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

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Message-ID: <29d5ea19-21b5-4076-9acc-8286a050c33f@huawei.com>
Date: Wed, 17 Apr 2024 11:21:54 +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 11:16, Hongbo Li wrote:
> 
> 
> 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?
Sorry, I misspell. I mean whether it is reasonable.
>>>> 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.
>>
>