From: Sha Zhengju handai@taobao.com
There're severel interfaces to show scsi_level value of scsi_debug,
but they're not in consistent, e.g.:
1)
#cat /sys/bus/pseudo/drivers/scsi_debug/scsi_level
5
2)
#cat /proc/scsi/scsi_debug/7
scsi_debug adapter driver, version 1.82 [20100324]
num_tgts=1,
From: Sha Zhengju handai@taobao.com
As per Doug Gilbert's suggestion, introduce a new variable to represent
the resp[2] of standard INQUIRY data. For different scsi devices, the
linux scsi_level is computed based on the resp[2] value. This will make
the code more easier to understand.
-Original Message-
From: Hannes Reinecke [mailto:h...@suse.de]
Sent: Tuesday, January 14, 2014 2:56 PM
To: James Bottomley
Cc: linux-scsi@vger.kernel.org; Vijaya Mohan Guvva; Hannes Reinecke
Subject: [PATCH] bfa: set correct command return code
For various error conditions the bfa
From: walt
On 01/21/2014 01:51 AM, David Laight wrote:
From: Sarah Sharp
On Mon, Jan 20, 2014 at 11:21:14AM +, David Laight wrote:
...
A guess...
In queue_bulk_sg_tx() try calling xhci_v1_0_td_remainder() instead
of xhci_td_remainder().
David, I tried the one-liner below,
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k limitation for file system block sizes. Some devices in
production today and others coming soon have larger sectors and it
would be interesting to see if it is
https://bugzilla.kernel.org/show_bug.cgi?id=69201
Bug ID: 69201
Summary: qla2xxx: Low-latency storage triggers lock contention
Product: SCSI Drivers
Version: 2.5
Kernel Version: 3.12.7
Hardware: All
OS: Linux
https://bugzilla.kernel.org/show_bug.cgi?id=69201
--- Comment #1 from Bart Van Assche bvanass...@acm.org ---
Created attachment 123011
-- https://bugzilla.kernel.org/attachment.cgi?id=123011action=edit
perf report --stdio output
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On 1/22/2014 2:43 AM, Roland Dreier wrote:
On Tue, Jan 21, 2014 at 2:00 PM, Or Gerlitz or.gerl...@gmail.com wrote:
Roland, ping! the signature patches were posted three months ago. We
deserve a response from the maintainer that goes beyond I need to
think on that.
Responsiveness was stated by
On 1/22/2014 12:17 AM, Nicholas A. Bellinger wrote:
On Sun, 2014-01-19 at 14:12 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support to target_submit_cmd_map_sgls() for
accepting 'sgl_prot' +
On 1/22/2014 3:52 AM, Martin K. Petersen wrote:
Sagi == Sagi Grimberg sa...@dev.mellanox.co.il writes:
Sagi Please remind me why we ignore IP-CSUM guard type again? MKP,
Sagi will this be irrelevant for the initiator as well? if so, I don't
Sagi see a reason to expose this in RDMA verbs.
I
On 1/22/2014 12:28 AM, Nicholas A. Bellinger wrote:
On Sun, 2014-01-19 at 14:31 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF protection init/format support into
the FILEIO backend.
Could I have 5mins of your time to discuss a life changingmatter with you?
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On 01/22/2014 04:34 AM, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k limitation for file system block sizes. Some devices in
production today and others coming soon have larger sectors and
On Wed, Jan 22, 2014 at 09:10:48AM -0500, Ric Wheeler wrote:
On 01/22/2014 04:34 AM, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k limitation for file system block sizes. Some devices in
On 01/22/2014 09:34 AM, Mel Gorman wrote:
On Wed, Jan 22, 2014 at 09:10:48AM -0500, Ric Wheeler wrote:
On 01/22/2014 04:34 AM, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k limitation for
On Wed, 2014-01-22 at 09:34 +, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k limitation for file system block sizes. Some devices in
production today and others coming soon have
On Wed, Jan 22, 2014 at 09:58:46AM -0500, Ric Wheeler wrote:
On 01/22/2014 09:34 AM, Mel Gorman wrote:
On Wed, Jan 22, 2014 at 09:10:48AM -0500, Ric Wheeler wrote:
On 01/22/2014 04:34 AM, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been
On Tue, 2014-01-21 at 22:04 -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current 4k
limitation for file system block sizes. Some devices in production today and
others coming soon have larger sectors and it would be interesting to see if
it
is time
On Wed, 2014-01-22 at 15:14 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:34 +, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k limitation for file system block sizes. Some
On 01/22/2014 11:03 AM, James Bottomley wrote:
On Wed, 2014-01-22 at 15:14 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:34 +, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has been lurking forever at the edges is the current
4k
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
exception cases into transport_send_check_condition_and_sense().
