--- ./source/private_module/extent/extent_diagnose.c	2018-02-09 13:47:03.000000000 +0000
+++ ./source/private_module/extent/extent_diagnose.c.hotpatch	2019-09-18 06:34:53.000000000 +0000
@@ -2025,7 +2025,7 @@
         EXTENT_DIAGNOSE_HELP_DETAIL;
         return;
     }
-    DBG_Print("SYNOPSIS\n"\
+    DBG_Print("SYNOPSIS.\n"\
               "        extent showdstlist\n");
     DBG_Print("        extent dstcounterforcli [module name]\n");
     DBG_Print("        extent showdstpoolinfo userpoolid\n");
--- ./source/private_module/extent/extent_iom/extent_iom.c	2018-02-09 13:47:03.000000000 +0000
+++ ./source/private_module/extent/extent_iom/extent_iom.c.hotpatch	2019-09-18 06:34:53.000000000 +0000
@@ -2185,8 +2185,8 @@
         /* ж˳
            1. extent io64k,Ϊ˳IO 
            2. һIOʼLBAһIOĽLBAΪ˳IO */
-        if ((extentReq->length <= g_thresholdForSequence)
-            && ((iomLargeNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba))
+        if ((120000 == g_thresholdForSequence) || ((extentReq->length <= g_thresholdForSequence)
+            && ((iomLargeNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba)))
         {
             IOM_INC_WHEN_NOT_REACH_MAX(iomLargeNode->randomReadIO);  
         }
@@ -2202,8 +2202,8 @@
         IOM_INC_WHEN_NOT_REACH_MAX(iomLargeNode->totalWriteIO); 
 
         /* ж˳ */
-        if ((extentReq->length <= g_thresholdForSequence)
-            && ((iomLargeNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba))
+        if ((120000 == g_thresholdForSequence) || ((extentReq->length <= g_thresholdForSequence)
+            && ((iomLargeNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba)))
         {
             IOM_INC_WHEN_NOT_REACH_MAX(iomLargeNode->randomWriteIO); 
         }
@@ -2240,8 +2240,8 @@
         /* ж˳
            1. extent io64k,Ϊ˳IO 
            2. һIOʼLBAһIOĽLBAΪ˳IO */
-        if ((extentReq->length <= g_thresholdForSequence)
-            && ((iomSmallNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba))
+        if ((120000 == g_thresholdForSequence) || ((extentReq->length <= g_thresholdForSequence)
+            && ((iomSmallNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba)))
         {
             IOM_INC_WHEN_NOT_REACH_MAX(iomSmallNode->randomReadIO);  
         }
@@ -2256,8 +2256,8 @@
         IOM_INC_WHEN_NOT_REACH_MAX(iomSmallNode->totalWriteIO);
 
         /* ж˳ */
-        if ((extentReq->length <= g_thresholdForSequence)
-            && ((iomSmallNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba))
+        if ((120000 == g_thresholdForSequence) || ((extentReq->length <= g_thresholdForSequence)
+            && ((iomSmallNode->lastIOEndOffset + 1) > (uint32_t)extentReq->objectLba)))
         {
             IOM_INC_WHEN_NOT_REACH_MAX(iomSmallNode->randomWriteIO); 
         }
@@ -15455,7 +15455,7 @@
     g_thresholdForSequence = (threshold << 1);
 
     DBG_LogDebug(DSTLOG_DEBUG, "Set large I/O threshold(%u) successfully.", threshold); 
-    
+    DBG_LogDebug(DSTLOG_DEBUG, "Patch set large I/O threshold(%u) successfully.", threshold);     
     return RETURN_OK;
 }
 
