Re: [PATCH 07/11] block: get rid of blk_trace_request_get_cgid()

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On Wed, Jul 01, 2020 at 04:38:06AM +0000, Chaitanya Kulkarni wrote:
> On 6/29/20 10:12 PM, Christoph Hellwig wrote:
> > On Mon, Jun 29, 2020 at 04:43:10PM -0700, Chaitanya Kulkarni wrote:
> >> Now that we have done cleanup we can safely get rid of the
> >> blk_trace_request_get_cgid() and replace it with
> >> blk_trace_bio_get_cgid().
> > To me the helper actually looks useful compared to open coding the
> > check in a bunch of callers.
> > 
> 
> The helper adds an additional function call which can be avoided easily
> since blk_trace_bio_get_cgid() is written nicely, that also maintains
> the readability of the code.
> 
> Unless the cost of the function call doesn't matter and readability is
> not lost can we please not use helper ?

I think readability is lost.  I'd much rather drop the q argument
from blk_trace_request_get_cgid and keep the helper, as it pretty
clearly documents what is done.



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