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- /*
- * Definition of the unix super block.
- * The root super block is allocated and
- * read in iinit/alloc.c. Subsequently
- * a super block is allocated and read
- * with each mount (smount/sys3.c) and
- * released with unmount (sumount/sys3.c).
- * A disk block is ripped off for storage.
- * See alloc.c for general alloc/free
- * routines for free list and I list.
- */
- struct filsys
- {
- int s_isize; /* size in blocks of I list */
- int s_fsize; /* size in blocks of entire volume */
- int s_nfree; /* number of in core free blocks (0-100) */
- int s_free[100]; /* in core free blocks */
- int s_ninode; /* number of in core I nodes (0-100) */
- int s_inode[100]; /* in core free I nodes */
- char s_flock; /* lock during free list manipulation */
- char s_ilock; /* lock during I list manipulation */
- char s_fmod; /* super block modified flag */
- char s_ronly; /* mounted read-only flag */
- int s_time[2]; /* current date of last update */
- int pad[50];
- };
-