Re: [PATCH v7 7/9] block: Add bio_clone_bioset(),bio_clone_kmalloc()

From: Tejun Heo
Date: Fri Aug 31 2012 - 22:19:09 EST


Hello,

On Tue, Aug 28, 2012 at 03:05:32PM -0700, Kent Overstreet wrote:
> On Tue, Aug 28, 2012 at 01:44:01PM -0700, Tejun Heo wrote:
> > On Tue, Aug 28, 2012 at 10:37:34AM -0700, Kent Overstreet wrote:
> > > +static inline struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
> > > +{
> > > + return bio_clone_bioset(bio, gfp_mask, fs_bio_set);
> > > +}
> > > +
> > ...
> > > +static inline struct bio *bio_clone_kmalloc(struct bio *bio, gfp_t gfp_mask)
> > > +{
> > > + return bio_clone_bioset(bio, gfp_mask, NULL);
> > > +
> > > +}
> >
> > Do we really need these wrappers? I'd prefer requiring users to
> > explicit choose @bioset when cloning.
>
> bio_clone() is an existing api, I agree but I'd prefer to convert
> existing users in a separate patch and when I do that I want to spend
> some time actually looking at the existing code instead of doing the
> conversion blindly (at least some of the existing users are incorrect
> and I'll have to add bio_sets for them).

Aren't there like three users in kernel? If you wanna clean it up
later, that's fine too but I don't think it would make much difference
either way.

Thanks.

--
tejun
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