linux-kernel - Re: [PATCH 1/4] f2fs: fix to check lz4hc compression when CONFIG_F2FS_FS

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Message-ID: <Y9a3BaVfBhvop4fp@sol.localdomain>
Date:   Sun, 29 Jan 2023 10:12:21 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Chao Yu <chao@...nel.org>
Cc:     Yangtao Li <frank.li@...o.com>, jaegeuk@...nel.org,
        linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [PATCH 1/4] f2fs: fix to check lz4hc compression when
 CONFIG_F2FS_FS_LZ4HC is not enabled

On Sun, Jan 29, 2023 at 06:21:17PM +0800, Chao Yu wrote:
> On 2023/1/24 23:33, Yangtao Li wrote:
> > f2fs supports lz4 compression algorithm and lz4hc compression algorithm,
> > which the level parameter needs to be passed in. When CONFIG_F2FS_FS_LZ4HC
> > is not enabled, even if there is no problem with the level parameter, add

lz4hc is not a different compression algorithm, but rather just a higher
compression level for lz4.

- Eric