diff options
Diffstat (limited to 'drivers/scsi/scsi.c')
| -rw-r--r-- | drivers/scsi/scsi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index dd098cad337b..a60da5555577 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -940,10 +940,16 @@ EXPORT_SYMBOL(scsi_adjust_queue_depth); */ int scsi_track_queue_full(struct scsi_device *sdev, int depth) { - if ((jiffies >> 4) == sdev->last_queue_full_time) + + /* + * Don't let QUEUE_FULLs on the same + * jiffies count, they could all be from + * same event. + */ + if ((jiffies >> 4) == (sdev->last_queue_full_time >> 4)) return 0; - sdev->last_queue_full_time = (jiffies >> 4); + sdev->last_queue_full_time = jiffies; if (sdev->last_queue_full_depth != depth) { sdev->last_queue_full_count = 1; sdev->last_queue_full_depth = depth; |