From: Adrian Hunter <adrian.hunter@intel.com>
To: "hch@lst.de" <hch@lst.de>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
Jens Axboe <axboe@kernel.dk>
Cc: Bart Van Assche <Bart.VanAssche@wdc.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Vinayak Holikatti <vinholikatti@gmail.com>,
Subhash Jadavani <subhashj@codeaurora.org>
Subject: Re: [PATCH] Revert "scsi: default to scsi-mq"
Date: Wed, 16 Aug 2017 14:13:43 +0300 [thread overview]
Message-ID: <c9cb1e15-ccd7-94e3-f064-a89c71237ff8@intel.com> (raw)
In-Reply-To: <1502724064.2333.5.camel@wdc.com>
On 14/08/17 18:21, Bart Van Assche wrote:
> On Sun, 2017-08-13 at 19:44 +0200, Christoph Hellwig wrote:
>> Defaulting to scsi-mq in 4.13-rc has shown various regressions
>> on setups that we didn't previously consider. Fixes for them are
>> in progress, but too invasive to make it in this cycle. So for
>> now revert the commit that defaults to blk-mq for SCSI. For 4.14
>> we'll plan to try again with these fixes.
>
> Should a patch for v4.14 perhaps be queued now?
Please consider adding support for runtime pm first. For people using
scsi/ufs/ufshcd it might be an essential feature.
next prev parent reply other threads:[~2017-08-16 11:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-13 17:44 [PATCH] Revert "scsi: default to scsi-mq" Christoph Hellwig
2017-08-14 6:23 ` Hannes Reinecke
2017-08-14 15:21 ` Bart Van Assche
2017-08-16 11:13 ` Adrian Hunter [this message]
2017-08-14 15:50 ` Dave Kleikamp
2017-08-15 2:58 ` Martin K. Petersen
2017-08-16 5:53 ` [lkp-robot] [scsi] 39b54b0fd0: fileio.requests_per_sec 11.9% improvement kernel test robot
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