Re: [dm-devel] [PATCH v3 02/16] dm: Use bioset's front_pad for dm_rq_clone_bio_info

From: Jun'ichi Nomura
Date: Sun May 27 2012 - 20:59:21 EST


On 05/26/12 05:25, Kent Overstreet wrote:
> struct dm_rq_clone_bio_info {
> struct bio *orig;
> struct dm_rq_target_io *tio;
> + struct bio clone;
> };
...
> - pools->bs = bioset_create(pool_size, 0);
> + pools->bs = bioset_create(pool_size,
> + offsetof(struct dm_rq_clone_bio_info, orig));
> if (!pools->bs)
> goto free_tio_pool_and_out;

Did you mean offset of *clone*?
"offsetof(struct dm_rq_clone_bio_info, orig)" is zero.

And now _rq_bio_info_cache has no user and can be removed.

Otherwise, I think it's nicer than the previous version.
Thank you.
--
Jun'ichi Nomura, NEC Corporation
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