From 6b27b6a1e71e8cd7c4910192cc31e70d3d1b652d Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sat, 6 Feb 2016 20:27:28 +0100
Subject: Move dirIVCache to its own file

---
 internal/nametransform/names_diriv.go | 41 -----------------------------------
 1 file changed, 41 deletions(-)

(limited to 'internal/nametransform/names_diriv.go')

diff --git a/internal/nametransform/names_diriv.go b/internal/nametransform/names_diriv.go
index 61e5bf0..94c41c8 100644
--- a/internal/nametransform/names_diriv.go
+++ b/internal/nametransform/names_diriv.go
@@ -6,7 +6,6 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 
 	"github.com/rfjakob/gocryptfs/internal/cryptocore"
 	"github.com/rfjakob/gocryptfs/internal/toggledlog"
@@ -20,46 +19,6 @@ const (
 	DirIVFilename = "gocryptfs.diriv"
 )
 
-// A simple one-entry DirIV cache
-type dirIVCache struct {
-	// Invalidated?
-	cleared bool
-	// The DirIV
-	iv []byte
-	// Directory the DirIV belongs to
-	dir string
-	// Ecrypted version of "dir"
-	translatedDir string
-	// Synchronisation
-	lock sync.RWMutex
-}
-
-// lookup - fetch entry for "dir" from the cache
-func (c *dirIVCache) lookup(dir string) (bool, []byte, string) {
-	c.lock.RLock()
-	defer c.lock.RUnlock()
-	if !c.cleared && c.dir == dir {
-		return true, c.iv, c.translatedDir
-	}
-	return false, nil, ""
-}
-
-// store - write entry for "dir" into the caches
-func (c *dirIVCache) store(dir string, iv []byte, translatedDir string) {
-	c.lock.Lock()
-	defer c.lock.Unlock()
-	c.cleared = false
-	c.iv = iv
-	c.dir = dir
-	c.translatedDir = translatedDir
-}
-
-func (c *dirIVCache) Clear() {
-	c.lock.Lock()
-	defer c.lock.Unlock()
-	c.cleared = true
-}
-
 // readDirIV - read the "gocryptfs.diriv" file from "dir" (absolute ciphertext path)
 func (be *NameTransform) ReadDirIV(dir string) (iv []byte, readErr error) {
 	ivfile := filepath.Join(dir, DirIVFilename)
-- 
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