diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 5dfd7495d1a..4037fd5b1e0 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1378,16 +1378,19 @@ static int scsi_lld_busy(struct request_queue *q) { struct scsi_device *sdev = q->queuedata; struct Scsi_Host *shost; - struct scsi_target *starget; if (!sdev) return 0; shost = sdev->host; - starget = scsi_target(sdev); - if (scsi_host_in_recovery(shost) || scsi_host_is_busy(shost) || - scsi_target_is_busy(starget) || scsi_device_is_busy(sdev)) + /* + * Ignore host/starget busy state. + * Since block layer does not have a concept of fairness across + * multiple queues, congestion of host/starget needs to be handled + * in SCSI layer. + */ + if (scsi_host_in_recovery(shost) || scsi_device_is_busy(sdev)) return 1; return 0; |