Re: [PATCH 7/9] block: implement bio_associate_current()

[Vivek Goyal]

On Thu, Feb 16, 2012 at 02:37:56PM -0800, Tejun Heo wrote:

[..]
> This patch implements bio_associate_current() which associates the
> specified bio with %current.  The bio will record the associated ioc
> and blkcg at that point and block layer will use the recorded ones
> regardless of which task actually ends up issuing the bio.  bio
> release puts the associated ioc and blkcg.

How about storing blkcg information in io_context instead of bio. We will
have less copies of bio pointers and I think logically it makes sense.

Thanks
Vivek
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