This includes:
LOGICAL BLOCK GUARD CHECK FAILED
LOGICAL
On Wed, 2014-01-22 at 15:19 +, Mel Gorman wrote:
On Wed, Jan 22, 2014 at 09:58:46AM -0500, Ric Wheeler wrote:
On 01/22/2014 09:34 AM, Mel Gorman wrote:
On Wed, Jan 22, 2014 at 09:10:48AM -0500, Ric Wheeler wrote:
On 01/22/2014 04:34 AM, Mel Gorman wrote:
On Tue, Jan 21, 2014 at
On Wed, 2014-01-22 at 11:45 -0500, Ric Wheeler wrote:
On 01/22/2014 11:03 AM, James Bottomley wrote:
On Wed, 2014-01-22 at 15:14 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:34 +, Mel Gorman wrote:
On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
One topic that has
On Wed, 2014-01-22 at 17:02 +, Chris Mason wrote:
On Wed, 2014-01-22 at 15:19 +, Mel Gorman wrote:
On Wed, Jan 22, 2014 at 09:58:46AM -0500, Ric Wheeler wrote:
On 01/22/2014 09:34 AM, Mel Gorman wrote:
On Wed, Jan 22, 2014 at 09:10:48AM -0500, Ric Wheeler wrote:
On 01/22/2014
On 1/22/2014 12:48 AM, Nicholas A. Bellinger wrote:
+ cmd-prot_handover = PROT_SEPERATED;
I know that we are not planning to support interleaved mode at the
moment, But I think
that the protection handover type is the backstore preference and should
be taken from se_dev.
But it is not
On Wed, 2014-01-22 at 09:21 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 17:02 +, Chris Mason wrote:
[ I like big sectors and I cannot lie ]
I really think that if we want to make progress on this one, we need
code and someone that owns it. Nick's work was impressive, but it
On Wed, 2014-01-22 at 18:02 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:21 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 17:02 +, Chris Mason wrote:
[ I like big sectors and I cannot lie ]
I think I might be sceptical, but I don't think that's showing in my
concerns ...
On 01/22/2014 01:13 PM, James Bottomley wrote:
On Wed, 2014-01-22 at 18:02 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:21 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 17:02 +, Chris Mason wrote:
[ I like big sectors and I cannot lie ]
I think I might be sceptical, but I
On Wed, 2014-01-22 at 13:17 -0500, Ric Wheeler wrote:
On 01/22/2014 01:13 PM, James Bottomley wrote:
On Wed, 2014-01-22 at 18:02 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:21 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 17:02 +, Chris Mason wrote:
[ I like big sectors
On Wed, 2014-01-22 at 10:13 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 18:02 +, Chris Mason wrote:
We're likely to have people mixing 4K drives and fill in some other
size here on the same box. We could just go with the biggest size and
use the existing bh code for the
On 01/22/2014 01:35 PM, James Bottomley wrote:
On Wed, 2014-01-22 at 13:17 -0500, Ric Wheeler wrote:
On 01/22/2014 01:13 PM, James Bottomley wrote:
On Wed, 2014-01-22 at 18:02 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:21 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 17:02
On Wed, 2014-01-22 at 18:37 +, Chris Mason wrote:
On Wed, 2014-01-22 at 10:13 -0800, James Bottomley wrote:
On Wed, 2014-01-22 at 18:02 +, Chris Mason wrote:
[agreement cut because it's boring for the reader]
Realistically, if you look at what the I/O schedulers output on a
standard
James,
I'd like to attend to participate in the EH, MQ, and T10 PI RDMA
discussions.
