xv6/fsvar.h
2007-08-24 19:52:49 +00:00

24 lines
469 B
C

// in-core file system types
struct inode {
uint dev; // Device number
uint inum; // Inode number
int ref; // Reference count
int flags; // I_BUSY, I_VALID
short type; // copy of disk inode
short major;
short minor;
short nlink;
uint size;
uint addrs[NADDRS];
};
// unlocked inode - only dev and inum are available
struct uinode {
uint dev;
uint inum;
};
#define I_BUSY 0x1
#define I_VALID 0x2