Re: [PATCH V2] blk-mq: count the hctx as active before allocate tag

Date: Wed Aug 08 2018 - 21:24:35 EST

Hi Jens

On 08/08/2018 10:40 PM, Jens Axboe wrote:
> On 8/8/18 3:56 AM, Jianchao Wang wrote:
>> Currently, we count the hctx as active after allocate driver tag
>> successfully. The other shared-tags users could exhaust the driver
>> tags and starve a non-active and waiting-tag hctx. Count the hctx as
>> active before try to allocate driver tag to fix this.
> Patch looks good, but please add some comments along the way.

Yes, I will do that and post the V3.