Files
ostep-projects/filesystems-distributed/mfs.h
Remzi Arpaci-Dusseau 7c2cd4fdb6 better mfs.h
2021-12-01 17:27:15 -06:00

31 lines
835 B
C

#ifndef __MFS_h__
#define __MFS_h__
#define MFS_DIRECTORY (0)
#define MFS_REGULAR_FILE (1)
#define MFS_BLOCK_SIZE (4096)
typedef struct __MFS_Stat_t {
int type; // MFS_DIRECTORY or MFS_REGULAR
int size; // bytes
// note: no permissions, access times, etc.
} MFS_Stat_t;
typedef struct __MFS_DirEnt_t {
char name[28]; // up to 28 bytes of name in directory (including \0)
int inum; // inode number of entry (-1 means entry not used)
} MFS_DirEnt_t;
int MFS_Init(char *hostname, int port);
int MFS_Lookup(int pinum, char *name);
int MFS_Stat(int inum, MFS_Stat_t *m);
int MFS_Write(int inum, char *buffer, int block);
int MFS_Read(int inum, char *buffer, int block);
int MFS_Creat(int pinum, int type, char *name);
int MFS_Unlink(int pinum, char *name);
int MFS_Shutdown();
#endif // __MFS_h__