jfs_metapage.h File Reference

#include <linux/pagemap.h>

Go to the source code of this file.

Data Structures
struct	metapage

Macros
#define	META_locked   0
#define	META_free   1
#define	META_dirty   2
#define	META_sync   3
#define	META_discard   4
#define	META_forcewrite   5
#define	META_io   6
#define	mark_metapage_dirty(mp)   set_bit(META_dirty, &(mp)->flag)
#define	read_metapage(inode, lblock, size, absolute)   __get_metapage(inode, lblock, size, absolute, false)
#define	get_metapage(inode, lblock, size, absolute)   __get_metapage(inode, lblock, size, absolute, true)
#define	invalidate_pxd_metapages(ip, pxd)   __invalidate_metapages((ip), addressPXD(&(pxd)), lengthPXD(&(pxd)))
#define	invalidate_dxd_metapages(ip, dxd)   __invalidate_metapages((ip), addressDXD(&(dxd)), lengthDXD(&(dxd)))
#define	invalidate_xad_metapages(ip, xad)   __invalidate_metapages((ip), addressXAD(&(xad)), lengthXAD(&(xad)))

Functions
int	metapage_init (void)
void	metapage_exit (void)
struct metapage *	__get_metapage (struct inode *inode, unsigned long lblock, unsigned int size, int absolute, unsigned long new)
void	release_metapage (struct metapage *)
void	grab_metapage (struct metapage *)
void	force_metapage (struct metapage *)
void	hold_metapage (struct metapage *)
void	put_metapage (struct metapage *)
void	__invalidate_metapages (struct inode *, s64, int)

Variables
struct address_space_operations	jfs_metapage_aops

Macro Definition Documentation

#define get_metapage	(		inode,
			lblock,
			size,
			absolute
	)		__get_metapage(inode, lblock, size, absolute, true)

Definition at line 70 of file jfs_metapage.h.

#define invalidate_dxd_metapages	(		ip,
			dxd
	)		__invalidate_metapages((ip), addressDXD(&(dxd)), lengthDXD(&(dxd)))

Definition at line 150 of file jfs_metapage.h.

#define invalidate_pxd_metapages	(		ip,
			pxd
	)		__invalidate_metapages((ip), addressPXD(&(pxd)), lengthPXD(&(pxd)))

Definition at line 148 of file jfs_metapage.h.

#define invalidate_xad_metapages	(		ip,
			xad
	)		__invalidate_metapages((ip), addressXAD(&(xad)), lengthXAD(&(xad)))

Definition at line 152 of file jfs_metapage.h.

#define mark_metapage_dirty

(

mp

)

set_bit(META_dirty, &(mp)->flag)

Definition at line 58 of file jfs_metapage.h.

#define META_dirty   2

Definition at line 52 of file jfs_metapage.h.

#define META_discard   4

Definition at line 54 of file jfs_metapage.h.

#define META_forcewrite   5

Definition at line 55 of file jfs_metapage.h.

#define META_free   1

Definition at line 51 of file jfs_metapage.h.

#define META_io   6

Definition at line 56 of file jfs_metapage.h.

#define META_locked   0

Definition at line 50 of file jfs_metapage.h.

#define META_sync   3

Definition at line 53 of file jfs_metapage.h.

#define read_metapage	(		inode,
			lblock,
			size,
			absolute
	)		__get_metapage(inode, lblock, size, absolute, false)

Definition at line 67 of file jfs_metapage.h.

Function Documentation

struct metapage* __get_metapage ( struct inode *  inode, unsigned long  lblock, unsigned int  size, int  absolute, unsigned long  new  )

read

Definition at line 591 of file jfs_metapage.c.

void __invalidate_metapages	(	struct inode *	,
		s64	,
		int
	)

Definition at line 776 of file jfs_metapage.c.

void force_metapage

(

struct metapage *

)

Definition at line 709 of file jfs_metapage.c.

void grab_metapage

(

struct metapage *

)

Definition at line 699 of file jfs_metapage.c.

void hold_metapage

(

struct metapage *

)

Definition at line 723 of file jfs_metapage.c.

void metapage_exit

(

void

)

Definition at line 234 of file jfs_metapage.c.

int metapage_init

(

void

)

Definition at line 213 of file jfs_metapage.c.

void put_metapage

(

struct metapage *

)

Definition at line 728 of file jfs_metapage.c.

void release_metapage

(

struct metapage *

)

Definition at line 742 of file jfs_metapage.c.

Variable Documentation

struct address_space_operations jfs_metapage_aops

Definition at line 583 of file jfs_metapage.c.