Re: v4.16-rc1 + dm-mpath + BFQ

2018-05-10 Thread Laurence Oberman
On Thu, 2018-05-10 at 15:16 +, Bart Van Assche wrote: > On Fri, 2018-05-04 at 16:42 -0400, Laurence Oberman wrote: > > I was never able to reproduce Barts original issue using his tree > > and > > actual mlx5/cx4 hardware and ibsrp > > I enabled BFQ with no other s

Re: [PATCH V4 0/7] nvme: pci: fix & improve timeout handling

2018-05-10 Thread Laurence Oberman
On Thu, 2018-05-10 at 18:28 +0800, Ming Lei wrote: > On Sat, May 05, 2018 at 07:11:33PM -0400, Laurence Oberman wrote: > > On Sat, 2018-05-05 at 21:58 +0800, Ming Lei wrote: > > > Hi, > > > > > > The 1st patch introduces blk_quiesce_timeout() and > >

Re: [PATCH V3 0/3] blk-mq: improve IO perf in case of none io sched

2018-07-02 Thread Laurence Oberman
gt;  block/blk-mq-sched.c   | 14 -- >  block/blk-mq.c | 44 -- > -- >  include/linux/blk-mq.h |  3 ++- >  4 files changed, 51 insertions(+), 19 deletions(-) > > Cc: Kashyap Desai > Cc: Laurence Oberman > Cc: Omar Sandoval > Cc: Christoph Hellwig &g

Re: [PATCH] block: Clear kernel memory before copying to user

2018-11-07 Thread Laurence Oberman
t;   if (ret) >   goto cleanup; >   } else { > + zero_fill_bio(bio); >   iov_iter_advance(iter, bio->bi_iter.bi_size); >   } >   Straightforward, looks good from my view. Reviewed-by: Laurence Oberman

Re: [PATCH 2/2] blk-mq: provide a helper to check if a queue is busy

2018-11-08 Thread Laurence Oberman
On Thu, 2018-11-08 at 08:42 -0700, Jens Axboe wrote: > +static bool blk_mq_check_busy(struct blk_mq_hw_ctx *hctx, struct > request *rq, > + void *priv, bool reserved) > +{ > +   bool *busy = (bool *) priv; > + > +   /* > +    * If we find a request, we know t

Re: [PATCH] block: Fix blk_mq_try_issue_directly()

2019-04-04 Thread Laurence Oberman
LK_STS_OK if one of these functions is called. This > > > patch > > > avoids that blk_mq_dispatch_rq_list() crashes when using dm- > > > mpath. > > > > > > Cc: Christoph Hellwig > > > Cc: Hannes Reinecke > > > Cc: James Smart &

Re: [PATCH] block: Fix blk_mq_try_issue_directly()

2019-04-04 Thread Laurence Oberman
On Thu, 2019-04-04 at 08:28 -0700, Bart Van Assche wrote: > On Thu, 2019-04-04 at 11:09 -0400, Laurence Oberman wrote: > > When I bisected and got to that commit I was unable to revert it to > > test without it. > > I showed that in an earlier update, had merge issues. > &g

Re: [PATCH] block: Fix blk_mq_try_issue_directly()

2019-04-04 Thread Laurence Oberman
On Thu, 2019-04-04 at 08:28 -0700, Bart Van Assche wrote: > On Thu, 2019-04-04 at 11:09 -0400, Laurence Oberman wrote: > > When I bisected and got to that commit I was unable to revert it to > > test without it. > > I showed that in an earlier update, had merge issues. > &g

Re: [PATCH] block: Revert v5.0 blk_mq_request_issue_directly() changes

2019-04-04 Thread Laurence Oberman
27;false' in > > blk_mq_sched_insert_requests") # v5.0. > > * 7f556a44e61d ("blk-mq: refactor the code of issue request > > directly") # v5.0. > > I am fine to revert them now. > > However, could you revert them one by one so that they can be > reviewed

Re: [PATCH] block: Revert v5.0 blk_mq_request_issue_directly() changes

2019-04-05 Thread Laurence Oberman
On Fri, 2019-04-05 at 08:06 +0200, Christoph Hellwig wrote: > On Thu, Apr 04, 2019 at 10:08:43AM -0700, Bart Van Assche wrote: > > blk_mq_try_issue_directly() can return BLK_STS*_RESOURCE for > > requests that > > have been queued. If that happens when blk_mq_try_issue_directly() > > is called > >

