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

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Date:   Tue, 23 Aug 2022 07:27:11 -0700
From:   "Darrick J. Wong" <djwong@...nel.org>
To:     Zeng Heng <zengheng4@...wei.com>
Cc:     linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] xfs: remove "%Lu" which doesn't meet C standard

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
>