Snap for 5797917 from 6c5e453f9ee8363e970c7b5e2be503879089c3c3 to qt-c2f2-release
Change-Id: I92e29452f176731c03fc482e5394cc5fad17c9c9
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;
}