Merge qt-r1-dev-plus-aosp-without-vendor (5817612) into stage-aosp-master
Bug: 135460123
Change-Id: I1605f33ede34c8289a6eede94b62c8695df81b63
Merged-In: I24f07ba89ba6e6dac8adc2a6bb654d75d2b73d3e
diff --git a/secdiscard.cpp b/secdiscard.cpp
index 0ff05d6..4659eed 100644
--- a/secdiscard.cpp
+++ b/secdiscard.cpp
@@ -147,6 +147,10 @@
if (!overwrite_with_zeros(fs_fd.get(), range[0], range[1])) return false;
}
}
+ // Should wait for overwrites completion. Otherwise after unlink(),
+ // filesystem can allocate these blocks and IO can be reordered, resulting
+ // in making zero blocks to filesystem blocks.
+ fsync(fs_fd.get());
return true;
}