eak/goto/return/fallthrough statements instead of just
> letting the code fall through to the next case.
>
> [...]
Applied to 5.11/scsi-queue, thanks!
[054/141] target: Fix fall-through warnings for Clang
https://git.kernel.org/mkp/scsi/c/492096ecfa39
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Martin K. Petersen
Gustavo,
> This series aims to fix almost all remaining fall-through warnings in
> order to enable -Wimplicit-fallthrough for Clang.
Applied 20-22,54,120-124 to 5.11/scsi-staging, thanks.
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Martin K. Petersen Oracle Linux Engin
b: zstd: Avoid comma separated statements
(no commit info)
[27/29] ipv6: fib6: Avoid comma separated statements
(no commit info)
[28/29] sunrpc: Avoid comma separated statements
(no commit info)
[29/29] tools: Avoid comma separated statements
(no commit info)
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However, now
> they each get their own copy, which leads to a huge increase in stack
> usage as seen from the compiler warning:
Applied to 5.3/scsi-fixes. Thank you!
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-queue and 5.3/scsi-sg.
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Bart,
> Do you perhaps plan to push out these patches at a later time? It
> seems like that branch has not been updated recently:
I had a test failure on this end, that's why I didn't push. Appears to
be hardware-related, though. Still looking into it.
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Oh, and I held back the rtsx patch due to lack of reviews. But since
that driver is in staging I'm not too worried about it. Hope we can get
the fix for that reviewed and merged soon.
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e in 4.21 so this patch isn't needed.
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gt; because at the beginning of vmbus_open() we checked newchannel->state so
> only one path could succeed, and the other would return with -EINVAL.
Applied to 4.20/scsi-fixes. Thank you!
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_
been moved out of pvscsi_release_resources.
Applied to 4.20/scsi-fixes, thanks!
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Michael,
> Current code allocates 240 Kbytes (in typical configs) for each
> synthetic SCSI controller to use as temp cpumask variables. Recode to
> avoid needing the temp cpumask variables and remove the memory
> allocation.
Applied to 4.18/scsi-queue. Thanks!
--
Martin
Long,
> If num_cpus=1, we don't have any sub channels.
>
> The host offers one sub channel for VM with 5 CPUs, after that it offers
> an additional sub channel every 4 CPUs.
>
> The primary channel is always offered.
Applied to 4.17/scsi-fixes. Thanks!
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to take advantage of cache locality.
Applied to 4.18/scsi-queue. Thank you!
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Long,
> Can you take a look at the following patch?
>> > + max_sub_channels =
>> > + (num_cpus - 1) / storvsc_vcpus_per_sub_channel;
What happens if num_cpus = 1?
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_
i-queue. Thanks!
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ed an ack from davem.
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Michael,
> Increase cmd_per_lun to allow more I/Os in progress per device,
> particularly for NVMe's. The Hyper-V host side can handle the higher
> count with no issues.
Applied to 4.16/scsi-fixes. Thank you!
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ode, skewing
> the interrupt load to that CPU.
Applied to 4.16/scsi-fixes. Thanks!
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> Increase cmd_per_lun to allow more I/Os in progress per device,
> particularly for NVMe's. The Hyper-V host side can handle the
> higher count with no issues.
Long/KY/Cathy/Stephen: Please ack/review Michael's patches.
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Martin K. Petersen Oracle Linux En
Dan,
> We should set the error code if fc_remote_port_add() fails.
Applied to 4.16/scsi-queue, thanks!
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-fixes. Thank you!
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SCSI
> host.
Applied to 4.15/scsi-queue with some fuzz. Please verify, thanks!
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:
> Replaced create_singlethread_workqueue with
> alloc_ordered_workqueue [Christoph Hellwig]
>
> Added reviewed by's.
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s guarantee and use WQ_MEM_RECLAIM if so.
Cathy?
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Long,
>> Which kernel version is this patch aimed at?
>
> Martin, thanks for pointing this out. This should also go to stable
> trees.
The reason I asked is that it didn't apply to neither fixes, nor
for-next.
I applied it to 4.13/scsi-fixes by hand and added a stable tag
busy, the storvsc
> allocated buffer descriptor should also be freed.
Which kernel version is this patch aimed at?
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Bhumika,
> Make these const as they are only stored in the type field of a device
> structure, which is const.
Applied to 4.14/scsi-queue. Thanks!
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the path of least resistance.
Acked-by: Martin K. Petersen <martin.peter...@oracle.com>
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Stephen,
> These are refactoring changes to the Hyper-V scsi driver.
Applied to 4.13/scsi-queue. Thanks!
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ator rport role in the fc transport.
Applied to 4.12/scsi-queue, thanks!
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.
Whereas now is a good time to send submissions for 4.12...
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non-existent LUNs.
Stephen> By setting the correct blacklist flags, the target with the DVD
Stephen> device is scanned with REPORTLUN and that works correctly.
Applied to 4.11/scsi-fixes. Thank you!
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Martin K. Petersen Oracle Linux Engineering
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>>>>> "kys" == kys <k...@exchange.microsoft.com> writes:
kys> From: K. Y. Srinivasan <k...@microsoft.com> Miscellaneous fixes and
kys> enhancements.
Applied to 4.11/scsi-queue.
