On 6/29/20 5:32 PM, John Garry wrote:
Hi all,
I noticed that sbitmap_bitmap_show() only shows set bits and does not
consider cleared bits. Is that the proper thing to do?
I ask, as from trying to support sbitmap_bitmap_show() for hostwide
shared tags feature, we currently use blk_mq_queue_tag_busy_iter() to
find active requests (and associated tags/bits) for a particular hctx.
So, AFAICT, would give a change in behavior for sbitmap_bitmap_show(),
in that it would effectively show set and not cleared bits.
Why would you need to do this?
Where would be the point traversing cleared bits?
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
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