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

From: Jun'ichi Nomura
Date: Mon May 28 2012 - 07:42:02 EST


On 05/28/12 09:57, Jun'ichi Nomura wrote:
> On 05/26/12 05:25, Kent Overstreet wrote:
>> - 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.

Additional comment:
frontpad is not necessary if type is DM_TYPE_BIO_BASED.
Please check conditional switches done in the same function for
pools->tio_pool.

--
Jun'ichi Nomura, NEC Corporation
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