Re: [PATCH] block: Fix blk_mq_try_issue_directly()

2019-04-09 Thread Laurence Oberman
please test this patch to see whether the issue could be > fixed ? > > Thanks > Jianchao > > > > diff --git a/block/blk-mq.c b/block/blk-mq.c > > index a9c1816..a3394f2 100644 > > --- a/block/blk-mq.c > > +++ b/block/blk-mq.c > > @@ -1813,7 +1813,7

Re: nvme: allow ANA support to be independent of native multipathing

2018-11-16 Thread Laurence Oberman
On Fri, 2018-11-16 at 14:28 -0500, Mike Snitzer wrote: > On Fri, Nov 16 2018 at  5:17am -0500, > Christoph Hellwig wrote: > > > On Fri, Nov 16, 2018 at 11:06:32AM +0100, Hannes Reinecke wrote: > > > Ok, so would you be happy with making ANA support configurable? > > > > I've looked a bit over th

Re: [PATCH] block: Restore tape support

2018-12-10 Thread Laurence Oberman
On Mon, 2018-12-10 at 12:17 +0100, Christoph Hellwig wrote: > On Sun, Dec 09, 2018 at 07:08:14PM -0800, Bart Van Assche wrote: > > According to what I found in > > https://bugzilla.kernel.org/show_bug.cgi?id=201935 patch "block: > > Clear > > kernel memory before copying to user" broke tape access.

Re: [PATCH] block: Restore tape support

2018-12-10 Thread Laurence Oberman
On Mon, 2018-12-10 at 08:36 -0700, Jens Axboe wrote: > On 12/10/18 8:32 AM, Keith Busch wrote: > > On Sun, Dec 09, 2018 at 07:08:14PM -0800, Bart Van Assche wrote: > > > According to what I found in > > > https://bugzilla.kernel.org/show_bug.cgi?id=201935 patch "block: > > > Clear > > > kernel memo

Re: [PATCH] block: Restore tape support

2018-12-10 Thread Laurence Oberman
uffer: 1 [  103.199711] st 2:0:0:0: [st0] Block size: 0, buffer size: 4096 (1 blocks). [  104.109081] st 2:0:0:0: [st0] Rewinding tape. Tested and works fine. Thanks All Tested-by: Laurence Oberman

Re: failed command: WRITE FPDMA QUEUED with Samsung 860 EVO

2019-01-02 Thread Laurence Oberman
On Wed, 2019-01-02 at 15:29 +, Sitsofe Wheeler wrote: > (Also trying linux-ide list) > > On Wed, 2 Jan 2019 at 15:25, Sitsofe Wheeler > wrote: > > > > Hi, > > > > I recently purchased a SATA Samsung 860 EVO SSD and put it in an > > old > > HP microserver (which has an AMD N36L). By default,

Re: failed command: WRITE FPDMA QUEUED with Samsung 860 EVO

2019-01-03 Thread Laurence Oberman
On Wed, 2019-01-02 at 11:10 -0500, Laurence Oberman wrote: > On Wed, 2019-01-02 at 15:29 +, Sitsofe Wheeler wrote: > > (Also trying linux-ide list) > > > > On Wed, 2 Jan 2019 at 15:25, Sitsofe Wheeler > > wrote: > > > > > > Hi, > > >

Re: failed command: WRITE FPDMA QUEUED with Samsung 860 EVO

2019-01-03 Thread Laurence Oberman
On Thu, 2019-01-03 at 13:28 -0500, Laurence Oberman wrote: > On Wed, 2019-01-02 at 11:10 -0500, Laurence Oberman wrote: > > On Wed, 2019-01-02 at 15:29 +, Sitsofe Wheeler wrote: > > > (Also trying linux-ide list) > > > > > > On Wed, 2 Jan 2019 at

Re: failed command: WRITE FPDMA QUEUED with Samsung 860 EVO

2019-01-03 Thread Laurence Oberman
On Thu, 2019-01-03 at 22:24 +, Sitsofe Wheeler wrote: > Hi, > > On Thu, 3 Jan 2019 at 20:47, Laurence Oberman > wrote: > > > > Hello > > > > I put the 860 in an enclosure (MSA50) driven by a SAS HBA > > (megaraid)sas) > > > > The b

