From: Ming Lei <ming.lei@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>, Keith Busch <keith.busch@intel.com>,
linux-scsi@vger.kernel.org, linux-block@vger.kernel.org,
Martin Petersen <martin.petersen@oracle.com>,
Bart Van Assche <bvanassche@acm.org>
Subject: Re: [PATCHv4 0/3] scsi timeout handling updates
Date: Wed, 28 Nov 2018 18:07:01 +0800 [thread overview]
Message-ID: <20181128100659.GA16495@ming.t460p> (raw)
In-Reply-To: <20181128070010.GA20369@lst.de>
On Wed, Nov 28, 2018 at 08:00:10AM +0100, Christoph Hellwig wrote:
> On Wed, Nov 28, 2018 at 10:20:01AM +0800, Ming Lei wrote:
> > On Mon, Nov 26, 2018 at 10:33:32AM -0700, Jens Axboe wrote:
> > > On 11/26/18 9:54 AM, Keith Busch wrote:
> > > > The iterative update to the previous version taking into account review
> > > > comments.
> > > >
> > > > Background:
> > > >
> > > > The main objective is to remove the generic block layer's lock prefix
> > > > currently required to transition a request to its completed state by
> > > > shifting that expense to lower level drivers that actually need it,
> > > > and removing the software layering violation that was required to use
> > > > that mechnaism.
> > >
> > > Thanks Keith, added for 4.21.
> >
> > Hi Jens & Keith,
> >
> > Seems this patchset causes the following kernel panic, since not see
> > this issue with commit 4ab32bf3305e
>
> Is this the nvme target on top of null_blk?
Yes.
Thanks,
Ming
next prev parent reply other threads:[~2018-11-28 10:07 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-26 16:54 [PATCHv4 0/3] scsi timeout handling updates Keith Busch
2018-11-26 16:54 ` [PATCHv4 1/3] blk-mq: Return true if request was completed Keith Busch
2018-11-26 17:00 ` Christoph Hellwig
2018-11-26 16:54 ` [PATCHv4 2/3] scsi: Do not rely on blk-mq for double completions Keith Busch
2018-11-26 17:01 ` Christoph Hellwig
2018-11-26 16:54 ` [PATCHv4 3/3] blk-mq: Simplify request completion state Keith Busch
2018-11-26 17:01 ` Christoph Hellwig
2018-11-26 17:33 ` [PATCHv4 0/3] scsi timeout handling updates Jens Axboe
2018-11-28 2:20 ` Ming Lei
2018-11-28 7:00 ` Christoph Hellwig
2018-11-28 10:07 ` Ming Lei [this message]
2018-11-28 10:08 ` Christoph Hellwig
2018-11-28 15:49 ` Keith Busch
2018-11-28 15:58 ` Jens Axboe
2018-11-28 16:26 ` Keith Busch
2018-11-28 16:31 ` Jens Axboe
2018-11-28 17:56 ` Keith Busch
2018-11-29 1:18 ` Ming Lei
2018-11-28 22:31 ` Keith Busch
2018-11-28 23:36 ` Keith Busch
2018-11-29 17:11 ` Christoph Hellwig
2018-11-29 17:20 ` Keith Busch
2018-12-28 12:47 ` Hannes Reinecke
2018-11-29 2:15 ` Ming Lei
2018-11-29 2:39 ` Martin K. Petersen
2018-11-29 8:12 ` Ming Lei
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