RFR: 8257234 : Add gz option to SA jmap to write a gzipped heap dump [v13]

[Lin Zang]

On Fri, 29 Jan 2021 05:33:19 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

> You are right.
> So, in my suggestion just replace this block:
> 
> ```
>                         if (gzlevel <= 0 || gzlevel > 9) {
>                             err.println("Invalid "gz=" option: " + option);
>                             usage();
>                             return;
>                         }
> ```
> 
> with:
> 
> ```
>                         if (gzlevel == 0) {
>                             usage();
>                             return;
>                         }
> ```

Thanks, just found there can be two prints of same error for option like gz=abc,
I will change back:)

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PR: https://git.openjdk.java.net/jdk/pull/1712