279 of file xfs_aops.c.

STATIC struct bio* xfs_alloc_ioend_bio ( struct buffer_head *  bh )

read

Definition at line 420 of file xfs_aops.c.

STATIC void xfs_aops_discard_page

(

struct page *

page

)

Definition at line 859 of file xfs_aops.c.

STATIC void xfs_cancel_ioend

(

xfs_ioend_t *

ioend

)

Definition at line 556 of file xfs_aops.c.

STATIC int xfs_check_page_type	(	struct page *	page,
		unsigned int	type
	)

Definition at line 656 of file xfs_aops.c.

STATIC void xfs_cluster_write	(	struct inode *	inode,
		pgoff_t	tindex,
		struct xfs_bmbt_irec *	imap,
		xfs_ioend_t **	ioendp,
		struct writeback_control *	wbc,
		pgoff_t	tlast
	)

Definition at line 803 of file xfs_aops.c.

STATIC int xfs_convert_page	(	struct inode *	inode,
		struct page *	page,
		loff_t	tindex,
		struct xfs_bmbt_irec *	imap,
		xfs_ioend_t **	ioendp,
		struct writeback_control *	wbc
	)

Definition at line 693 of file xfs_aops.c.

void xfs_count_page_state	(	struct page *	page,
		int *	delalloc,
		int *	unwritten
	)

Definition at line 40 of file xfs_aops.c.

STATIC void xfs_destroy_ioend

(

xfs_ioend_t *

ioend

)

Definition at line 78 of file xfs_aops.c.

STATIC void xfs_end_bio	(	struct bio *	bio,
		int	error
	)

Definition at line 390 of file xfs_aops.c.

STATIC void xfs_end_io

(

struct work_struct *

work

)

Definition at line 201 of file xfs_aops.c.

STATIC void xfs_end_io_direct_write	(	struct kiocb *	iocb,
		loff_t	offset,
		ssize_t	size,
		void *	private,
		int	ret,
		bool	is_async
	)

Definition at line 1377 of file xfs_aops.c.

STATIC struct block_device* xfs_find_bdev_for_inode ( struct inode *  inode )

read

Definition at line 59 of file xfs_aops.c.

STATIC void xfs_finish_ioend

(

struct xfs_ioend *

ioend

)

Definition at line 182 of file xfs_aops.c.

STATIC void xfs_finish_ioend_sync

(

struct xfs_ioend *

ioend

)

Definition at line 265 of file xfs_aops.c.

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

Definition at line 1346 of file xfs_aops.c.

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

Definition at line 1356 of file xfs_aops.c.

STATIC int xfs_imap_valid	(	struct inode *	inode,
		struct xfs_bmbt_irec *	imap,
		xfs_off_t	offset
	)

Definition at line 375 of file xfs_aops.c.

STATIC void xfs_map_at_offset	(	struct inode *	inode,
		struct buffer_head *	bh,
		struct xfs_bmbt_irec *	imap,
		xfs_off_t	offset
	)

Definition at line 636 of file xfs_aops.c.

STATIC int xfs_map_blocks	(	struct inode *	inode,
		loff_t	offset,
		struct xfs_bmbt_irec *	imap,
		int	type,
		int	nonblocking
	)

Definition at line 312 of file xfs_aops.c.

STATIC void xfs_map_buffer	(	struct inode *	inode,
		struct buffer_head *	bh,
		struct xfs_bmbt_irec *	imap,
		xfs_off_t	offset
	)

Definition at line 612 of file xfs_aops.c.

STATIC int xfs_setfilesize

(

struct xfs_ioend *

ioend

)

Definition at line 144 of file xfs_aops.c.

STATIC int xfs_setfilesize_trans_alloc

(

struct xfs_ioend *

ioend

)

Definition at line 109 of file xfs_aops.c.

STATIC void xfs_start_buffer_writeback

(

struct buffer_head *

bh

)

Definition at line 433 of file xfs_aops.c.

STATIC void xfs_start_page_writeback	(	struct page *	page,
		int	clear_dirty,
		int	buffers
	)

Definition at line 447 of file xfs_aops.c.

STATIC void xfs_submit_ioend	(	struct writeback_control *	wbc,
		xfs_ioend_t *	ioend,
		int	fail
	)

Definition at line 491 of file xfs_aops.c.

STATIC void xfs_submit_ioend_bio	(	struct writeback_control *	wbc,
		xfs_ioend_t *	ioend,
		struct bio *	bio
	)

Definition at line 408 of file xfs_aops.c.

STATIC sector_t xfs_vm_bmap	(	struct address_space *	mapping,
		sector_t	block
	)

Definition at line 1635 of file xfs_aops.c.

STATIC ssize_t xfs_vm_direct_IO	(	int	rw,
		struct kiocb *	iocb,
		const struct iovec *	iov,
		loff_t	offset,
		unsigned long	nr_segs
	)

Definition at line 1419 of file xfs_aops.c.

STATIC void xfs_vm_invalidatepage	(	struct page *	page,
		unsigned long	offset
	)

Definition at line 834 of file xfs_aops.c.

STATIC void xfs_vm_kill_delalloc_range	(	struct inode *	inode,
		loff_t	start,
		loff_t	end
	)

Definition at line 1484 of file xfs_aops.c.

STATIC int xfs_vm_readpage	(	struct file *	unused,
		struct page *	page
	)

Definition at line 1650 of file xfs_aops.c.

STATIC int xfs_vm_readpages	(	struct file *	unused,
		struct address_space *	mapping,
		struct list_head *	pages,
		unsigned	nr_pages
	)

Definition at line 1658 of file xfs_aops.c.

STATIC int xfs_vm_releasepage	(	struct page *	page,
		gfp_t	gfp_mask
	)

Definition at line 1158 of file xfs_aops.c.

STATIC int xfs_vm_write_begin	(	struct file *	file,
		struct address_space *	mapping,
		loff_t	pos,
		unsigned	len,
		unsigned	flags,
		struct page **	pagep,
		void **	fsdata
	)

Definition at line 1563 of file xfs_aops.c.

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

Definition at line 1607 of file xfs_aops.c.

STATIC void xfs_vm_write_failed	(	struct inode *	inode,
		struct page *	page,
		loff_t	pos,
		unsigned	len
	)

Definition at line 1514 of file xfs_aops.c.

STATIC int xfs_vm_writepage	(	struct page *	page,
		struct writeback_control *	wbc
	)

Definition at line 916 of file xfs_aops.c.

STATIC int xfs_vm_writepages	(	struct address_space *	mapping,
		struct writeback_control *	wbc
	)

Definition at line 1142 of file xfs_aops.c.

Variable Documentation

struct address_space_operations xfs_address_space_operations

Initial value:

= {
    .readpage       = xfs_vm_readpage,
    .readpages      = xfs_vm_readpages,
    .writepage      = xfs_vm_writepage,
    .writepages     = xfs_vm_writepages,
    .releasepage        = xfs_vm_releasepage,
    .invalidatepage     = xfs_vm_invalidatepage,
    .write_begin        = xfs_vm_write_begin,
    .write_end      = xfs_vm_write_end,
    .bmap           = xfs_vm_bmap,
    .direct_IO      = xfs_vm_direct_IO,
    .migratepage        = buffer_migrate_page,
    .is_partially_uptodate  = block_is_partially_uptodate,
    .error_remove_page  = generic_error_remove_page,
}

Definition at line 1667 of file xfs_aops.c.