From 89647b1172cdf40a3681922150122b0bd2ea83f1 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@android.com>
Date: Wed, 22 Sep 2010 17:49:16 -0700
Subject: [PATCH] Don't do single byte writes in DropBoxManagerService

Bug: 3018772
Change-Id: I6990041f059aeb2a4c29e59b1a3d78d19bf9b02f
---
 services/java/com/android/server/DropBoxManagerService.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/services/java/com/android/server/DropBoxManagerService.java b/services/java/com/android/server/DropBoxManagerService.java
index 14b7d3ec38916..9829f9ab66b26 100644
--- a/services/java/com/android/server/DropBoxManagerService.java
+++ b/services/java/com/android/server/DropBoxManagerService.java
@@ -36,6 +36,7 @@ import android.util.Slog;
 
 import com.android.internal.os.IDropBoxManagerService;
 
+import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileDescriptor;
 import java.io.FileOutputStream;
@@ -179,7 +180,10 @@ public final class DropBoxManagerService extends IDropBoxManagerService.Stub {
             // the data in uncompressed form.
 
             temp = new File(mDropBoxDir, "drop" + Thread.currentThread().getId() + ".tmp");
-            output = new FileOutputStream(temp);
+            int bufferSize = mBlockSize;
+            if (bufferSize > 4096) bufferSize = 4096;
+            if (bufferSize < 512) bufferSize = 512;
+            output = new BufferedOutputStream(new FileOutputStream(temp), bufferSize);
             if (read == buffer.length && ((flags & DropBoxManager.IS_GZIPPED) == 0)) {
                 output = new GZIPOutputStream(output);
                 flags = flags | DropBoxManager.IS_GZIPPED;