[dm-devel] [PATCH v6 12/13] block: Add bio_clone_bioset(), bio_clone_kmalloc()

Tejun Heo tj at kernel.org
Fri Aug 24 20:36:20 UTC 2012


Hello,

On Thu, Aug 23, 2012 at 11:24:18PM -0700, Kent Overstreet wrote:
> > I'd prefer simply adding @bioset to bio_clone() so that the caller
> > always has to make the choice consciously.  We're updating all the
> > callers anyway.
> 
> Possibly, but the btrfs code uses bio_clone() and there fs_bio_set may
> be correct (will have to look at what it's doing, if it's cloning a bio
> that was allocated out of fs_bio_set that would be bad..)

Yeah, I think it's generally a good idea to require explicit bioset
specification even if that ends up being fs_bio_set or NULL.

> I would also prefer to simply drop bio_clone() so that
> bio_clone_bioset() matches bio_alloc_bioset(), but regardless that'll
> have to be a different patch (and I don't think I've had to update any
> of the bio_clone() callers in this patch series anyways).

Ooh yeah, bio_clone_bioset() would be the better name for it.

Thanks.

-- 
tejun




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