Re: [PATCH] null_blk: add zoned config support information

2019-01-04 Thread Laurence Oberman
ed\n"); >   return -EINVAL; >  } >  static inline void null_zone_exit(struct nullb_device *dev) {} Looks good to me, useful change in my opinion. Reviewed-by: Laurence Oberman

Re: [PATCH] null_blk: add zoned config support information

2019-01-04 Thread Laurence Oberman
On Fri, 2019-01-04 at 08:46 -0800, Bart Van Assche wrote: > On Fri, 2019-01-04 at 10:42 -0500, John Pittman wrote: > >  static inline int null_zone_init(struct nullb_device *dev) > >  { > > + pr_info("CONFIG_BLK_DEV_ZONED not enabled\n"); > >   return -EINVAL; > >  } > > Have you considered to

Re: [PATCH 0/9] Introduce blk_quiesce_queue() and blk_resume_queue()

2016-10-11 Thread Laurence Oberman
; -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Hello I took Bart's latest patches from his tree and tested all

Re: [PATCH v5 14/14] nvme: Use BLK_MQ_S_STOPPED instead of QUEUE_FLAG_STOPPED in blk-mq code

2016-10-31 Thread Laurence Oberman
- Original Message - > From: "Bart Van Assche" > To: "Jens Axboe" > Cc: "Christoph Hellwig" , "James Bottomley" > , "Martin K. Petersen" > , "Mike Snitzer" , "Doug > Ledford" , "Keith &g

Re: [PATCH] SCSI: don't get target/host busy_count in scsi_mq_get_budget()

2017-11-08 Thread Laurence Oberman
On Wed, 2017-11-08 at 10:57 -0700, Jens Axboe wrote: > On 11/08/2017 09:41 AM, Bart Van Assche wrote: > > On Tue, 2017-11-07 at 20:06 -0700, Jens Axboe wrote: > > > At this point, I have no idea what Bart's setup looks like. Bart, > > > it > > > would be REALLY helpful if you could tell us how you

Re: [PATCHSET v5] blk-mq: reimplement timeout handling

2018-01-12 Thread Laurence Oberman
On Fri, 2018-01-12 at 20:57 +, Bart Van Assche wrote: > On Tue, 2018-01-09 at 08:29 -0800, Tejun Heo wrote: > > Currently, blk-mq timeout path synchronizes against the usual > > issue/completion path using a complex scheme involving atomic > > bitflags, REQ_ATOM_*, memory barriers and subtle me

Re: [PATCH 0/2] genirq/affinity: try to make sure online CPU is assgined to irq vector

2018-01-15 Thread Laurence Oberman
On Mon, 2018-01-15 at 18:43 +0100, Thomas Gleixner wrote: > On Tue, 16 Jan 2018, Ming Lei wrote: > > These two patches fixes IO hang issue reported by Laurence. > > > > 84676c1f21 ("genirq/affinity: assign vectors to all possible CPUs") > > may cause one irq vector assigned to all offline CPUs, th

Re: [PATCH 0/2] genirq/affinity: try to make sure online CPU is assgined to irq vector

2018-01-16 Thread Laurence Oberman
On Tue, 2018-01-16 at 12:25 +0100, Thomas Gleixner wrote: > On Tue, 16 Jan 2018, Ming Lei wrote: > > > On Mon, Jan 15, 2018 at 09:40:36AM -0800, Christoph Hellwig wrote: > > > On Tue, Jan 16, 2018 at 12:03:43AM +0800, Ming Lei wrote: > > > > Hi, > > > > > > > > These two patches fixes IO hang iss

Re: [PATCH 0/2] genirq/affinity: try to make sure online CPU is assgined to irq vector

2018-01-16 Thread Laurence Oberman
On Tue, 2018-01-16 at 15:22 +, Don Brace wrote: > > -Original Message- > > From: Laurence Oberman [mailto:lober...@redhat.com] > > Sent: Tuesday, January 16, 2018 7:29 AM > > To: Thomas Gleixner ; Ming Lei > .com> > > Cc: Christoph Hellwi

Re: [for-4.16 PATCH v6 0/3] blk-mq: improve DM's blk-mq IO merging via blk_insert_cloned_request feedback

