fusefrontend: doWrite: report readFileID errors as I/O error
It used to be reported as "function not implemented", accompanied with this log output: go-fuse: can't convert error type: ParseHeader: header is all-zero. Header hexdump: 000000000000000000000000000000000000 Now we report EIO and log this: doWrite 1372183: corrupt header: ParseHeader: header is all-zero. Header hexdump: 000000000000000000000000000000000000
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@ -273,6 +273,10 @@ func (f *File) doWrite(data []byte, off int64) (uint32, syscall.Errno) {
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if err == io.EOF {
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fileID, err = f.createHeader()
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fileWasEmpty = true
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} else if err != nil {
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// Other errors mean readFileID() found a corrupt header
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tlog.Warn.Printf("doWrite %d: corrupt header: %v", f.qIno.Ino, err)
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return 0, syscall.EIO
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}
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if err != nil {
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return 0, fs.ToErrno(err)
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