[SCSI] lpfc 8.3.30: Revert fix for Link Pull Causes I/O Failures

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 2e65168..88f3a83 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -4187,15 +4187,6 @@
 		cmnd->result = err;
 		goto out_fail_command;
 	}
-	/*
-	 * Do not let the mid-layer retry I/O too fast. If an I/O is retried
-	 * without waiting a bit then indicate that the device is busy.
-	 */
-	if (cmnd->retries &&
-	    time_before(jiffies, (cmnd->jiffies_at_alloc +
-				  msecs_to_jiffies(LPFC_RETRY_PAUSE *
-						   cmnd->retries))))
-		return SCSI_MLQUEUE_DEVICE_BUSY;
 	ndlp = rdata->pnode;
 
 	if ((scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) &&
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index e2e3304..21a2ffe 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -164,5 +164,4 @@
 
 #define LPFC_SCSI_DMA_EXT_SIZE 264
 #define LPFC_BPL_SIZE          1024
-#define LPFC_RETRY_PAUSE       300
 #define MDAC_DIRECT_CMD                  0x22