linux-kernel - Re: [PATCH 14/17] cifs: Change the I/O paths to use an iterator rather than a page list

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Date:   Fri, 17 Feb 2023 08:08:41 +0000
From:   David Howells <dhowells@...hat.com>
To:     Steve French <smfrench@...il.com>
Cc:     dhowells@...hat.com, Jens Axboe <axboe@...nel.dk>,
        Al Viro <viro@...iv.linux.org.uk>,
        Shyam Prasad N <nspmangalore@...il.com>,
        Rohith Surabattula <rohiths.msft@...il.com>,
        Tom Talpey <tom@...pey.com>,
        Stefan Metzmacher <metze@...ba.org>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jeff Layton <jlayton@...nel.org>, linux-cifs@...r.kernel.org,
        linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Steve French <sfrench@...ba.org>, Paulo Alcantara <pc@....nz>
Subject: Re: [PATCH 14/17] cifs: Change the I/O paths to use an iterator rather than a page list

Steve French <smfrench@...il.com> wrote:

> WARNING: Consider removing the code enclosed by this #if 0 and its #endif
> #627: FILE: fs/cifs/file.c:2609:
> +#if 0 // TODO: Remove for iov_iter support
> ...
> WARNING: Consider removing the code enclosed by this #if 0 and its #endif
> #1040: FILE: fs/cifs/file.c:3512:
> +#if 0 // TODO: Remove for iov_iter support
> 
> WARNING: Consider removing the code enclosed by this #if 0 and its #endif
> #1067: FILE: fs/cifs/file.c:3587:
> +#if 0 // TODO: Remove for iov_iter support
> 
> WARNING: Consider removing the code enclosed by this #if 0 and its #endif
> #1530: FILE: fs/cifs/file.c:4217:
> +#if 0 // TODO: Remove for iov_iter support
> 
> WARNING: Consider removing the code enclosed by this #if 0 and its #endif
> #1837: FILE: fs/cifs/file.c:4903:
> +#if 0 // TODO: Remove for iov_iter support

These chunks of code are removed in patch 16.  I did it this way to reduce the
size of patch 14.  I can merge 16 into 14 if you like.

David