Messages in this thread | | | Date | Thu, 6 Sep 2012 15:28:49 -0700 | From | Kent Overstreet <> | Subject | Re: [dm-devel] [PATCH v8 3/8] dm: Use bioset's front_pad for dm_rq_clone_bio_info |
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On Thu, Sep 06, 2012 at 12:21:15PM +0900, Jun'ichi Nomura wrote: > On 09/06/12 05:27, Kent Overstreet wrote: > > @@ -2718,7 +2705,8 @@ struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity) > > if (!pools->tio_pool) > > goto free_io_pool_and_out; > > > > - pools->bs = bioset_create(pool_size, 0); > > + pools->bs = bioset_create(pool_size, > > + offsetof(struct dm_rq_clone_bio_info, clone)); > > if (!pools->bs) > > goto free_tio_pool_and_out; > > frontpad is not necessary if type is DM_TYPE_BIO_BASED. > > Other pool creation in that function do something like: > pools->bs = (type == DM_TYPE_BIO_BASED) ? > bioset_create(pool_size, 0) : > bioset_create(pool_size, offsetof(struct dm_rq_clone_bio_info, clone)); >
Eh, it doesn't really matter considering it's two pointers of padding and struct bio + the inline vecs are something like 200 bytes, but I can do it if it makes you happy. Can I get someone's acked-by?
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