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Message-ID: <742ccba0-6a27-7694-2381-37a70c137ac5@huaweicloud.com>
Date: Fri, 6 Sep 2024 19:44:26 +0800
From: Zhang Yi <yi.zhang@...weicloud.com>
To: Jan Kara <jack@...e.cz>
Cc: linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
 linux-kernel@...r.kernel.org, tytso@....edu, adilger.kernel@...ger.ca,
 ritesh.list@...il.com, yi.zhang@...wei.com, chengzhihao1@...wei.com,
 yukuai3@...wei.com
Subject: Re: [PATCH -next] ext4: don't pass full mapping flags to
 ext4_es_insert_extent()

On 2024/9/6 18:34, Jan Kara wrote:
> On Fri 06-09-24 14:14:01, Zhang Yi wrote:
>> From: Zhang Yi <yi.zhang@...wei.com>
>>
>> When converting a delalloc extent in ext4_es_insert_extent(), since we
>> only want to pass the info of whether the quota has already been claimed
>> if the allocation is a direct allocation from ext4_map_create_blocks(),
>> there is no need to pass full mapping flags, so changes to just pass
>> whether the EXT4_GET_BLOCKS_DELALLOC_RESERVE bit is set.
>>
>> Suggested-by: Jan Kara <jack@...e.cz>
>> Signed-off-by: Zhang Yi <yi.zhang@...wei.com>
> 
> Looks good. Feel free to add:
> 
> Reviewed-by: Jan Kara <jack@...e.cz>
> 
>> @@ -863,8 +863,8 @@ void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
>>  	if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
>>  		return;
>>  
>> -	es_debug("add [%u/%u) %llu %x %x to extent status tree of inode %lu\n",
>> -		 lblk, len, pblk, status, flags, inode->i_ino);
>> +	es_debug("add [%u/%u) %llu %x %d to extent status tree of inode %lu\n",
>> +		 lblk, len, pblk, status, delalloc_reserve_used, inode->i_ino);
> 
> Ah, I didn't know 'bool' gets automatically promoted to 'int' when passed
> as variadic argument but it seems to be the case from what I've found. One
> always learns :)
> 

Yeah, I'm always learn too. ;)

Thanks,
Yi.


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