linux-kernel - Re: [PATCH] f2fs: introduce a new per-sb directory in sysfs

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Message-ID: <e35d3dde-db71-27dc-88fd-fd6e2cd2b02f@kernel.org>
Date:   Sat, 5 Dec 2020 09:29:03 +0800
From:   Chao Yu <chao@...nel.org>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <yuchao0@...wei.com>
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs: introduce a new per-sb directory in sysfs

On 2020/12/5 2:23, Jaegeuk Kim wrote:
> On 12/03, Chao Yu wrote:
>> Jaegeuk,
>>
>> Can you comment on this patch?
> 
> Waiting for use-case? :)

How do you think of duplicating below stats into /sys/fs/f2fs/<devname>/stat/

F2FS_GENERAL_RO_ATTR(dirty_segments);
F2FS_GENERAL_RO_ATTR(free_segments);
F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
F2FS_GENERAL_RO_ATTR(features);
F2FS_GENERAL_RO_ATTR(current_reserved_blocks);
F2FS_GENERAL_RO_ATTR(unusable);
F2FS_GENERAL_RO_ATTR(encoding);
F2FS_GENERAL_RO_ATTR(mounted_time_sec);
F2FS_GENERAL_RO_ATTR(main_blkaddr);
#ifdef CONFIG_F2FS_STAT_FS
F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_foreground_calls, cp_count);
F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_background_calls, bg_cp_count);
F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, gc_foreground_calls, call_count);
F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, gc_background_calls, bg_gc);
F2FS_GENERAL_RO_ATTR(moved_blocks_background);
F2FS_GENERAL_RO_ATTR(moved_blocks_foreground);
F2FS_GENERAL_RO_ATTR(avg_vblocks);
#endif

Thanks,