From: Richard Weinberger <richard@nod.at>
To: Emil Lenngren <emil.lenngren@gmail.com>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>,
linux-mtd <linux-mtd@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Michele Dionisio <michele.dionisio@gmail.com>
Subject: Re: [PATCH] ubifs: Add support for zstd compression.
Date: Fri, 7 Jun 2019 22:49:52 +0200 (CEST) [thread overview]
Message-ID: <1342653998.84700.1559940592644.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <CAO1O6scuNXfgtaex_Ty4-5=DmBV43Sg28ntkzNgB5T2KwfXG3g@mail.gmail.com>
----- Ursprüngliche Mail -----
> Von: "Emil Lenngren" <emil.lenngren@gmail.com>
> An: "richard" <richard@nod.at>
> CC: "linux-mtd" <linux-mtd@lists.infradead.org>, "Sebastian Andrzej Siewior" <sebastian@breakpoint.cc>, "linux-kernel"
> <linux-kernel@vger.kernel.org>, "Michele Dionisio" <michele.dionisio@gmail.com>
> Gesendet: Freitag, 7. Juni 2019 22:27:09
> Betreff: Re: [PATCH] ubifs: Add support for zstd compression.
>> So I'm not sure what is the best choice for the default filesystem.
>
> My idea was at the end, i.e. it will only be used when LZO and ZLIB
> are not selected to be included for UBIFS, for example when someone
> compiles a minimal kernel who knows exactly which compression
> algorithms will be used on that system.
BTW: you can always select the compressor using the compr= mount option.
Also for the default filesystem.
Putting it at the end does not harm but IMHO the use is little.
But for the sake of completes, I agree with you. Can you send a follow-up
patch?
> I did a single test today and compared lzo and zstd and on that test
> lzo had faster decompression speed but resulted in larger space. I'll
> do more tests later.
Can you please share more details? I'm interested what CPU this was.
Thanks,
//richard
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next prev parent reply other threads:[~2019-06-07 20:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 21:02 [PATCH] ubifs: Add support for zstd compression Richard Weinberger
2019-05-16 18:23 ` Sebastian Andrzej Siewior
2019-06-07 15:34 ` Emil Lenngren
2019-06-07 20:09 ` Richard Weinberger
2019-06-07 20:27 ` Emil Lenngren
2019-06-07 20:49 ` Richard Weinberger [this message]
2019-06-07 23:40 ` Emil Lenngren
2019-06-08 8:46 ` Richard Weinberger
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