diff options
Diffstat (limited to 'drivers/scsi/virtio_scsi.c')
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index dc2e97c543a5..8b93197daefe 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -795,6 +795,16 @@ static int virtscsi_map_queues(struct Scsi_Host *shost) return blk_mq_virtio_map_queues(&shost->tag_set, vscsi->vdev, 2); } +/* + * The host guarantees to respond to each command, although I/O + * latencies might be higher than on bare metal. Reset the timer + * unconditionally to give the host a chance to perform EH. + */ +static enum blk_eh_timer_return virtscsi_eh_timed_out(struct scsi_cmnd *scmnd) +{ + return BLK_EH_RESET_TIMER; +} + static struct scsi_host_template virtscsi_host_template_single = { .module = THIS_MODULE, .name = "Virtio SCSI HBA", @@ -805,6 +815,7 @@ static struct scsi_host_template virtscsi_host_template_single = { .change_queue_depth = virtscsi_change_queue_depth, .eh_abort_handler = virtscsi_abort, .eh_device_reset_handler = virtscsi_device_reset, + .eh_timed_out = virtscsi_eh_timed_out, .slave_alloc = virtscsi_device_alloc, .can_queue = 1024, @@ -825,6 +836,7 @@ static struct scsi_host_template virtscsi_host_template_multi = { .change_queue_depth = virtscsi_change_queue_depth, .eh_abort_handler = virtscsi_abort, .eh_device_reset_handler = virtscsi_device_reset, + .eh_timed_out = virtscsi_eh_timed_out, .can_queue = 1024, .dma_boundary = UINT_MAX, |