linux-kernel - Re: [PATCH] erofs: use wrapper i_blocksize() in erofs_file_read

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Message-ID: <e5733d0f-d5bb-deb5-20ff-649a9823ffa1@linux.alibaba.com>
Date:   Mon, 6 Mar 2023 22:46:50 +0800
From:   Gao Xiang <hsiangkao@...ux.alibaba.com>
To:     Yue Hu <zbestahu@...il.com>, xiang@...nel.org, chao@...nel.org,
        jefflexu@...ux.alibaba.com, linux-erofs@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, huyue2@...lpad.com,
        zhangwen@...lpad.com
Subject: Re: [PATCH] erofs: use wrapper i_blocksize() in
 erofs_file_read_iter()



On 2023/3/6 15:55, Yue Hu wrote:
> From: Yue Hu <huyue2@...lpad.com>
> 
> linux/fs.h has a wrapper for this operation.
> 
> Signed-off-by: Yue Hu <huyue2@...lpad.com>

Reviewed-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

Thanks,
Gao Xiang

> ---
>   fs/erofs/data.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/erofs/data.c b/fs/erofs/data.c
> index 5bd0c956a142..7e8baf56faa5 100644
> --- a/fs/erofs/data.c
> +++ b/fs/erofs/data.c
> @@ -380,7 +380,7 @@ static ssize_t erofs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
>   		if (bdev)
>   			blksize_mask = bdev_logical_block_size(bdev) - 1;
>   		else
> -			blksize_mask = (1 << inode->i_blkbits) - 1;
> +			blksize_mask = i_blocksize(inode) - 1;
>   
>   		if ((iocb->ki_pos | iov_iter_count(to) |
>   		     iov_iter_alignment(to)) & blksize_mask)