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SubjectRe: [f2fs-dev] [PATCH 3/5] f2fs: format segment_info's show for better legibility
Hi,
On 03/13/2014 05:13 PM, Chao Yu wrote:

> Hi Gu,
>
>> -----Original Message-----
>> From: Gu Zheng [mailto:guz.fnst@cn.fujitsu.com]
>> Sent: Friday, March 07, 2014 6:44 PM
>> To: Kim
>> Cc: linux-kernel; f2fs
>> Subject: [f2fs-dev] [PATCH 3/5] f2fs: format segment_info's show for better legibility
>>
>> The original segment_info's show is a bit out-of-format:
>>
>> [root@guz Demoes]# cat /proc/fs/f2fs/loop0/segment_info
>> 0 0 0 0 0 0 0 0 0 0 0
>> 0 0 0 0 0 0 0 0 0 0
>> 0 0 0 0 0 0 0 0 0 0
>> ......
>> 0 0 0 0 0 0 0 0 0 0
>> 0 0 1 0 0 1 [root@guz Demoes]#
>>
>> so we fix it here for better legibility.
>> [root@guz Demoes]# cat /proc/fs/f2fs/loop0/segment_info
>> 0 0 0 0 0 0 0 0 0 0
>> 0 0 0 0 0 0 0 0 0 0
>> 0 0 0 0 0 0 0 0 0 0
>> ......
>> 0 0 0 0 0 0 0 0 0 0
>> 0 0 1 0 0 1
>> [root@guz Demoes]#
>
> Here is one case, this looks not legible.
>
> 0 0 0 0 0 0 0 0 0 0
> 1 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0 509 512 512 512
> 512 512 512 512 512 512 512 512 512 512
> 512 512 512 512 331 278 0 0 0 0
> 0 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0 0 512 512 512
> 512 512 512 512 512 512 512 512 512 512
> 0 512 512 512 512 512 512 1 0 512
>
> So how about modifying code as following?

>
>>
>> Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
>
> Reviewed-by: Chao Yu <chao2.yu@samsung.com>
>
>> ---
>> fs/f2fs/super.c | 7 ++++---
>> 1 files changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
>> index 72df734..6e4851c 100644
>> --- a/fs/f2fs/super.c
>> +++ b/fs/f2fs/super.c
>> @@ -546,11 +546,12 @@ static int segment_info_seq_show(struct seq_file *seq, void *offset)
>>
>> for (i = 0; i < total_segs; i++) {
>> seq_printf(seq, "%u", get_valid_blocks(sbi, i, 1));
>
> seq_printf(seq, "%-3u ", get_valid_blocks(sbi, i, 1));

Hmm, this patch has been applied to f2fs-dev tree, so maybe you can send a
patch to enhance it directly!:)

Regards,
Gu

>
>> - if (i != 0 && (i % 10) == 0)
>> - seq_puts(seq, "\n");
>> + if ((i % 10) == 9 || i == (total_segs - 1))
>> + seq_putc(seq, '\n');
>> else
>> - seq_puts(seq, " ");
>> + seq_putc(seq, ' ');
>> }
>> +
>> return 0;
>> }
>>
>> --
>> 1.7.7
>>
>>
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>> _______________________________________________
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>> Linux-f2fs-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
>
>




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