linux-kernel - Re: [PATCH v4 2/5] erofs: convert to use i

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Message-ID: <e8054874-88d8-e539-8fd4-6123821aa3a8@linux.alibaba.com>
Date:   Fri, 10 Mar 2023 14:01:09 +0800
From:   Gao Xiang <hsiangkao@...ux.alibaba.com>
To:     Yangtao Li <frank.li@...o.com>, xiang@...nel.org, chao@...nel.org,
        huyue2@...lpad.com, jefflexu@...ux.alibaba.com, tytso@....edu,
        adilger.kernel@...ger.ca, rpeterso@...hat.com, agruenba@...hat.com,
        mark@...heh.com, jlbec@...lplan.org, joseph.qi@...ux.alibaba.com,
        viro@...iv.linux.org.uk, brauner@...nel.org
Cc:     linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-ext4@...r.kernel.org, cluster-devel@...hat.com,
        ocfs2-devel@....oracle.com, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v4 2/5] erofs: convert to use i_blockmask()

Hi Yangtao,

On 2023/3/10 13:48, Yangtao Li wrote:
> Use i_blockmask() to simplify code.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>

Please help drop this one since we'd like to use it until i_blockmask()
lands to upstream.

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 e16545849ea7..d394102ef9de 100644
> --- a/fs/erofs/data.c
> +++ b/fs/erofs/data.c
> @@ -376,7 +376,7 @@ 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_blockmask(inode);
>   
>   		if ((iocb->ki_pos | iov_iter_count(to) |
>   		     iov_iter_alignment(to)) & blksize_mask)