diff options
Diffstat (limited to 'sys/geom/geom_io.c')
| -rw-r--r-- | sys/geom/geom_io.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/geom/geom_io.c b/sys/geom/geom_io.c index aa1e7d7..165232b 100644 --- a/sys/geom/geom_io.c +++ b/sys/geom/geom_io.c @@ -60,6 +60,8 @@ static struct g_bioq g_bio_run_down; static struct g_bioq g_bio_run_up; static struct g_bioq g_bio_idle; +static u_int pace; + #include <machine/atomic.h> static void @@ -314,6 +316,14 @@ g_io_deliver(struct bio *bp, int error) (intmax_t)bp->bio_offset, (intmax_t)bp->bio_length); /* finish_stats(&bp->stats); */ + if (error == ENOMEM) { + printf("ENOMEM %p on %p(%s)\n", + bp, bp->bio_to, bp->bio_to->name); + g_io_request(bp, bp->bio_from); + pace++; + return; + } + bp->bio_error = error; g_bioq_enqueue_tail(bp, &g_bio_run_up); @@ -331,6 +341,10 @@ g_io_schedule_down(struct thread *tp __unused) if (bp == NULL) break; bp->bio_to->geom->start(bp); + if (pace) { + pace--; + break; + } } } |
