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Subject: Re: [PATCH] io_uring/wait: make check for pending io consider cached
 task references
To: Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, t.lamprecht@proxmox.com
References: <20260427165910.683941-1-f.ebner@proxmox.com>
 <81c9150f-1f19-417f-bdb8-ada97f0b8ea2@kernel.dk>
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From: Fiona Ebner <f.ebner@proxmox.com>
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Am 27.04.26 um 7:17 PM schrieb Jens Axboe:
> On 4/27/26 10:58 AM, Fiona Ebner wrote:
>> The io_uring task's inflight count also includes the reservations for
>> task references from io_task_refs_refill(), not just in-flight
>> requests. Thus, pending requests are present if the inflight count is
>> larger than the number of cached references.
>>
>> Co-developed-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
>> Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
>> Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
> 
> Looks go to me! Just needs:
> 
> Cc: stable@vger.kernel.org
> Fixes: 7b72d661f1f2 ("io_uring: gate iowait schedule on having pending requests")
> 
> tags added, I will do that. Thanks for debugging this and sending a fix.
> 

Thank you!