Re: [dm-devel] [PATCH v5 02/12] dm: Use bioset's front_pad for dm_rq_clone_bio_info

[Joseph Glanville <joseph glanville orionvm com au>]

Hi Kent, Tejun

On 9 August 2012 09:57, Kent Overstreet <koverstreet google com> wrote:
>> Also, how was this tested?
>
> Well, AFAICT the only request based dm target is multipath, and from the
> documentation I've seen it doesn't appear to work without multipath
> hardware, or at least I haven't seen it documented how. So, unless
> there's another user I missed it's not been tested.

Multipath can be tested quite easily with a loopback scsi target, you
don't require specialized hardware.
The easiest way to do this would probably be the built in LIO target +
open_iscsi initiator.

I haven't attempted running this current version of the patch series
but I haven't run into issues with bcache+multipath in the past.

>
>>
>> Thanks.
>>
>> --
>> tejun
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