bk commit into 5.1 tree (jonas:1.2374) BUG#19244

[jonas]

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ChangeSet
  1.2374 06/04/21 06:51:58 jonas@stripped +2 -0
  ndb -
    fix bug#19244, dd page got locked in page cache
    likely fix bug 18780

  storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp
    1.15 06/04/21 06:51:55 jonas@stripped +8 -0
    Set page to dirty when aborting prealloc

  storage/ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp
    1.16 06/04/21 06:51:55 jonas@stripped +29 -4
    Fix so that insert/delete on DD does not lock page forever in memory

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/51-work

--- 1.14/storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp	2006-03-02 16:44:09 +01:00
+++ 1.15/storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp	2006-04-21 06:51:55 +02:00
@@ -1053,6 +1053,7 @@
   Ptr<Fragrecord> fragPtr;
   getFragmentrec(fragPtr, pagePtr.p->m_fragment_id, tabPtr.p);
 
+  disk_page_set_dirty(pagePtr);
   disk_page_abort_prealloc_callback_1(signal, fragPtr.p, pagePtr, sz);
 }
 
@@ -1074,6 +1075,13 @@
   ddassert(alloc.calc_page_free_bits(free - used) == old_idx);
   Uint32 new_idx = alloc.calc_page_free_bits(free - used + sz);
 
+#ifdef VM_TRACE
+  Local_key key;
+  key.m_page_no = pagePtr.p->m_page_no;
+  key.m_file_no = pagePtr.p->m_file_no;
+  ndbout << "disk_page_abort_prealloc_callback_1" << key << endl;
+#endif
+  
   Ptr<Extent_info> extentPtr;
   c_extent_pool.getPtr(extentPtr, ext);
   if (old_idx != new_idx)

--- 1.15/storage/ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp	2006-02-14 08:09:42 +01:00
+++ 1.16/storage/ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp	2006-04-21 06:51:55 +02:00
@@ -473,13 +473,16 @@
   ptrCheckGuard(regTabPtr, no_of_tablerec, tablerec);
 
   PagePtr page;
-  Tuple_header* tuple_ptr= 0;
+  Tuple_header* tuple_ptr= (Tuple_header*)
+    get_ptr(&page, &regOperPtr.p->m_tuple_location, regTabPtr.p);
+  
+  bool get_page = false;
   if(regOperPtr.p->op_struct.m_load_diskpage_on_commit)
   {
+    Page_cache_client::Request req;
     ndbassert(regOperPtr.p->is_first_operation() && 
 	      regOperPtr.p->is_last_operation());
 
-    Page_cache_client::Request req;
     /**
      * Check for page
      */
@@ -490,15 +493,33 @@
       
       memcpy(&req.m_page, 
 	     tmp->get_disk_ref_ptr(regTabPtr.p), sizeof(Local_key));
+
+      if (unlikely(regOperPtr.p->op_struct.op_type == ZDELETE &&
+		   tmp->m_header_bits & Tuple_header::DISK_ALLOC))
+      {
+	jam();
+	/**
+	 * Insert+Delete
+	 */
+	regOperPtr.p->op_struct.m_load_diskpage_on_commit = 0;
+	regOperPtr.p->op_struct.m_wait_log_buffer = 0;	
+	disk_page_abort_prealloc(signal, regFragPtr.p, 
+				 &req.m_page, req.m_page.m_page_idx);
+	
+	c_lgman->free_log_space(regFragPtr.p->m_logfile_group_id, 
+				regOperPtr.p->m_undo_buffer_space);
+	ndbout_c("insert+delete");
+	goto skip_disk;
+      }
     } 
     else
     {
       // initial delete
       ndbassert(regOperPtr.p->op_struct.op_type == ZDELETE);
-      tuple_ptr= (Tuple_header*)
-	get_ptr(&page, &regOperPtr.p->m_tuple_location, regTabPtr.p);
       memcpy(&req.m_page, 
 	     tuple_ptr->get_disk_ref_ptr(regTabPtr.p), sizeof(Local_key));
+      
+      ndbassert(tuple_ptr->m_header_bits & Tuple_header::DISK_PART);
     }
     req.m_callback.m_callbackData= regOperPtr.i;
     req.m_callback.m_callbackFunction = 
@@ -522,6 +543,7 @@
       ndbrequire("NOT YET IMPLEMENTED" == 0);
       break;
     }
+    get_page = true;
     disk_page_set_dirty(*(Ptr<Page>*)&m_pgman.m_ptr);
     regOperPtr.p->m_commit_disk_callback_page= res;
     regOperPtr.p->op_struct.m_load_diskpage_on_commit= 0;
@@ -555,6 +577,7 @@
     tuple_ptr = (Tuple_header*)
       get_ptr(&page, &regOperPtr.p->m_tuple_location,regTabPtr.p);
   }
+skip_disk:
   req_struct.m_tuple_ptr = tuple_ptr;
   
   if(get_tuple_state(regOperPtr.p) == TUPLE_PREPARED)
@@ -599,6 +622,8 @@
     else
     {
       removeActiveOpList(regOperPtr.p, tuple_ptr);
+      if (get_page)
+	ndbassert(tuple_ptr->m_header_bits & Tuple_header::DISK_PART);
       dealloc_tuple(signal, gci, page.p, tuple_ptr, 
 		    regOperPtr.p, regFragPtr.p, regTabPtr.p); 
     }