linux-kernel - Re: [PATCH v6 01/34] vfs: Unconditionally set IOCB_WRITE in call_write

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Date:   Thu, 19 Jan 2023 10:01:26 +0000
From:   David Howells <dhowells@...hat.com>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     dhowells@...hat.com, Christoph Hellwig <hch@....de>,
        Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>,
        Jeff Layton <jlayton@...nel.org>,
        Logan Gunthorpe <logang@...tatee.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 01/34] vfs: Unconditionally set IOCB_WRITE in call_write_iter()

Al Viro <viro@...iv.linux.org.uk> wrote:

> 	Which does nothing for places that do not use call_write_iter()...
> __kernel_write_iter() is one such; for less obvious specimen see
> drivers/nvme/target/io-cmd-file.c:nvmet_file_submit_bvec()

Should these be calling call_read/write_iter()?  If not, should
call_read/write_iter() be dropped?

David