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Merge qt-r1-dev-plus-aosp-without-vendor (5817612) into stage-aosp-master

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Bug: 135460123
Change-Id: I1605f33ede34c8289a6eede94b62c8695df81b63
Merged-In: I24f07ba89ba6e6dac8adc2a6bb654d75d2b73d3e
This commit is contained in:
Xin Li 2019-09-08 13:07:03 -07:00
commit 69a1fd86d3
1 changed files with 4 additions and 0 deletions
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4
secdiscard.cpp
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@ -147,6 +147,10 @@ bool secdiscard_path(const std::string& path) {
if (!overwrite_with_zeros(fs_fd.get(), range[0], range[1])) return false; 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; return true;
} }