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Document BlockFileIO::write return code
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@ -176,6 +176,10 @@ ssize_t BlockFileIO::read(const IORequest &req) const {
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return result;
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}
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/**
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* Returns the very first result returned by RawFileIO::write so :
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* 0 in case of success, or -errno in case of failure.
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*/
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int BlockFileIO::write(const IORequest &req) {
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CHECK(_blockSize != 0);
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@ -280,6 +284,10 @@ int BlockFileIO::write(const IORequest &req) {
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int BlockFileIO::blockSize() const { return _blockSize; }
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/**
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* Returns the very first result returned by RawFileIO::write so :
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* 0 in case of success, or -errno in case of failure.
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*/
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int BlockFileIO::padFile(off_t oldSize, off_t newSize, bool forceWrite) {
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off_t oldLastBlock = oldSize / _blockSize;
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off_t newLastBlock = newSize / _blockSize;
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