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From: Chao Yu <yuchao0@huawei.com>
To: Daeho Jeong <daeho43@gmail.com>, <linux-kernel@vger.kernel.org>,
	<linux-f2fs-devel@lists.sourceforge.net>,
	<kernel-team@android.com>
Cc: Daeho Jeong <daehojeong@google.com>
Subject: Re: [f2fs-dev] [PATCH v6 2/2] f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl
Date: Fri, 30 Oct 2020 10:36:43 +0800	[thread overview]
Message-ID: <0b009361-7aff-d2e4-59b7-3316a299627d@huawei.com> (raw)
In-Reply-To: <20201030022748.332831-2-daeho43@gmail.com>

On 2020/10/30 10:27, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@google.com>
> 
> Added a new F2FS_IOC_SET_COMPRESS_OPTION ioctl to change 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;
> 
> option.algorithm = 1;
> option.log_cluster_size = 7;
> 
> ioctl(fd, F2FS_IOC_SET_COMPRESS_OPTION, &option);
> 
> Signed-off-by: Daeho Jeong <daehojeong@google.com>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks,

      reply	other threads:[~2020-10-30  2:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-30  2:27 [PATCH v6 1/2] f2fs: add F2FS_IOC_GET_COMPRESS_OPTION ioctl Daeho Jeong
2020-10-30  2:27 ` [PATCH v6 2/2] f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl Daeho Jeong
2020-10-30  2:36   ` Chao Yu [this message]

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