From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: Keith Busch <kbusch@kernel.org>,
linux-nvme@lists.infradead.org, sagi@grimberg.me, hch@lst.de,
"Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH] nvme-pci: calculate IO timeout
Date: Wed, 13 Oct 2021 11:46:00 -0400 [thread overview]
Message-ID: <yq1zgrdnda9.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <YWb8iVY74vWZiMCU@T590> (Ming Lei's message of "Wed, 13 Oct 2021 23:34:33 +0800")
Ming,
> SCSI have such mechanism so that queue depth can be adjusted according
> to the feedback, and Martin is familiar with this field.
I'm afraid that queue busy feedback is a bit of a controversial topic in
NVMe.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2021-10-13 15:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-13 2:27 [PATCH] nvme-pci: calculate IO timeout Keith Busch
2021-10-13 5:03 ` Christoph Hellwig
2021-10-13 10:53 ` Sagi Grimberg
2021-10-13 15:34 ` Ming Lei
2021-10-13 15:46 ` Martin K. Petersen [this message]
2021-10-13 15:53 ` Keith Busch
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