linux-kernel - Re: [PATCH 01/25] iov_iter: Add ITER

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Message-ID: <20210121133406.GP2260413@casper.infradead.org>
Date:   Thu, 21 Jan 2021 13:34:06 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Trond Myklebust <trondmy@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Jeff Layton <jlayton@...hat.com>,
        David Wysochanski <dwysocha@...hat.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
        linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
        ceph-devel@...r.kernel.org, v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/25] iov_iter: Add ITER_XARRAY

On Wed, Jan 20, 2021 at 10:21:37PM +0000, David Howells wrote:
> -#define iterate_all_kinds(i, n, v, I, B, K) {			\
> +#define iterate_all_kinds(i, n, v, I, B, K, X) {		\

Do you need to add the X parameter?  It seems to always be the same as B.