cache.c File Reference

#include <linux/jiffies.h>
#include <linux/file.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <net/9p/9p.h>
#include "v9fs.h"
#include "cache.h"

Go to the source code of this file.

Macros
#define	CACHETAG_LEN   11

Functions
void	v9fs_cache_session_get_cookie (struct v9fs_session_info *v9ses)
void	v9fs_cache_session_put_cookie (struct v9fs_session_info *v9ses)
void	v9fs_cache_inode_get_cookie (struct inode *inode)
void	v9fs_cache_inode_put_cookie (struct inode *inode)
void	v9fs_cache_inode_flush_cookie (struct inode *inode)
void	v9fs_cache_inode_set_cookie (struct inode *inode, struct file *filp)
void	v9fs_cache_inode_reset_cookie (struct inode *inode)
int	__v9fs_fscache_release_page (struct page *page, gfp_t gfp)
void	__v9fs_fscache_invalidate_page (struct page *page)
int	__v9fs_readpage_from_fscache (struct inode *inode, struct page *page)
int	__v9fs_readpages_from_fscache (struct inode *inode, struct address_space *mapping, struct list_head *pages, unsigned *nr_pages)
void	__v9fs_readpage_to_fscache (struct inode *inode, struct page *page)
void	__v9fs_fscache_wait_on_page_write (struct inode *inode, struct page *page)

Variables
struct fscache_netfs	v9fs_cache_netfs
struct fscache_cookie_def	v9fs_cache_session_index_def
struct fscache_cookie_def	v9fs_cache_inode_index_def

Macro Definition Documentation

#define CACHETAG_LEN   11

Definition at line 34 of file cache.c.

Function Documentation

void __v9fs_fscache_invalidate_page

(

struct page *

page

)

Definition at line 291 of file cache.c.

int __v9fs_fscache_release_page	(	struct page *	page,
		gfp_t	gfp
	)

Definition at line 281 of file cache.c.

void __v9fs_fscache_wait_on_page_write	(	struct inode *	inode,
		struct page *	page
	)

Definition at line 409 of file cache.c.

int __v9fs_readpage_from_fscache	(	struct inode *	inode,
		struct page *	page
	)

__v9fs_readpage_from_fscache - read a page from cache

Returns 0 if the pages are in cache and a BIO is submitted, 1 if the pages are not in cache and -error otherwise.

Definition at line 321 of file cache.c.

void __v9fs_readpage_to_fscache	(	struct inode *	inode,
		struct page *	page
	)

__v9fs_readpage_to_fscache - write a page to the cache

Definition at line 394 of file cache.c.

int __v9fs_readpages_from_fscache	(	struct inode *	inode,
		struct address_space *	mapping,
		struct list_head *	pages,
		unsigned *	nr_pages
	)

__v9fs_readpages_from_fscache - read multiple pages from cache

Returns 0 if the pages are in cache and a BIO is submitted, 1 if the pages are not in cache and -error otherwise.

Definition at line 356 of file cache.c.

void v9fs_cache_inode_flush_cookie

(

struct inode *

inode

)

Definition at line 226 of file cache.c.

void v9fs_cache_inode_get_cookie

(

struct inode *

inode

)

Definition at line 192 of file cache.c.

void v9fs_cache_inode_put_cookie

(

struct inode *

inode

)

Definition at line 213 of file cache.c.

void v9fs_cache_inode_reset_cookie

(

struct inode *

inode

)

Definition at line 257 of file cache.c.

void v9fs_cache_inode_set_cookie	(	struct inode *	inode,
		struct file *	filp
	)

Definition at line 239 of file cache.c.

void v9fs_cache_session_get_cookie

(

struct v9fs_session_info *

v9ses

)

Definition at line 85 of file cache.c.

void v9fs_cache_session_put_cookie

(

struct v9fs_session_info *

v9ses

)

Definition at line 98 of file cache.c.

Variable Documentation

struct fscache_cookie_def v9fs_cache_inode_index_def

Initial value:

= {
    .name       = "9p.inode",
    .type       = FSCACHE_COOKIE_TYPE_DATAFILE,
    .get_key    = v9fs_cache_inode_get_key,
    .get_attr   = v9fs_cache_inode_get_attr,
    .get_aux    = v9fs_cache_inode_get_aux,
    .check_aux  = v9fs_cache_inode_check_aux,
    .now_uncached   = v9fs_cache_inode_now_uncached,
}

Definition at line 182 of file cache.c.

struct fscache_netfs v9fs_cache_netfs

Initial value:

= {
    .name       = "9p",
    .version    = 0,
}

Definition at line 36 of file cache.c.

struct fscache_cookie_def v9fs_cache_session_index_def

Initial value:

= {
    .name       = "9P.session",
    .type       = FSCACHE_COOKIE_TYPE_INDEX,
    .get_key    = v9fs_cache_session_get_key,
}

Definition at line 79 of file cache.c.