| 1322 | #endif |
| 1323 | |
| 1324 | static int |
| 1325 | isbufbusy(struct buf *bp) |
| 1326 | { |
| 1327 | if (((bp->b_flags & B_INVAL) == 0 && BUF_ISLOCKED(bp)) || |
| 1328 | ((bp->b_flags & (B_DELWRI | B_INVAL)) == B_DELWRI)) |
| 1329 | return (1); |
| 1330 | return (0); |
| 1331 | } |
| 1332 | |
| 1333 | /* |
| 1334 | * Shutdown the system cleanly to prepare for reboot, halt, or power off. |