linux-kernel - Re: [PATCH v3 1/2] f2fs: add F2FS_IOC_GET_COMPRESS

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Message-ID: <CACOAw_xFijZOokM4R1XYKoFvRthk-ZfC+hNz0c-HqQuurjp87g@mail.gmail.com>
Date:   Tue, 27 Oct 2020 08:02:18 +0900
From:   Daeho Jeong <daeho43@...il.com>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, kernel-team@...roid.com,
        Daeho Jeong <daehojeong@...gle.com>
Subject: Re: [PATCH v3 1/2] f2fs: add F2FS_IOC_GET_COMPRESS_OPTION ioctl

I thought I gave the information about that in the commit message. Is
this not enough for you?
Actually, there is no space for F2FS ioctl documentation now. :(

2020년 10월 27일 (화) 오전 4:04, Eric Biggers <ebiggers@...nel.org>님이 작성:
>
> On Mon, Oct 26, 2020 at 01:16:55PM +0900, Daeho Jeong wrote:
> > From: Daeho Jeong <daehojeong@...gle.com>
> >
> > Added a new F2FS_IOC_GET_COMPRESS_OPTION ioctl to get file compression
> > option of a file.
> >
> > struct f2fs_comp_option {
> >     u8 algorithm;         => compression algorithm
> >                           => 0:lzo, 1:lz4, 2:zstd, 3:lzorle
> >     u8 log_cluster_size;  => log scale cluster size
> >                           => 2 ~ 8
> > };
> >
> > struct f2fs_comp_option option;
> >
> > ioctl(fd, F2FS_IOC_GET_COMPRESS_OPTION, &option);
> >
> > Signed-off-by: Daeho Jeong <daehojeong@...gle.com>
> > Reviewed-by: Eric Biggers <ebiggers@...nel.org>
>
> Please don't add Reviewed-by until it is explicitly given.
>
> The actual code looks fine, but there's still no mention of documentation,
> tests, or use cases.
>
> - Eric