diff options
| -rw-r--r-- | include/trace/events/netfs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h index 76bd42a96815..1d7c52821e55 100644 --- a/include/trace/events/netfs.h +++ b/include/trace/events/netfs.h @@ -448,7 +448,8 @@ TRACE_EVENT(netfs_folio, ), TP_fast_assign( - __entry->ino = folio->mapping->host->i_ino; + struct address_space *__m = READ_ONCE(folio->mapping); + __entry->ino = __m ? __m->host->i_ino : 0; __entry->why = why; __entry->index = folio_index(folio); __entry->nr = folio_nr_pages(folio); |