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

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Date:   Thu,  9 Mar 2023 15:15:15 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     zbestahu@...il.com
Cc:     chao@...nel.org, huyue2@...lpad.com, jefflexu@...ux.alibaba.com,
        linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        xiang@...nel.org, zhangwen@...lpad.com
Subject: Re: erofs: use wrapper i_blocksize() in erofs_file_read_iter()

> @@ -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;

Since the mask is to be obtained here, is it more appropriate to use GENMASK(inode->i_blkbits - 1, 0)?

Thx,
Yangtao