BUF_TIMELOCK
error = BUF_TIMELOCK(bp,
error = BUF_TIMELOCK(bp, LK_EXCLUSIVE | LK_NOWAIT, NULL, "getblku", 0,
error = BUF_TIMELOCK(bp, lockflags,
error = BUF_TIMELOCK(bp,
error = BUF_TIMELOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL |