fs.c File Reference

#include "types.h"
#include "defs.h"
#include "param.h"
#include "stat.h"
#include "mmu.h"
#include "proc.h"
#include "spinlock.h"
#include "fs.h"
#include "buf.h"
#include "file.h"

Go to the source code of this file.

Macros
#define	min(a, b)   ((a) < (b) ? (a) : (b))

Functions
void	readsb (int dev, struct superblock *sb)
void	iinit (int dev)
struct inode *	ialloc (uint dev, short type)
void	iupdate (struct inode *ip)
struct inode *	idup (struct inode *ip)
void	ilock (struct inode *ip)
void	iunlock (struct inode *ip)
void	iput (struct inode *ip)
void	iunlockput (struct inode *ip)
void	stati (struct inode *ip, struct stat *st)
int	readi (struct inode *ip, char *dst, uint off, uint n)
int	writei (struct inode *ip, char *src, uint off, uint n)
int	namecmp (const char *s, const char *t)
struct inode *	dirlookup (struct inode *dp, char *name, uint *poff)
int	dirlink (struct inode *dp, char *name, uint inum)
struct inode *	namei (char *path)
struct inode *	nameiparent (char *path, char *name)

Variables
struct superblock	sb
struct {
struct spinlock   lock
struct inode   inode [NINODE]
}	icache

Macro Definition Documentation

#define min	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Definition at line 23 of file fs.c.

Function Documentation

int dirlink	(	struct inode *	dp,
		char *	name,
		uint	inum
	)

Definition at line 533 of file fs.c.

struct inode* dirlookup	(	struct inode *	dp,
		char *	name,
		uint *	poff
	)

Definition at line 506 of file fs.c.

struct inode* ialloc	(	uint	dev,
		short	type
	)

Definition at line 177 of file fs.c.

struct inode* idup

(

struct inode *

ip)

Definition at line 256 of file fs.c.

void iinit

(

int

dev)

Definition at line 163 of file fs.c.

void ilock

(

struct inode *

ip)

Definition at line 267 of file fs.c.

void iput

(

struct inode *

ip)

Definition at line 318 of file fs.c.

void iunlock

(

struct inode *

ip)

Definition at line 299 of file fs.c.

void iunlockput

(

struct inode *

ip)

Definition at line 340 of file fs.c.

void iupdate

(

struct inode *

ip)

Definition at line 200 of file fs.c.

int namecmp	(	const char *	s,
		const char *	t
	)

Definition at line 498 of file fs.c.

struct inode* namei

(

char *

path)

Definition at line 641 of file fs.c.

struct inode* nameiparent	(	char *	path,
		char *	name
	)

Definition at line 648 of file fs.c.

int readi	(	struct inode *	ip,
		char *	dst,
		uint	off,
		uint	n
	)

Definition at line 435 of file fs.c.

void readsb	(	int	dev,
		struct superblock *	sb
	)

Definition at line 29 of file fs.c.

void stati	(	struct inode *	ip,
		struct stat *	st
	)

Definition at line 423 of file fs.c.

int writei	(	struct inode *	ip,
		char *	src,
		uint	off,
		uint	n
	)

Definition at line 463 of file fs.c.

Variable Documentation

struct { ... } icache

struct inode inode[NINODE]

Definition at line 159 of file fs.c.

struct spinlock lock

Definition at line 158 of file fs.c.

struct superblock sb

Definition at line 25 of file fs.c.