commit a6aae2f5a5949c49475c7ba603a0567b49cd00b6
author Jaegeuk Kim <jaegeuk@google.com> Sat Feb 17 06:02:30 2018 -0800
committer Jaegeuk Kim <jaegeuk@google.com> Thu Feb 22 19:06:24 2018 -0800
tree dced30e0d9973575053abd8e4e7382254920d4d7
parent 291fec178925fe7cd724b3d345bfcfbb98d87f52

vold: Idle-maint issues discards fully

Change-Id: Ib20a55e8761aa740b530803f029ecb36256fe9aa
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>

IdleMaint.cpp

diff --git a/IdleMaint.cpp b/IdleMaint.cpp
index 62086cd..a2b5faa 100644
--- a/IdleMaint.cpp
+++ b/IdleMaint.cpp
@@ -225,6 +225,9 @@
 static int startGc(const std::list<std::string>& paths) {
     for (const auto& path : paths) {
         LOG(DEBUG) << "Start GC on " << path;
+        if (!WriteStringToFile("1", path + "/discard_granularity")) {
+            PLOG(WARNING) << "Set discard gralunarity failed on" << path;
+        }
         if (!WriteStringToFile("1", path + "/gc_urgent")) {
             PLOG(WARNING) << "Start GC failed on " << path;
         }
@@ -238,6 +241,9 @@
         if (!WriteStringToFile("0", path + "/gc_urgent")) {
             PLOG(WARNING) << "Stop GC failed on " << path;
         }
+        if (!WriteStringToFile("16", path + "/discard_granularity")) {
+            PLOG(WARNING) << "Set discard gralunarity failed on" << path;
+        }
     }
     return android::OK;
 }