From e63cc43dfae0295b4722b2b490559bbb81e83e89 Mon Sep 17 00:00:00 2001
From: Hrvoje Jasak <h.jasak@wikki.co.uk>
Date: Tue, 30 Apr 2019 15:43:38 +0100
Subject: [PATCH] Reverting unnecessary DLB change by HR

---
 .../finiteVolume/fvSchemes/fvSchemes.C        | 29 +++++++++----------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
index b0533cd44..c9050cd4d 100644
--- a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
+++ b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
@@ -70,12 +70,7 @@ Foam::fvSchemes::fvSchemes(const objectRegistry& obr)
             "fvSchemes",
             obr.time().system(),
             obr,
-             (
-                obr.readOpt() == IOobject::MUST_READ
-             || obr.readOpt() == IOobject::READ_IF_PRESENT
-              ? IOobject::MUST_READ_IF_MODIFIED
-              : obr.readOpt()
-            ),
+            IOobject::READ_IF_PRESENT_IF_MODIFIED,  // Allow default dictionary creation
             IOobject::NO_WRITE
         )
     ),
@@ -173,17 +168,21 @@ Foam::fvSchemes::fvSchemes(const objectRegistry& obr)
     fluxRequired_(),  // Do not read flux required option
     defaultFluxRequired_(false)
 {
-    // HR 21.12.18 : Writing a default fvSchemes is not useful in PLB. Please
-    // specify MUST_READ on obr if you need this.
-    if
-    (
-        readOpt() == IOobject::MUST_READ
-     || readOpt() == IOobject::MUST_READ_IF_MODIFIED
-     || (readOpt() == IOobject::READ_IF_PRESENT && headerOk())
-    )
+    if (!headerOk())
     {
-        read();
+        if (debug)
+        {
+            InfoIn
+            (
+                "fvSchemes::fvSchemes(const objectRegistry& obr)"
+            )   << "fvSchemes dictionary not found.  Creating default."
+                << endl;
+        }
+
+        regIOobject::write();
     }
+
+    read();
 }