Avoid deadlock during initial scan (fixes syncthing#389)

model/model.go

@@ -454,19 +454,6 @@ func (m *Model) ReplaceLocal(repo string, fs []scanner.File) {
 	m.rmut.RUnlock()
 }
 
-func (m *Model) SeedLocal(repo string, fs []protocol.FileInfo) {
-	var sfs = make([]scanner.File, len(fs))
-	for i := 0; i < len(fs); i++ {
-		lamport.Default.Tick(fs[i].Version)
-		sfs[i] = fileFromFileInfo(fs[i])
-		sfs[i].Suppressed = false // we might have saved an index with files that were suppressed; the should not be on startup
-	}
-
-	m.rmut.RLock()
-	m.repoFiles[repo].Replace(cid.LocalID, sfs)
-	m.rmut.RUnlock()
-}
-
 func (m *Model) CurrentRepoFile(repo string, file string) scanner.File {
 	m.rmut.RLock()
 	f := m.repoFiles[repo].Get(cid.LocalID, file)
@@ -736,7 +723,15 @@ func (m *Model) LoadIndexes(dir string) {
 	m.rmut.RLock()
 	for repo := range m.repoCfgs {
 		fs := m.loadIndex(repo, dir)
-		m.SeedLocal(repo, fs)
+
+		var sfs = make([]scanner.File, len(fs))
+		for i := 0; i < len(fs); i++ {
+			lamport.Default.Tick(fs[i].Version)
+			sfs[i] = fileFromFileInfo(fs[i])
+			sfs[i].Suppressed = false // we might have saved an index with files that were suppressed; the should not be on startup
+		}
+
+		m.repoFiles[repo].Replace(cid.LocalID, sfs)
 	}
 	m.rmut.RUnlock()
 }