From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "snitzer@redhat.com" <snitzer@redhat.com>,
"ming.lei@redhat.com" <ming.lei@redhat.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"hch@infradead.org" <hch@infradead.org>,
"sagi@grimberg.me" <sagi@grimberg.me>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"axboe@fb.com" <axboe@fb.com>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"jejb@linux.vnet.ibm.com" <jejb@linux.vnet.ibm.com>,
"loberman@redhat.com" <loberman@redhat.com>,
"dm-devel@redhat.com" <dm-devel@redhat.com>
Subject: Re: [PATCH 1/5] block: don't call blk_mq_delay_run_hw_queue() in case of BLK_STS_RESOURCE
Date: Tue, 19 Sep 2017 15:52:37 +0000 [thread overview]
Message-ID: <1505836356.2671.21.camel@wdc.com> (raw)
In-Reply-To: <20170919154823.GA22809@redhat.com>
On Tue, 2017-09-19 at 11:48 -0400, Mike Snitzer wrote:
> This thread proves that it is definitely brittle to be relying on fixed
> delays like this:
> https://patchwork.kernel.org/patch/9703249/
Hello Mike,
Sorry but I think that's a misinterpretation of my patch. I came up with that
patch before I had found and fixed the root cause of the high system load.
These fixes are upstream (kernel v4.13) which means that that patch is now
obsolete.
Bart.
next prev parent reply other threads:[~2017-09-19 15:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170915164456.9803-1-ming.lei@redhat.com>
2017-09-15 16:44 ` [PATCH 1/5] block: don't call blk_mq_delay_run_hw_queue() in case of BLK_STS_RESOURCE Ming Lei
2017-09-15 17:57 ` Bart Van Assche
2017-09-17 12:40 ` Ming Lei
2017-09-18 15:18 ` Bart Van Assche
2017-09-19 5:43 ` Ming Lei
2017-09-19 15:36 ` Bart Van Assche
2017-09-19 15:56 ` Mike Snitzer
2017-09-19 16:04 ` Ming Lei
2017-09-19 16:49 ` Bart Van Assche
2017-09-19 16:55 ` Ming Lei
2017-09-19 18:42 ` Bart Van Assche
2017-09-19 22:44 ` Ming Lei
2017-09-19 23:25 ` Bart Van Assche
2017-09-19 23:50 ` Mike Snitzer
2017-09-20 1:13 ` Ming Lei
2017-09-20 1:19 ` Ming Lei
2017-09-19 15:48 ` Mike Snitzer
2017-09-19 15:52 ` Bart Van Assche [this message]
2017-09-19 16:03 ` Mike Snitzer
2017-09-19 16:07 ` Ming Lei
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