| 1 | /* dkleave.c 4.2 81/03/08 */ |
| 2 | |
| 3 | #ifdef INTRLVE |
| 4 | #include "../h/param.h" |
| 5 | #include "../h/buf.h" |
| 6 | |
| 7 | daddr_t |
| 8 | dkblock(bp) |
| 9 | register struct buf *bp; |
| 10 | { |
| 11 | register int dminor; |
| 12 | |
| 13 | if (((dminor=minor(bp->b_dev))&0100) == 0) |
| 14 | return(bp->b_blkno); |
| 15 | dminor >>= 3; |
| 16 | dminor &= 07; |
| 17 | dminor++; |
| 18 | return(bp->b_blkno/dminor); |
| 19 | } |
| 20 | |
| 21 | dkunit(bp) |
| 22 | register struct buf *bp; |
| 23 | { |
| 24 | register int dminor; |
| 25 | |
| 26 | dminor = minor(bp->b_dev) >> 3; |
| 27 | if ((dminor&010) == 0) |
| 28 | return(dminor); |
| 29 | dminor &= 07; |
| 30 | dminor++; |
| 31 | return(bp->b_blkno%dminor); |
| 32 | } |
| 33 | #endif |