inode.c File Reference

#include "fuse_i.h"
#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/file.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/parser.h>
#include <linux/statfs.h>
#include <linux/random.h>
#include <linux/sched.h>
#include <linux/exportfs.h>

Go to the source code of this file.

Data Structures
struct	fuse_mount_data
struct	fuse_inode_handle

Macros
#define	FUSE_SUPER_MAGIC   0x65735546
#define	FUSE_DEFAULT_BLKSIZE   512
#define	FUSE_DEFAULT_MAX_BACKGROUND   12
#define	FUSE_DEFAULT_CONGESTION_THRESHOLD   (FUSE_DEFAULT_MAX_BACKGROUND * 3 / 4)

Enumerations
enum	{   OPT_FD, OPT_ROOTMODE, OPT_USER_ID, OPT_GROUP_ID,   OPT_DEFAULT_PERMISSIONS, OPT_ALLOW_OTHER, OPT_MAX_READ, OPT_BLKSIZE,   OPT_ERR }

Functions
	MODULE_AUTHOR ("Miklos Szeredi <[email protected]>")
	MODULE_DESCRIPTION ("Filesystem in Userspace")
	MODULE_LICENSE ("GPL")
	DEFINE_MUTEX (fuse_mutex)
	module_param_call (max_user_bgreq, set_global_limit, param_get_uint,&max_user_bgreq, 0644)
	__MODULE_PARM_TYPE (max_user_bgreq,"uint")
	MODULE_PARM_DESC (max_user_bgreq,"Global limit for the maximum number of backgrounded requests an ""unprivileged user can set")
	module_param_call (max_user_congthresh, set_global_limit, param_get_uint,&max_user_congthresh, 0644)
	__MODULE_PARM_TYPE (max_user_congthresh,"uint")
	MODULE_PARM_DESC (max_user_congthresh,"Global limit for the maximum congestion threshold an ""unprivileged user can set")
struct fuse_forget_link *	fuse_alloc_forget (void)
void	fuse_change_attributes_common (struct inode *inode, struct fuse_attr *attr, u64 attr_valid)
void	fuse_change_attributes (struct inode *inode, struct fuse_attr *attr, u64 attr_valid, u64 attr_version)
int	fuse_inode_eq (struct inode *inode, void *_nodeidp)
struct inode *	fuse_iget (struct super_block *sb, u64 nodeid, int generation, struct fuse_attr *attr, u64 attr_valid, u64 attr_version)
int	fuse_reverse_inval_inode (struct super_block *sb, u64 nodeid, loff_t offset, loff_t len)
void	fuse_conn_kill (struct fuse_conn *fc)
	EXPORT_SYMBOL_GPL (fuse_conn_kill)
void	fuse_conn_init (struct fuse_conn *fc)
	EXPORT_SYMBOL_GPL (fuse_conn_init)
void	fuse_conn_put (struct fuse_conn *fc)
	EXPORT_SYMBOL_GPL (fuse_conn_put)
struct fuse_conn *	fuse_conn_get (struct fuse_conn *fc)
	EXPORT_SYMBOL_GPL (fuse_conn_get)
	module_init (fuse_init)
	module_exit (fuse_exit)

Variables
struct list_head	fuse_conn_list
unsigned	max_user_bgreq
unsigned	max_user_congthresh

Macro Definition Documentation

#define FUSE_DEFAULT_BLKSIZE   512

Definition at line 52 of file inode.c.

#define FUSE_DEFAULT_CONGESTION_THRESHOLD   (FUSE_DEFAULT_MAX_BACKGROUND * 3 / 4)

Congestion starts at 75% of maximum

Definition at line 58 of file inode.c.

#define FUSE_DEFAULT_MAX_BACKGROUND   12

Maximum number of outstanding background requests

Definition at line 55 of file inode.c.

#define FUSE_SUPER_MAGIC   0x65735546

Definition at line 50 of file inode.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

OPT_FD
OPT_ROOTMODE
OPT_USER_ID
OPT_GROUP_ID
OPT_DEFAULT_PERMISSIONS
OPT_ALLOW_OTHER
OPT_MAX_READ
OPT_BLKSIZE
OPT_ERR

Definition at line 436 of file inode.c.

Function Documentation

__MODULE_PARM_TYPE	(	max_user_bgreq	,
		"uint"
	)

__MODULE_PARM_TYPE	(	max_user_congthresh	,
		"uint"
	)

DEFINE_MUTEX

(

fuse_mutex

)

EXPORT_SYMBOL_GPL

(

fuse_conn_kill

)

EXPORT_SYMBOL_GPL

(

fuse_conn_init

)

EXPORT_SYMBOL_GPL

(

fuse_conn_put

)

EXPORT_SYMBOL_GPL

(

fuse_conn_get

)

struct fuse_forget_link* fuse_alloc_forget ( void  )

read

Definition at line 74 of file inode.c.

void fuse_change_attributes	(	struct inode *	inode,
		struct fuse_attr *	attr,
		u64	attr_valid,
		u64	attr_version
	)

Change attributes of an inode

Definition at line 194 of file inode.c.

void fuse_change_attributes_common	(	struct inode *	inode,
		struct fuse_attr *	attr,
		u64	attr_valid
	)

Definition at line 155 of file inode.c.

struct fuse_conn* fuse_conn_get ( struct fuse_conn *  fc )

read

Acquire reference to fuse_conn

Definition at line 596 of file inode.c.

void fuse_conn_init

(

struct fuse_conn *

fc

)

Initialize fuse_conn

Definition at line 556 of file inode.c.

void fuse_conn_kill

(

struct fuse_conn *

fc

)

Definition at line 359 of file inode.c.

void fuse_conn_put

(

struct fuse_conn *

fc

)

Release reference to fuse_conn

Definition at line 585 of file inode.c.

struct inode* fuse_iget ( struct super_block *  sb, u64  nodeid, int  generation, struct fuse_attr *  attr, u64  attr_valid, u64  attr_version  )

read

Get a filled in inode

Definition at line 276 of file inode.c.

int fuse_inode_eq	(	struct inode *	inode,
		void *	_nodeidp
	)

Inode to nodeid comparison.

Definition at line 260 of file inode.c.

int fuse_reverse_inval_inode	(	struct super_block *	sb,
		u64	nodeid,
		loff_t	offset,
		loff_t	len
	)

File-system tells the kernel to invalidate cache for the given node id.

Definition at line 311 of file inode.c.

MODULE_AUTHOR

(

"Miklos Szeredi <[email protected]>"

)

MODULE_DESCRIPTION

(

"Filesystem in Userspace"

)

module_exit

(

fuse_exit

)

module_init

(

fuse_init

)

MODULE_LICENSE

(

"GPL"

)

module_param_call	(	max_user_bgreq	,
		set_global_limit	,
		param_get_uint	,
		&	max_user_bgreq,
		0644
	)

module_param_call	(	max_user_congthresh	,
		set_global_limit	,
		param_get_uint	,
		&	max_user_congthresh,
		0644
	)

MODULE_PARM_DESC	(	max_user_bgreq	,
		"Global limit for the maximum number of backgrounded requests an ""unprivileged user can set"
	)

MODULE_PARM_DESC	(	max_user_congthresh	,
		"Global limit for the maximum congestion threshold an ""unprivileged user can set"
	)

Variable Documentation

struct list_head fuse_conn_list

List of active connections

Definition at line 29 of file inode.c.

unsigned max_user_bgreq

Module parameters

Definition at line 34 of file inode.c.

unsigned max_user_congthresh

Definition at line 42 of file inode.c.