Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ffec28a3e959b156ea5906838a8897e27c8bbf22
Commit: ffec28a3e959b156ea5906838a8897e27c8bbf22
Parent: 7aef45ac92f49e76d990b51b7ecd714b9a608be1
Author: Andrew Vasquez <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 29 10:22:27 2007 -0800
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Wed Jan 31 11:13:45 2007 -0600
[SCSI] qla2xxx: Enable queue-full throttling when UNDERRUN detected.
As ISP24xx firmware can return a CS_DATA_UNDERRUN completion
status when the storage has returned a
SAM_STAT_TASK_SET_FULL scsi-status.
Signed-off-by: Andrew Vasquez <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/scsi/qla2xxx/qla_isr.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 6e19769..df69dc0 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -987,6 +987,22 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
if (lscsi_status != 0) {
cp->result = DID_OK << 16 | lscsi_status;
+ if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld): QUEUE FULL status detected "
+ "0x%x-0x%x.\n", ha->host_no, comp_status,
+ scsi_status));
+
+ /*
+ * Adjust queue depth for all luns on the
+ * port.
+ */
+ fcport->last_queue_full = jiffies;
+ starget_for_each_device(
+ cp->device->sdev_target, fcport,
+ qla2x00_adjust_sdev_qdepth_down);
+ break;
+ }
if (lscsi_status != SS_CHECK_CONDITION)
break;
-
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