fscache.h File Reference

#include <linux/fs.h>
#include <linux/list.h>
#include <linux/pagemap.h>
#include <linux/pagevec.h>

Go to the source code of this file.

Data Structures
struct	fscache_cookie_def
struct	fscache_netfs

Macros
#define	fscache_available()   (0)
#define	fscache_cookie_valid(cookie)   (0)
#define	PageFsCache(page)   PagePrivate2((page))
#define	SetPageFsCache(page)   SetPagePrivate2((page))
#define	ClearPageFsCache(page)   ClearPagePrivate2((page))
#define	TestSetPageFsCache(page)   TestSetPagePrivate2((page))
#define	TestClearPageFsCache(page)   TestClearPagePrivate2((page))
#define	FSCACHE_INDEX_DEADFILL_PATTERN   0x79
#define	FSCACHE_COOKIE_TYPE_INDEX   0
#define	FSCACHE_COOKIE_TYPE_DATAFILE   1

Typedefs
typedef void(*	fscache_rw_complete_t )(struct page *page, void *context, int error)

Enumerations
enum	fscache_checkaux { FSCACHE_CHECKAUX_OKAY, FSCACHE_CHECKAUX_NEEDS_UPDATE, FSCACHE_CHECKAUX_OBSOLETE }

Functions
int	__fscache_register_netfs (struct fscache_netfs *)
void	__fscache_unregister_netfs (struct fscache_netfs *)
struct fscache_cache_tag *	__fscache_lookup_cache_tag (const char *)
void	__fscache_release_cache_tag (struct fscache_cache_tag *)
struct fscache_cookie *	__fscache_acquire_cookie (struct fscache_cookie *, const struct fscache_cookie_def *, void *)
void	__fscache_relinquish_cookie (struct fscache_cookie *, int)
void	__fscache_update_cookie (struct fscache_cookie *)
int	__fscache_attr_changed (struct fscache_cookie *)
int	__fscache_read_or_alloc_page (struct fscache_cookie *, struct page *, fscache_rw_complete_t, void *, gfp_t)
int	__fscache_read_or_alloc_pages (struct fscache_cookie *, struct address_space *, struct list_head *, unsigned *, fscache_rw_complete_t, void *, gfp_t)
int	__fscache_alloc_page (struct fscache_cookie *, struct page *, gfp_t)
int	__fscache_write_page (struct fscache_cookie *, struct page *, gfp_t)
void	__fscache_uncache_page (struct fscache_cookie *, struct page *)
bool	__fscache_check_page_write (struct fscache_cookie *, struct page *)
void	__fscache_wait_on_page_write (struct fscache_cookie *, struct page *)
bool	__fscache_maybe_release_page (struct fscache_cookie *, struct page *, gfp_t)
void	__fscache_uncache_all_inode_pages (struct fscache_cookie *, struct inode *)
: The name of the tag to search for
fscache_lookup_cache_tag - Look up a cache tag Acquire a specific cache referral tag that can be used to select a specific cache in which to cache an index. See Documentation/filesystems/caching/netfs-api.txt for a complete description.

Macro Definition Documentation

#define ClearPageFsCache

(

page

)

ClearPagePrivate2((page))

Definition at line 41 of file fscache.h.

#define fscache_available

(

)

(0)

Definition at line 30 of file fscache.h.

#define FSCACHE_COOKIE_TYPE_DATAFILE   1

Definition at line 74 of file fscache.h.

#define FSCACHE_COOKIE_TYPE_INDEX   0

Definition at line 73 of file fscache.h.

#define fscache_cookie_valid

(

cookie

)

(0)

Definition at line 31 of file fscache.h.

#define FSCACHE_INDEX_DEADFILL_PATTERN   0x79

Definition at line 46 of file fscache.h.

#define PageFsCache

(

page

)

PagePrivate2((page))

Definition at line 39 of file fscache.h.

#define SetPageFsCache

(

page

)

SetPagePrivate2((page))

Definition at line 40 of file fscache.h.

#define TestClearPageFsCache

(

page

)

TestClearPagePrivate2((page))

Definition at line 43 of file fscache.h.

#define TestSetPageFsCache

(

page

)

TestSetPagePrivate2((page))

Definition at line 42 of file fscache.h.

Typedef Documentation

typedef void(* fscache_rw_complete_t)(struct page *page, void *context, int error)

Definition at line 53 of file fscache.h.

Enumeration Type Documentation

enum fscache_checkaux

Enumerator:

FSCACHE_CHECKAUX_OKAY
FSCACHE_CHECKAUX_NEEDS_UPDATE
FSCACHE_CHECKAUX_OBSOLETE

Definition at line 58 of file fscache.h.

Function Documentation

struct fscache_cookie* __fscache_acquire_cookie ( struct fscache_cookie *  , const struct fscache_cookie_def *  , void *    )

read

Definition at line 58 of file cookie.c.

int __fscache_alloc_page	(	struct fscache_cookie *	,
		struct page *	,
		gfp_t
	)

Definition at line 562 of file page.c.

int __fscache_attr_changed

(

struct fscache_cookie *

)

Definition at line 171 of file page.c.

bool __fscache_check_page_write	(	struct fscache_cookie *	,
		struct page *
	)

Definition at line 23 of file page.c.

struct fscache_cache_tag* __fscache_lookup_cache_tag ( const char *  )

read

Definition at line 27 of file cache.c.

bool __fscache_maybe_release_page	(	struct fscache_cookie *	,
		struct page *	,
		gfp_t
	)

Definition at line 50 of file page.c.

int __fscache_read_or_alloc_page	(	struct fscache_cookie *	,
		struct page *	,
		fscache_rw_complete_t	,
		void *	,
		gfp_t
	)

Definition at line 339 of file page.c.

int __fscache_read_or_alloc_pages	(	struct fscache_cookie *	,
		struct address_space *	,
		struct list_head *	,
		unsigned *	,
		fscache_rw_complete_t	,
		void *	,
		gfp_t
	)

Definition at line 456 of file page.c.

int __fscache_register_netfs

(

struct fscache_netfs *

)

Definition at line 22 of file netfs.c.

void __fscache_release_cache_tag

(

struct fscache_cache_tag *

)

Definition at line 73 of file cache.c.

void __fscache_relinquish_cookie	(	struct fscache_cookie *	,
		int
	)

Definition at line 411 of file cookie.c.

void __fscache_uncache_all_inode_pages	(	struct fscache_cookie *	,
		struct inode *
	)

Definition at line 962 of file page.c.

void __fscache_uncache_page	(	struct fscache_cookie *	,
		struct page *
	)

Definition at line 870 of file page.c.

void __fscache_unregister_netfs

(

struct fscache_netfs *

)

Definition at line 87 of file netfs.c.

void __fscache_update_cookie

(

struct fscache_cookie *

)

Definition at line 375 of file cookie.c.

void __fscache_wait_on_page_write	(	struct fscache_cookie *	,
		struct page *
	)

Definition at line 38 of file page.c.

int __fscache_write_page	(	struct fscache_cookie *	,
		struct page *	,
		gfp_t
	)

Definition at line 747 of file page.c.