linux-kernel - Re: [PATCH v2 12/25] mm: Add file_offset_of

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Date:   Tue, 11 Feb 2020 23:46:33 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 12/25] mm: Add file_offset_of_ helpers

> --- a/drivers/net/ethernet/ibm/ibmveth.c
> +++ b/drivers/net/ethernet/ibm/ibmveth.c
> @@ -978,8 +978,6 @@ static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
>  	return -EOPNOTSUPP;
>  }
>  
> -#define page_offset(v) ((unsigned long)(v) & ((1 << 12) - 1))

This one realy should be killed off in a separate patch, it has nothing
to do with the kernel-wide page_offset.

> +/* Legacy; please convert callers */
> +#define page_offset(page)	file_offset_of_page(page)

I'd say send a script to Linus to conver it as soon as the change is
in.