2018-01-17 Thread Laurence Oberman
On Wed, 2018-01-17 at 23:31 +, Bart Van Assche wrote: > On Wed, 2018-01-17 at 11:58 -0500, Mike Snitzer wrote: > > On Wed, Jan 17 2018 at 11:50am -0500, > > Jens Axboe wrote: > > > > > On 1/17/18 9:25 AM, Mike Snitzer wrote: > > > > Hi Jens, > > > > > > > > Think this finally takes care of i

Re: [for-4.16 PATCH v6 0/3] blk-mq: improve DM's blk-mq IO merging via blk_insert_cloned_request feedback

2018-01-17 Thread Laurence Oberman
On Wed, 2018-01-17 at 23:53 +, Bart Van Assche wrote: > On Wed, 2018-01-17 at 18:43 -0500, Laurence Oberman wrote: > > On Wed, 2018-01-17 at 23:31 +, Bart Van Assche wrote: > > > On Wed, 2018-01-17 at 11:58 -0500, Mike Snitzer wrote: > > > > On Wed

Re: blk-mq: don't dispatch request in blk_mq_request_direct_issue if queue is busy

2018-01-17 Thread Laurence Oberman
t, and > > what we need to do is to return the queue busy info to caller, so > > that caller can deal with it well. > > > > Fixes: 396eaf21ee ("blk-mq: improve DM's blk-mq IO merging via > > blk_insert_cloned_request feedback") > > Rep

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

2018-01-18 Thread Laurence Oberman
On Thu, 2018-01-18 at 16:23 -0500, Mike Snitzer wrote: > On Thu, Jan 18 2018 at  3:58P -0500, > Bart Van Assche wrote: > > > On Thu, 2018-01-18 at 15:48 -0500, Mike Snitzer wrote: > > > For Bart's test the underlying scsi-mq driver is what is > > > regularly > > > hitting this case in __blk_mq_tr

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

2018-01-18 Thread Laurence Oberman
On Thu, 2018-01-18 at 17:01 -0500, Mike Snitzer wrote: > On Thu, Jan 18 2018 at  4:39pm -0500, > Bart Van Assche wrote: > > > On Thu, 2018-01-18 at 16:23 -0500, Mike Snitzer wrote: > > > On Thu, Jan 18 2018 at  3:58P -0500, > > > Bart Van Assche wrote: > > > > > > > On Thu, 2018-01-18 at 15:48

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

2018-01-18 Thread Laurence Oberman
On Thu, 2018-01-18 at 22:24 +, Bart Van Assche wrote: > On Thu, 2018-01-18 at 17:18 -0500, Laurence Oberman wrote: > > OK, I ran 5 at once of 5 separate mount points. > > I am using 4k block sizes > > Its solid consistent for me. No stalls no gaps. > > Hi Laurence,

Re: [PATCH] lib/scatterlist: Fix chaining support in sgl_alloc_order()

2018-01-19 Thread Laurence Oberman
;  srpt_handle_new_iu+0x61e/0x7f0 [ib_srpt] >  __ib_process_cq+0x55/0xa0 [ib_core] >  ib_cq_poll_work+0x1b/0x60 [ib_core] >  process_one_work+0x141/0x340 >  worker_thread+0x47/0x3e0 >  kthread+0xf5/0x130 >  ret_from_fork+0x1f/0x30 > > Fixes: e80a0af4759a ("lib/scatterlist: In

Re: [PATCH V2] blk-mq: introduce BLK_STS_DEV_RESOURCE

2018-01-23 Thread Laurence Oberman
On Tue, 2018-01-23 at 09:44 -0500, Mike Snitzer wrote: > On Tue, Jan 23 2018 at  9:27am -0500, > Ming Lei wrote: > > > Hello Martin, > > > > On Tue, Jan 23, 2018 at 08:30:41AM -0500, Martin K. Petersen wrote: > > > > > > Ming, > > > > > > > + * Block layer and block driver specific status, whi

Re: [PATCH V3] blk-mq: introduce BLK_STS_DEV_RESOURCE

2018-01-28 Thread Laurence Oberman
On Sun, 2018-01-28 at 16:57 +, Bart Van Assche wrote: > On Sat, 2018-01-27 at 23:58 -0500, Mike Snitzer wrote: > > On Sat, Jan 27 2018 at 10:00pm -0500, > > Bart Van Assche wrote: > > > > > On Sat, 2018-01-27 at 21:03 -0500, Mike Snitzer wrote: > > > > You cannot even be forthcoming about the

