CS318 - Pintos
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free-map.h
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1 #ifndef FILESYS_FREE_MAP_H
2 #define FILESYS_FREE_MAP_H
3 
4 #include <stdbool.h>
5 #include <stddef.h>
6 #include "devices/block.h"
7 
8 void free_map_init (void);
9 void free_map_read (void);
10 void free_map_create (void);
11 void free_map_open (void);
12 void free_map_close (void);
13 
14 bool free_map_allocate (size_t, block_sector_t *);
15 void free_map_release (block_sector_t, size_t);
16 
17 #endif /**< filesys/free-map.h */
block.h
free_map_open
void free_map_open(void)
Opens the free map file and reads it from disk.
Definition: free-map.c:54
free_map_read
void free_map_read(void)
stdbool.h
block_sector_t
uint32_t block_sector_t
Index of a block device sector.
Definition: block.h:15
free_map_allocate
bool free_map_allocate(size_t, block_sector_t *)
Allocates CNT consecutive sectors from the free map and stores the first into *SECTORP.
Definition: free-map.c:28
free_map_create
void free_map_create(void)
Creates a new free map file on disk and writes the free map to it.
Definition: free-map.c:73
free_map_init
void free_map_init(void)
Initializes the free map.
Definition: free-map.c:13
free_map_release
void free_map_release(block_sector_t, size_t)
filesys/free-map.h
Definition: free-map.c:45
stddef.h
free_map_close
void free_map_close(void)
Writes the free map to disk and closes the free map file.
Definition: free-map.c:65
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