Re: [PATCH v2 2/5] direct-io: don't dirty ITER_BVEC pages on read

[Al Viro]

On Fri, Dec 19, 2014 at 07:18:26PM -0800, Omar Sandoval wrote:
> Reads through the iov_iter infrastructure for kernel pages shouldn't be
> dirtied by the direct I/O code.
> 
> This is based on Dave Kleikamp's and Ming Lei's previously posted
> patches.

Umm...  

> +	dio->should_dirty = !iov_iter_is_bvec(iter);

	dio->should_dirty = iter_is_iovec(iter);

perhaps?
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