Re: [dm-devel] [PATCH v5] blk-mq: introduce BLK_STS_DEV_RESOURCE

2018-01-30 Thread Laurence Oberman
On Tue, 2018-01-30 at 09:52 -0800, Bart Van Assche wrote: > On 01/30/18 06:24, Mike Snitzer wrote: > > +  * > > +  * If driver returns BLK_STS_RESOURCE and > > SCHED_RESTART > > +  * bit is set, run queue after a delay to avoid IO > > stalls > > +  * that cou

Re: [PATCH V2 8/8] scsi: hpsa: use blk_mq to solve irq affinity issue

2018-02-05 Thread Laurence Oberman
; Cc: Don Brace > Cc: Kashyap Desai > Cc: Peter Rivera > Cc: Paolo Bonzini > Cc: Mike Snitzer > Tested-by: Laurence Oberman > Signed-off-by: Ming Lei > --- >  drivers/scsi/hpsa.c | 51 ++- > >  1 file changed, 3

Re: device support in hpasa, was: Re: OOPS from cciss_ioctl in 4.12+git

2017-07-07 Thread Laurence Oberman
On 07/07/2017 11:03 AM, Jens Axboe wrote: On 07/07/2017 09:00 AM, Christoph Hellwig wrote: On Thu, Jul 06, 2017 at 12:55:04PM +0300, Meelis Roos wrote: Also we're trying to move people away from the cciss driver, can you check if the hpsa SCSI driver works for you as well? I have older adap

Re: device support in hpsa, was: Re: OOPS from cciss_ioctl in 4.12+git

2017-07-07 Thread Laurence Oberman
On 07/07/2017 02:08 PM, Christoph Hellwig wrote: On Fri, Jul 07, 2017 at 11:42:38AM -0400, Laurence Oberman wrote: What happens when hpsa_allow_any=1 with the Smart Array 64xx It should probe. But only if it has a HP vendor ID as far as I can tell. We'd still need to add the compaq i

Re: [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance

2017-08-07 Thread Laurence Oberman
fine for me. I did uncover another issue that is unrelated to these patches and also exists in 4.13-RC3 generic that I am still debugging. For what its worth: Tested-by: Laurence Oberman

Re: [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance

2017-08-07 Thread Laurence Oberman
On 08/07/2017 11:27 AM, Bart Van Assche wrote: On Mon, 2017-08-07 at 08:48 -0400, Laurence Oberman wrote: I tested this series using Ming's tests as well as my own set of tests typically run against changes to upstream code in my SRP test-bed. My tests also include very large seque

Re: [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance

2017-08-07 Thread Laurence Oberman
On 08/07/2017 01:29 PM, Laurence Oberman wrote: On 08/07/2017 11:27 AM, Bart Van Assche wrote: On Mon, 2017-08-07 at 08:48 -0400, Laurence Oberman wrote: I tested this series using Ming's tests as well as my own set of tests typically run against changes to upstream code in my SRP tes

Re: [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance

2017-08-07 Thread Laurence Oberman
On 08/07/2017 02:46 PM, Laurence Oberman wrote: On 08/07/2017 01:29 PM, Laurence Oberman wrote: On 08/07/2017 11:27 AM, Bart Van Assche wrote: On Mon, 2017-08-07 at 08:48 -0400, Laurence Oberman wrote: I tested this series using Ming's tests as well as my own set of tests typicall

Re: [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance

2017-08-08 Thread Laurence Oberman
On 08/08/2017 09:41 AM, Ming Lei wrote: Hi Laurence and Guys, On Mon, Aug 07, 2017 at 06:06:11PM -0400, Laurence Oberman wrote: On Mon, Aug 7, 2017 at 8:48 AM, Laurence Oberman wrote: Hello I need to retract my Tested-by: While its valid that the patches do not introduce performance

Re: [v4.13-rc BUG] system lockup when running big buffered write(4M) to IB SRP via mpath

2017-08-08 Thread Laurence Oberman
On Tue, 2017-08-08 at 22:17 +0800, Ming Lei wrote: > Hi Guys, > > Laurence and I see a system lockup issue when running concurrent > big buffered write(4M bytes) to IB SRP on v4.13-rc3. > > 1 how to reproduce > > 1) setup IB_SRR & multi path > > #./start_opensm.sh > #./start_srp.sh 

