Thank you for finding this and fixing it. This issue has been giving us
grief for months, and this patch appears to resolve the problem.
In our case, it seemed to have much greater severity with the RHEL / CentOS
7.x Linux 3.10 kernel when tied to SolidFire iSCSI based storage. This
caused it to
On Thu, Jun 09, 2022 at 05:47:10PM +0100, Stefan Hajnoczi wrote:
> An unlucky I/O pattern can result in stalled Linux AIO requests when the
> plugged counter becomes unbalanced. See Patch 1 for details.
>
> Patch 2 adds a comment to explain why the laio_io_unplug() even checks max
> batch in the
An unlucky I/O pattern can result in stalled Linux AIO requests when the
plugged counter becomes unbalanced. See Patch 1 for details.
Patch 2 adds a comment to explain why the laio_io_unplug() even checks max
batch in the first place.
Stefan Hajnoczi (2):
linux-aio: fix unbalanced plugged
