pintos/src/filesys/free-map.c File Reference

#include "filesys/free-map.h"
#include <bitmap.h>
#include <debug.h>
#include "filesys/file.h"
#include "filesys/filesys.h"
#include "filesys/inode.h"

Go to the source code of this file.

Functions
void	free_map_init (void)
bool	free_map_allocate (size_t cnt, block_sector_t *sectorp)
void	free_map_release (block_sector_t sector, size_t cnt)
void	free_map_open (void)
void	free_map_close (void)
void	free_map_create (void)
Variables
static struct file *	free_map_file
static struct bitmap *	free_map

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Function Documentation

bool free_map_allocate	(	size_t	cnt,
		block_sector_t *	sectorp
	)

Definition at line 28 of file free-map.c.

References BITMAP_ERROR, bitmap_scan_and_flip(), bitmap_set_multiple(), and NULL.

Referenced by filesys_create(), and inode_create().

void free_map_close

(

void

)

Definition at line 65 of file free-map.c.

References file_close().

Referenced by do_format(), and filesys_done().

void free_map_create

(

void

)

Definition at line 73 of file free-map.c.

References file_open(), FREE_MAP_SECTOR, inode_create(), inode_open(), NULL, and PANIC.

Referenced by do_format().

void free_map_init

(

void

)

Definition at line 14 of file free-map.c.

References bitmap_create(), bitmap_mark(), block_size(), FREE_MAP_SECTOR, fs_device, NULL, PANIC, and ROOT_DIR_SECTOR.

Referenced by filesys_init().

void free_map_open

(

void

)

Definition at line 54 of file free-map.c.

References file_open(), FREE_MAP_SECTOR, inode_open(), NULL, and PANIC.

Referenced by filesys_init().

void free_map_release	(	block_sector_t	sector,
		size_t	cnt
	)

Definition at line 45 of file free-map.c.

References ASSERT, bitmap_all(), and bitmap_set_multiple().

Referenced by filesys_create(), and inode_close().

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Variable Documentation

struct bitmap* free_map [static]

Definition at line 10 of file free-map.c.

struct file* free_map_file [static]

Definition at line 9 of file free-map.c.