linux-kernel - Re: [PATCH] bcachefs: Align the display format of `btrees/inodes/keys`

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Message-ID: <d17de3df-a3f2-4317-92cc-1fd02641328b@huawei.com>
Date: Wed, 17 Apr 2024 11:16:15 +0800
From: Hongbo Li <lihongbo22@...wei.com>
To: Kent Overstreet <kent.overstreet@...ux.dev>, Youling Tang
	<youling.tang@...ux.dev>
CC: <linux-bcachefs@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Youling
 Tang <tangyouling@...inos.cn>
Subject: Re: [PATCH] bcachefs: Align the display format of
 `btrees/inodes/keys`



On 2024/4/17 10:59, Kent Overstreet wrote:
> On Wed, Apr 17, 2024 at 10:50:10AM +0800, Youling Tang wrote:
>> Hi, Kent
>> On 17/04/2024 10:20, Kent Overstreet wrote:
>>> On Wed, Apr 17, 2024 at 09:54:48AM +0800, Youling Tang wrote:
>>>> From: Youling Tang <tangyouling@...inos.cn>
>>>>
>>>> Before patch:
>>>> ```
>>>>    #cat btrees/inodes/keys
>>>>    u64s 17 type inode_v3 0:4096:U32_MAX len 0 ver 0:   mode=40755
>>>>      flags= (16300000)
>>>> ```
>>>>
>>>> After patch:
>>>> ```
>>>>    #cat btrees/inodes/keys
>>>>    u64s 17 type inode_v3 0:4096:U32_MAX len 0 ver 0:
>>>>      mode=40755
>>>>      flags= (16300000)
The flags also with the space after "=". Is it reseonable?
>>> This would print a newline for keys that don't have a value...
>> The original intention was to make the display of the printed content in
>> '__bch2_inode_unpacked_to_text ()' consistent, without considering other
>> callbacks.
>>
>> Or just modify it in the following way?
> 
> Yeah, that's better
> 
> Do it off my master branch though, there's some printbuf imprevements in
> there.
> 
> https://evilpiepirate.org/git/bcachefs.git
> 
>> --- a/fs/bcachefs/inode.c
>> +++ b/fs/bcachefs/inode.c
>> @@ -534,6 +534,8 @@ int bch2_inode_v3_invalid(struct bch_fs *c, struct
>> bkey_s_c k,
>>   static void __bch2_inode_unpacked_to_text(struct printbuf *out,
>> struct bch_inode_unpacked *inode)
>>   {
>> +       prt_newline(out);
>> +
>>          printbuf_indent_add(out, 2);
>>          prt_printf(out, "mode=%o", inode->bi_mode);
>>          prt_newline(out);
>>
>>
>> Thanks,
>> Youling.
>