commit e05d4466030228ec8aaf8739bfb4941bcb58f32e
author Zim <zezeozue@google.com> Mon Jan 18 10:44:21 2021 +0000
committer Zimuzo Ezeozue <zezeozue@google.com> Mon Jan 18 16:46:01 2021 +0000
tree ee94f42c6e63e470ae5f3ef9a8c442958bd7d726
parent a53174b0eafd4ca391dae7368858633d528a0543

Use passthrough if file supports transcoding

Using passthrough when a file supports transcoding improves the
performance of IO during transcoding.

Test: atest TranscodeTest
Bug: 174655855
Change-Id: I6a4b237ef9cead7d87ed70fed403ebb7df11a809

jni/FuseDaemon.cpp

diff --git a/jni/FuseDaemon.cpp b/jni/FuseDaemon.cpp
index a75660c..673771b 100755
--- a/jni/FuseDaemon.cpp
+++ b/jni/FuseDaemon.cpp
@@ -1036,7 +1036,8 @@
 
     if (fuse->passthrough) {
         *keep_cache = 1;
-        handle = new struct handle(fd, ri, true /* cached */, !redaction_needed /* passthrough */,
+        handle = new struct handle(fd, ri, true /* cached */,
+                                   !redaction_needed || node->GetTransforms() /* passthrough */,
                                    uid);
     } else {
         // Without fuse->passthrough, we don't want to use the FUSE VFS cache in two cases: