inflightIO: fix crash due to missing member

commit 079a2e3e8625("blk-mq: Change shared sbitmap naming to shared tags") renamed "nr_active_requests_shared_sbitmap" to "nr_active_requests_shared_tags". Orabug: 37393601 Signed-off-by: Junxiao Bi <[email protected]>
oracle-samples · Dec 16, 2024 · 2388184 · 2388184
1 parent 8e87cbf
commit 2388184
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/drgn_tools/block.py b/drgn_tools/block.py
@@ -624,7 +624,12 @@ def get_inflight_io_nr(prog: drgn.Program, disk: Object) -> int:
         # hwq.tags were shared across different disks from same hba host.
         if (hwq.flags & BLK_MQ_F_TAG_SHARED) != 0:
             if (hwq.flags & BLK_MQ_F_TAG_HCTX_SHARED) != 0:
-                nr += hwq.queue.nr_active_requests_shared_tags.counter
+                # starting commit 079a2e3e8625, "nr_active_requests_shared_sbitmap"
+                # was renamed to "nr_active_requests_shared_tags".
+                if has_member(hwq.queue, "nr_active_requests_shared_tags"):
+                    nr += hwq.queue.nr_active_requests_shared_tags.counter
+                else:
+                    nr += hwq.queue.nr_active_requests_shared_sbitmap.counter
             else:
                 nr += hwq.nr_active.counter
         else: