> > On 22/12/2021 11:20, Kashyap Desai wrote: > > Yes, above is the same changes I was looking for. I did very basic > > mistake. > > I applied your above commit while doing megaraid_sas testing. > > While I move to mpi3mr testing, I did not apply your patch set. > > But I did not think that my patch would help mpi3mr since it does not use > host_tagset. Internally we are testing performance check for mpi3mr. We want to make sure performance is not impacted due to shared host_tagset before we apply the feature. > > > We can drop > > request of this RFT since I tested above series and it serve the same > > purpose. > > ok, fine. > > And just to confirm, do you now think that we need to fix any older kernel > with some backport of my changes? I think that we would just need to > consider 5.16 (when it becomes stable), 5.15, and and 5.10 It need full patch set (below) + associated fixes. [1] " blk-mq: Use shared tags for shared sbitmap support" Commit - e155b0c238b20f0a866f4334d292656665836c8a Below commit cannot go to stable without [1]. https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-5.17/block&id=fea9f92f1748083cb82049ed503be30c3d3a9b69 I am not sure if stable requirement fits in this case. I mean large patch-set is OK ? Kashyap > > Thanks, > John
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