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Don't count iterations while waiting for a lock to become free.

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This commit is contained in:
Greg Lehey 1999-09-28 22:56:04 +00:00
parent aa1c16b781
commit 667b5ca097
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=51778
1 changed files with 10 additions and 11 deletions
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21
sys/dev/vinum/vinumlock.c
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@ -236,20 +236,19 @@ lockrange(daddr_t stripe, struct buf *bp, struct plex *plex)
* conflict would be an additional
* schedule and time through this loop.
*/
while (lock->stripe) { /* wait for it to become free */
#ifdef VINUMDEBUG
if (debug & DEBUG_LASTREQS) {
struct rangelock info;
if (debug & DEBUG_LASTREQS) {
struct rangelock info;
info.stripe = stripe;
info.bp = bp;
info.plexno = plex->plexno;
logrq(loginfo_lockwait, (union rqinfou) &info, bp);
}
#endif
tsleep((void *) lock->stripe, PRIBIO | PCATCH, "vrlock", 2 * hz);
plex->lockwaits++; /* waited one more time */
info.stripe = stripe;
info.bp = bp;
info.plexno = plex->plexno;
logrq(loginfo_lockwait, (union rqinfou) &info, bp);
}
#endif
plex->lockwaits++; /* waited one more time */
while (lock->stripe) /* wait for it to become free */
tsleep((void *) lock->stripe, PRIBIO | PCATCH, "vrlock", 2 * hz);
break; /* out of the inner level loop */
}
} else {