linux-kernel - Re: [RFC PATCH] ubifs: Add zstd support

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Date:   Fri, 12 Jan 2018 11:45:49 +0100
From:   Richard Weinberger <richard@....at>
To:     Yufen Yu <yuyufen@...wei.com>
Cc:     dedekind1@...il.com, adrian.hunter@...el.com,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: Re: [RFC PATCH] ubifs: Add zstd support

Yufen Yu,

Am Freitag, 12. Januar 2018, 10:24:21 CET schrieb Yufen Yu:
> Add zstd compression and decompression support to ubifs. zstd at its
> fastest level compresses almost as well as zlib, while offering much
> faster compression and decompression, approaching lzo speeds.
> 
> This patch is based on the patch:
> 	https://patchwork.kernel.org/patch/9892631/
> 
> zstd source repository: https://github.com/facebook/zstd

Do you have numbers on how much we gain for UBIFS on a typical embedded 
device?

Thanks,
//richard