diff options
| author | Thorsten Lockert <tholo@cvs.openbsd.org> | 1996-07-21 08:05:40 +0000 |
|---|---|---|
| committer | Thorsten Lockert <tholo@cvs.openbsd.org> | 1996-07-21 08:05:40 +0000 |
| commit | 2caa172cc05c0bcfc55223ffd67c1621572cc268 (patch) | |
| tree | c0aa1bafa09c5f66f17137c69463d61f67cbbf32 /sys/kern | |
| parent | d1ca06e9f2af777503835fcef79a3827eef02cd2 (diff) | |
Ensure we never use more than one callout table slot
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/vfs_bio.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 9c84cc77e60..3413619f5ac 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vfs_bio.c,v 1.9 1996/07/02 06:52:01 niklas Exp $ */ +/* $OpenBSD: vfs_bio.c,v 1.10 1996/07/21 08:05:34 tholo Exp $ */ /* $NetBSD: vfs_bio.c,v 1.44 1996/06/11 11:15:36 pk Exp $ */ /*- @@ -395,9 +395,12 @@ bdwrite(bp) * a timeout to flush it to disk */ TAILQ_INSERT_TAIL(&bdirties, bp, b_synclist); - if (bdirties.tqh_first == bp) + if (bdirties.tqh_first == bp) { + untimeout((void (*)__P((void *)))wakeup, + &bdirties); /* XXX */ timeout((void (*)__P((void *)))wakeup, &bdirties, 30 * hz); + } SET(bp->b_flags, B_DELWRI); curproc->p_stats->p_ru.ru_oublock++; /* XXX */ reassignbuf(bp, bp->b_vp); @@ -455,9 +458,12 @@ vn_update() * a wakeup will be scheduled at the time a new * buffer is enqueued */ - if ((bp = bdirties.tqh_first) != NULL) + if ((bp = bdirties.tqh_first) != NULL) { + untimeout((void (*)__P((void *)))wakeup, + &bdirties); /* XXX */ timeout((void (*)__P((void *)))wakeup, &bdirties, (bp->b_synctime - time.tv_sec) * hz); + } tsleep(&bdirties, PZERO - 1, "dirty", 0); /* * Walk the dirty block list, starting an asyncroneous |