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Martin K. Petersen Oracle Linux Engineering
__
>>>>> "Cathy" == Cathy Avery <cav...@redhat.com> writes:
Cathy> On a 32 bit kernel sizeof(void *) is not 64 bits as hv_mpb_array
Cathy> requires. Also the buffer needs to be cleared or the upper bytes
Cathy> will contain junk.
Applied to 4.10/scsi-queue.
>>>>> "KY" == KY Srinivasan <k...@microsoft.com> writes:
KY> Done.
Thank you!
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>>>>> "Cathy" == Cathy Avery <cav...@redhat.com> writes:
Cathy> On a 32 bit kernel sizeof(void *) is not 64 bits as hv_mpb_array
Cathy> requires. Also the buffer needs to be cleared or the upper bytes
Cathy> will contain junk.
K.Y.: Please review!
t;> Are you really sure 32 is the correct size?
Olaf> Its a size that works, while the current state does not work at
Olaf> all.
>> I know 32 it what it had before, but the reason for the commit you
>> quote was to improve performance ...
Olaf> The commit above broke 32b
whitespace and applied to 4.8/scsi-queue.
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ose
files. And whether an alternative to the FC transport would be a better
solution.
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es. With this
KY> change, I now have wwn names published in the guest and I can also
KY> issue manual scan.
Why does it have to look like FC? Will a device identification VPD page
not do the trick?
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TATUS_ABORTED |
Vitaly> SRB_STATUS_AUTOSENSE_VALID) case a dead code. The logic from
Vitaly> this branch (e.g. storvsc_device_scan() call) is still required,
Vitaly> fix the check.
Applied to 4.5/scsi-fixes.
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__
>>>>> "kys" == K Y Srinivasan <k...@microsoft.com> writes:
kys> With this commit, the storvsc driver depends on FC
kys> atttributes. Make this dependency explicit.
Applied to 4.6/scsi-queue.
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Martin K. P
>>>>> "Dan" == Dan Carpenter <dan.carpen...@oracle.com> writes:
Dan> The module_param is "storvsc_vcpus_per_sub_channel" so we need to
Dan> use that for MODULE_PARM_DESC() as well.
Applied to 4.5/scsi-queue.
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M
>>>>> "KYS" == K Y Srinivasan <k...@microsoft.com> writes:
The template discussion appears to have lost momentum and since the
concerns were minor I have applied your latest series to 4.5/scsi-queue.
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shooting
Long> purposes.
Applied to 4.5/scsi-queue.
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block provisioning heuristics and is not affected by
no_write_same at all.
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, BLIST_TRY_VPD_PAGES},
Is that version field meaningful or is it safe for us to inquire about
VPD pages without problems on older versions?
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http
blacklist
option.
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)
{
if (sdp-host-max_cmd_len 16)
return 0;
if (sdp-try_rc_10_first)
return 0;
if (sdp-scsi_level SCSI_SPC_2)
return 1;
if (scsi_device_protection(sdp))
return 1;
return 0;
}
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Martin K. Petersen
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes:
Sitsofe A previous patch attempted to add a quirk to workaround this
Sitsofe but the quirk was only enabled after the features had been
Sitsofe scanned for, wouldn't work for small disks
What does that mean, exactly?
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this as a problem with Microsoft's
interpretation of the T10 SBC spec. And they promised that they are
going to fix that.
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http
KY == KY Srinivasan k...@microsoft.com writes:
KY We will fix this bug in the next release of Windows; we are also
KY looking at backporting the fix to prior versions of Windows.
Excellent. Thanks for looking into this!
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(see 6.6.4).
That's a shall. The LBP VPD elaborates on the provisioning type,
commands preference, etc. But it's all gated by LBPME=1 in the READ
CAPACITY(16) response.
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de
a reasonable level of confidence in what's
happening down the stack before I entertain turning something on that's
not being properly advertised.
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http
set but because LBPME is reported as disabled we
will not attempt to issue UNMAP commands to the device.
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is that a single UNMAP command may turn
into many, many, many DSM TRIM commands on the underlying SATA device.
That's why we went with WRITE SAME for the internal Linux SATL, capping
the maximum number of blocks to what we can fit in a single DSM TRIM
command.
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series. Namely sending down commands
unsupported by the target device.
This kind of thing really needs to be a sysadmin decision and can be
handled with a udev rule.
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likely to be blacklisted by default by a vendor SATL.
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with a Linux implementation readily
available it's hard to get them to test since Linux is not a tier 1
platform in the consumer segment. For enterprise drives it's an entirely
different matter, of course...
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was meant for an
entirely different purpose.
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and it does
fix the problem at hand. That's why I went that route.
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we'll
set no_write_same=1 and disable REQ_WRITE_SAME support.
If a WRITE SAME(10/16) command fails and the UNMAP bit is set we'll
disable REQ_DISCARD support.
Not sure where the 10 vs. 16 byte 2TB limitation comes into play here?
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Martin K. Petersen Oracle Linux Engineering
. So in many cases we end up maxing out the payload capacity
even with a single contiguous range.
We expect LBP SCSI devices to queue commands. Being able to express
multiple ranges in one shot is less critical in that case.
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= mandatory VPD lookup thing for bit.
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page inquiries on devices that are known to support them.
Reported-by: KY Srinivasan k...@microsoft.com
Signed-off-by: Martin K. Petersen martin.peter...@oracle.com
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 4a6e4ba5a400..a5b1a224628a 100644
--- a/drivers/scsi/scsi_scan.c
what does the storsvc report as its thin provisioning capabilities?
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