--- a/nss/nss/lib/sqlite/sqlite3.c
+++ b/nss/nss/lib/sqlite/sqlite3.c
@@ -36136,6 +36136,15 @@
 static int full_fsync(int fd, int fullSync, int dataOnly){
   int rc;
 
+  static int disabledKnown = 0, disabled = 0;
+  if (!disabledKnown)
+  {
+    disabled = getenv("SAL_DISABLE_FSYNC") != NULL;
+    disabledKnown = 1;
+  }
+  if (disabled)
+    return 0;
+
   /* The following "ifdef/elif/else/" block has the same structure as
   ** the one below. It is replicated here solely to avoid cluttering 
   ** up the real code with the UNUSED_PARAMETER() macros.