diff options
Diffstat (limited to 'sys/geom')
| -rw-r--r-- | sys/geom/geom_io.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/geom/geom_io.c b/sys/geom/geom_io.c index 7b5b115..19d5de7 100644 --- a/sys/geom/geom_io.c +++ b/sys/geom/geom_io.c @@ -315,10 +315,12 @@ g_io_schedule_down(struct thread *tp __unused) struct bio *bp; off_t excess; int error; +#ifdef WITNESS struct mtx mymutex; bzero(&mymutex, sizeof mymutex); mtx_init(&mymutex, "g_xdown", NULL, MTX_DEF); +#endif for(;;) { g_bioq_lock(&g_bio_run_down); @@ -357,9 +359,13 @@ g_io_schedule_down(struct thread *tp __unused) default: break; } +#ifdef WITNESS mtx_lock(&mymutex); +#endif bp->bio_to->geom->start(bp); +#ifdef WITNESS mtx_unlock(&mymutex); +#endif } } @@ -384,26 +390,36 @@ void g_io_schedule_up(struct thread *tp __unused) { struct bio *bp; +#ifdef WITNESS struct mtx mymutex; bzero(&mymutex, sizeof mymutex); mtx_init(&mymutex, "g_xup", NULL, MTX_DEF); +#endif for(;;) { g_bioq_lock(&g_bio_run_up); bp = g_bioq_first(&g_bio_run_task); if (bp != NULL) { g_bioq_unlock(&g_bio_run_up); +#ifdef WITNESS mtx_lock(&mymutex); +#endif bp->bio_task(bp->bio_task_arg); +#ifdef WITNESS mtx_unlock(&mymutex); +#endif continue; } bp = g_bioq_first(&g_bio_run_up); if (bp != NULL) { g_bioq_unlock(&g_bio_run_up); +#ifdef WITNESS mtx_lock(&mymutex); +#endif biodone(bp); +#ifdef WITNESS mtx_unlock(&mymutex); +#endif continue; } msleep(&g_wait_up, &g_bio_run_up.bio_queue_lock, |
