linux-kernel - Re: [PATCH 2/2] block: fast-path for small and simple direct I/O requests

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Message-ID: <20161101141816.GA17142@lst.de>
Date:   Tue, 1 Nov 2016 15:18:16 +0100
From:   Christoph Hellwig <hch@....de>
To:     Omar Sandoval <osandov@...ndov.com>
Cc:     Christoph Hellwig <hch@....de>, axboe@...com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] block: fast-path for small and simple direct I/O
        requests

On Mon, Oct 31, 2016 at 04:19:11PM -0700, Omar Sandoval wrote:
> > +	if (unlikely(ret))
> > +		return ret;
> > +	ret = bio.bi_iter.bi_size;
> > +
> > +	if (iov_iter_rw(iter) == READ) {
> > +		bio_set_op_attrs(&bio, REQ_OP_READ, 0);
> > +		if (iter->type == ITER_IOVEC)
> 
> Nit: iter_is_iovec()?

Fixed.