Re: [v4.13-rc BUG] system lockup when running big buffered write(4M) to IB SRP via mpath

2017-08-08 Thread Laurence Oberman
On Tue, 2017-08-08 at 20:11 -0400, Laurence Oberman wrote: > > On Tue, 2017-08-08 at 22:17 +0800, Ming Lei wrote: > > > > Hi Guys, > > > >  > > > > Laurence and I see a system lockup issue when running > > concurrent > > > > big buffere

Re: [v4.13-rc BUG] system lockup when running big buffered write(4M) to IB SRP via mpath

2017-08-09 Thread Laurence Oberman
On 08/08/2017 10:28 PM, Laurence Oberman wrote: On Tue, 2017-08-08 at 20:11 -0400, Laurence Oberman wrote: On Tue, 2017-08-08 at 22:17 +0800, Ming Lei wrote: Hi Guys, Laurence and I see a system lockup issue when running concurrent big buffered write(4M bytes) to IB SRP on v4.13-rc3

Re: [PATCH V3 8/8] scsi: megaraid: improve scsi_mq performance via .host_tagset

2018-02-28 Thread Laurence Oberman
On Wed, 2018-02-28 at 23:21 +0800, Ming Lei wrote: > On Wed, Feb 28, 2018 at 08:28:48PM +0530, Kashyap Desai wrote: > > Ming - > > > > Quick testing on my setup -  Performance slightly degraded (4-5% > > drop)for > > megaraid_sas driver with this patch. (From 1610K IOPS it goes to > > 1544K) > > I

Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue

2018-03-01 Thread Laurence Oberman
lwig ; Mike Snitzer > > Cc: linux-s...@vger.kernel.org; Hannes Reinecke ; > > Arun Easi > > ; Omar Sandoval ; Martin K . > > Petersen ; James Bottomley > > ; Christoph Hellwig > .de>; > > Don Brace ; Kashyap Desai > > ; Peter Rivera > om>; > > Laurenc

Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue

2018-03-01 Thread Laurence Oberman
On Thu, 2018-03-01 at 14:01 -0500, Laurence Oberman wrote: > On Thu, 2018-03-01 at 16:18 +, Don Brace wrote: > > > -Original Message- > > > From: Ming Lei [mailto:ming@redhat.com] > > > Sent: Tuesday, February 27, 2018 4:08 AM > > > To: J

Re: [PATCH V3 0/8] blk-mq & scsi: fix reply queue selection and improve host wide tagset

2018-03-01 Thread Laurence Oberman
et above All functional I/O tests and boot tests passed with multiple concurrent fio runs. Original HPSA booting issue is also resolved and its important or we will have to revert original genirq commit commit 84676c1f21e8ff54befe985f4f14dc1edc10046b Tested-by: Laurence Oberman Thanks Laurence

Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue

2018-03-02 Thread Laurence Oberman
On Fri, 2018-03-02 at 10:16 +0800, Ming Lei wrote: > On Thu, Mar 01, 2018 at 04:19:34PM -0500, Laurence Oberman wrote: > > On Thu, 2018-03-01 at 14:01 -0500, Laurence Oberman wrote: > > > On Thu, 2018-03-01 at 16:18 +, Don Brace wrote: > > > > > -Original

Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue

2018-03-02 Thread Laurence Oberman
On Fri, 2018-03-02 at 15:03 +, Don Brace wrote: > > -Original Message- > > From: Laurence Oberman [mailto:lober...@redhat.com] > > Sent: Friday, March 02, 2018 8:09 AM > > To: Ming Lei > > Cc: Don Brace ; Jens Axboe > k>; > > linux-block@vge

Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue

2018-03-07 Thread Laurence Oberman
/8 from the V3 series. No issues running workload and no issues booting on the DL380G7. Don can you ack this so we can at least get this one in. Against: 4.16.0-rc4.v31of8+ on an x86_64 Tested-by: Laurence Oberman Thanks Laurence

Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue

2018-03-08 Thread Laurence Oberman
On Thu, 2018-03-08 at 21:42 +0800, Ming Lei wrote: > On Wed, Mar 07, 2018 at 09:11:37AM -0500, Laurence Oberman wrote: > > On Tue, 2018-03-06 at 14:24 -0500, Martin K. Petersen wrote: > > > Ming, > > > > > > > Given both Don and Laurence have verified that p

