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Date: Fri, 16 Jan 2015 03:41:46 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Dongsu Park <dongsu.park@profitbricks.com>
Cc: linux-kernel@vger.kernel.org, Christoph Hellwig <hch@infradead.org>,
        Kent Overstreet <kmo@daterainc.com>, Jens Axboe <axboe@kernel.dk>,
        "Hans J. Koch" <hjk@hansjkoch.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH v2 3/7] block: refactor iov_count_pages() from
 bio_{copy,map}_user_iov()
Message-ID: <20150116114146.GA31449@infradead.org>
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mm/iov_iter.c already has a iov_iter_npages, although that
one doesn't do an alignment check yet.  But it might be worth
to just the iov_iter_alignment similar to how iov_iter_alignment
does it instead of this new function.