linux-kernel - Re: [PATCH -next] xfs: remove "%Lu" which doesn't meet C standard

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Date:   Wed, 24 Aug 2022 09:54:41 +0800
From:   Zeng Heng <zengheng4@...wei.com>
To:     "Darrick J. Wong" <djwong@...nel.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] xfs: remove "%Lu" which doesn't meet C standard

Yes, I'm pleasure send more similar patches if they were a bit helpful 
for xfs.

Besides, I'm just a rookie in XFS, and have read about your edition of

<XFS Algorithms & Data Structures>.

Just let you know, it's a good job.


Best Regards,

Zeng Heng


在 2022/8/23 22:27, Darrick J. Wong 写道:
> On Tue, Aug 23, 2022 at 09:55:17AM +0800, Zeng Heng wrote:
>> The "%Lu" specifier, which represents long long unsigned,
>> doesn't meet C language standard, and even more,
>> it makes people easily mistake with "%lu", which represent
>> long unsigned. So replace "%Lu" with "llu".
>>
>> Signed-off-by: Zeng Heng <zengheng4@...wei.com>
> Yesss finally fixing this
> Reviewed-by: Darrick J. Wong <djwong@...nel.org>
>
> --D
>
>> ---
>>   fs/xfs/xfs_inode.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
>> index 28493c8e9bb2..b3eeeae3afe1 100644
>> --- a/fs/xfs/xfs_inode.c
>> +++ b/fs/xfs/xfs_inode.c
>> @@ -3119,7 +3119,7 @@ xfs_iflush(
>>   	if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC),
>>   			       mp, XFS_ERRTAG_IFLUSH_1)) {
>>   		xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
>> -			"%s: Bad inode %Lu magic number 0x%x, ptr "PTR_FMT,
>> +			"%s: Bad inode %llu magic number 0x%x, ptr "PTR_FMT,
>>   			__func__, ip->i_ino, be16_to_cpu(dip->di_magic), dip);
>>   		goto flush_out;
>>   	}
>> @@ -3129,7 +3129,7 @@ xfs_iflush(
>>   		    ip->i_df.if_format != XFS_DINODE_FMT_BTREE,
>>   		    mp, XFS_ERRTAG_IFLUSH_3)) {
>>   			xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
>> -				"%s: Bad regular inode %Lu, ptr "PTR_FMT,
>> +				"%s: Bad regular inode %llu, ptr "PTR_FMT,
>>   				__func__, ip->i_ino, ip);
>>   			goto flush_out;
>>   		}
>> @@ -3140,7 +3140,7 @@ xfs_iflush(
>>   		    ip->i_df.if_format != XFS_DINODE_FMT_LOCAL,
>>   		    mp, XFS_ERRTAG_IFLUSH_4)) {
>>   			xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
>> -				"%s: Bad directory inode %Lu, ptr "PTR_FMT,
>> +				"%s: Bad directory inode %llu, ptr "PTR_FMT,
>>   				__func__, ip->i_ino, ip);
>>   			goto flush_out;
>>   		}
>> @@ -3158,7 +3158,7 @@ xfs_iflush(
>>   	if (XFS_TEST_ERROR(ip->i_forkoff > mp->m_sb.sb_inodesize,
>>   				mp, XFS_ERRTAG_IFLUSH_6)) {
>>   		xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
>> -			"%s: bad inode %Lu, forkoff 0x%x, ptr "PTR_FMT,
>> +			"%s: bad inode %llu, forkoff 0x%x, ptr "PTR_FMT,
>>   			__func__, ip->i_ino, ip->i_forkoff, ip);
>>   		goto flush_out;
>>   	}
>> -- 
>> 2.25.1
>>