Re: [PATCH] Revert "blk-mq: remove code for dealing with remapping queue"

2018-04-24 Thread Laurence Oberman
ding regression. > > Reported-by: Laurence Oberman > Cc: Ewan Milne > Cc: Stefan Haberland > Cc: Christian Borntraeger > Cc: Christoph Hellwig > Cc: Sagi Grimberg > Signed-off-by: Ming Lei > --- >  block/blk-mq.c | 34 +++--- >

Re: [PATCH 0/3] scsi: scsi-mq: don't hold host_busy in IO path

2018-04-27 Thread Laurence Oberman
On Fri, 2018-04-27 at 15:48 +, Bart Van Assche wrote: > On Fri, 2018-04-27 at 09:39 -0600, Jens Axboe wrote: > > blk_mq_tagset_busy_iter(&shost->tag_set, scsi_host_check_in_flight, > > &in_flight); > > return in_flight.cnt + atomic_read(&shost->host_busy); > > > > The atomi

Re: v4.16-rc1 + dm-mpath + BFQ

2018-05-04 Thread Laurence Oberman
On Fri, 2018-05-04 at 22:11 +0200, Paolo Valente wrote: > > Il giorno 30 mar 2018, alle ore 18:57, Bart Van Assche > c...@wdc.com> ha scritto: > > > > On Fri, 2018-03-30 at 10:23 +0200, Paolo Valente wrote: > > > Still 4.16-rc1, being that the version for which you reported > > > this > > > issue

Re: [PATCH V4 0/7] nvme: pci: fix & improve timeout handling

2018-05-05 Thread Laurence Oberman
+- >  drivers/nvme/host/nvme.h |   5 + >  drivers/nvme/host/pci.c  | 304 > --- >  include/linux/blkdev.h   |  13 ++ >  7 files changed, 356 insertions(+), 47 deletions(-) > > Cc: Jianchao Wang > Cc: Christoph Hellwig > Cc: Sa

Re: [PATCH V4 0/7] nvme: pci: fix & improve timeout handling

2018-05-05 Thread Laurence Oberman
On Sat, 2018-05-05 at 19:11 -0400, Laurence Oberman wrote: > On Sat, 2018-05-05 at 21:58 +0800, Ming Lei wrote: > > Hi, > > > > The 1st patch introduces blk_quiesce_timeout() and > > blk_unquiesce_timeout() > > for NVMe, meantime fixes blk_sync_queue(). > >

Re: [PATCH V4 0/7] nvme: pci: fix & improve timeout handling

2018-05-05 Thread Laurence Oberman
On Sat, 2018-05-05 at 19:31 -0400, Laurence Oberman wrote: > On Sat, 2018-05-05 at 19:11 -0400, Laurence Oberman wrote: > > On Sat, 2018-05-05 at 21:58 +0800, Ming Lei wrote: > > > Hi, > > > > > > The 1st patch introduces blk_quiesce_timeout() and > >

Re: [4.10, panic, regression] iscsi: null pointer deref at iscsi_tcp_segment_done+0x20d/0x2e0

2017-01-04 Thread Laurence Oberman
- Original Message - > From: "Jan Kara" > To: "Johannes Weiner" > Cc: "Hugh Dickins" , "Linus Torvalds" > , "Dave Chinner" > , "Chris Leech" , "Linux Kernel > Mailing List" > , "Lee Duncan" , > open-is...@googlegroups.com, "Linux SCSI List" > , linux-block@vger.kernel.org, "Christoph

Re: [4.10, panic, regression] iscsi: null pointer deref at iscsi_tcp_segment_done+0x20d/0x2e0

2017-01-04 Thread Laurence Oberman
- Original Message - > From: "Laurence Oberman" > To: "Jan Kara" > Cc: "Johannes Weiner" , "Hugh Dickins" > , "Linus Torvalds" > , "Dave Chinner" , "Chris > Leech" , "Linux > Kernel

Re: packet writing support

2019-10-06 Thread Laurence Oberman
. It is therefore not going to be released to the general public. When it's finished, and it isn't at the moment, it's hopefully going to be part of your future processors. " Regards Laurence Oberman