-- james s
On 1/16/2014 11:29 AM, Sagi Grimberg wrote:
On 1/16/2014 1:05 AM, Nicholas A. Bellinger wrote:
Hi all,
I'd like to discuss the current state of scsi-mq prototype code.
And now that blk-mq
Hello,
I would like to attend LSF/MM 2014. I would like to continue
discussions held on the eh enhancements, multi-queue, and addition of
T10-PI to RDMA/iSER.
I'm currently the maintainer of the Emulex lpfc driver and bring years
of scsi, driver, firmware, and asic experience.
thank
On Wed, 2014-01-22 at 13:39 -0500, Ric Wheeler wrote:
On 01/22/2014 01:35 PM, James Bottomley wrote:
On Wed, 2014-01-22 at 13:17 -0500, Ric Wheeler wrote:
[...]
I think that the key to having the file system work with larger
sectors is to
create them properly aligned and use the actual,
I am Howard Maxim,retired professional broker.I have a project for you or
your firm.My private email is project20...@gmail.com
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On 01/22/2014 01:37 PM, Chris Mason wrote:
Circling back to what we might talk about at the conference, Ric do you
have any ideas on when these drives might hit the wild?
-chris
I will poke at vendors to see if we can get someone to make a public statement,
but I cannot do that for them.
Ric
On Wed, 22 Jan 2014 11:30:19 -0800 James Bottomley
james.bottom...@hansenpartnership.com wrote:
But this, I think, is the fundamental point for debate. If we can pull
alignment and other tricks to solve 99% of the problem is there a need
for radical VM surgery? Is there anything coming down
On Wed, 2014-01-22 at 11:50 -0800, Andrew Morton wrote:
On Wed, 22 Jan 2014 11:30:19 -0800 James Bottomley
james.bottom...@hansenpartnership.com wrote:
But this, I think, is the fundamental point for debate. If we can pull
alignment and other tricks to solve 99% of the problem is there a
2014/1/7 James Bottomley james.bottom...@hansenpartnership.com
On Mon, 2014-01-06 at 23:53 +0100, Matthias Eble wrote:
2014/1/6 Lee Duncan ldun...@suse.com:
On 12/25/2013 03:00 PM, Matthias Eble wrote:
Here's the dmmp map
360002aca6e6b dm-6 3PARdata,VV
size=2.0T
Ric == Ric Wheeler rwhee...@redhat.com writes:
Ric I will have to see if I can get a storage vendor to make a public
Ric statement, but there are vendors hoping to see this land in Linux
Ric in the next few years. I assume that anyone with a shipping device
Ric will have to at least emulate the
James == James Bottomley james.bottom...@hansenpartnership.com writes:
or even (not today, but some day) reject the IO.
James I really doubt this. All 4k drives today do RMW ... I don't see
James that changing any time soon.
All consumer grade 4K phys drives do RMW.
It's a different story
On Wed 22-01-14 09:00:33, James Bottomley wrote:
On Wed, 2014-01-22 at 11:45 -0500, Ric Wheeler wrote:
On 01/22/2014 11:03 AM, James Bottomley wrote:
On Wed, 2014-01-22 at 15:14 +, Chris Mason wrote:
On Wed, 2014-01-22 at 09:34 +, Mel Gorman wrote:
On Tue, Jan 21, 2014 at
8801fdbb2c00 2290129737 S Bo:3:004:2 -115 31 = 55534243 5f00
0010 8a28 004a856e af08 00
8801fdbb2c00 2290129782 C Bo:3:004:2 0 31
8800d4a51b40 2290129803 S Bi:3:004:1 -115 4096
8800d4a51b40 2301288990 C Bi:3:004:1 -32 512 =
https://bugzilla.kernel.org/show_bug.cgi?id=60758
--- Comment #54 from Akemi Yagi tora...@elrepo.org ---
(In reply to Lin Feng from comment #53)
though it's somthing about virtio driver(my guest uses virtio as the storage
driver), looking into this commit it is mainly about C code changes, not
On Wed, 22 Jan 2014, Milan Svoboda wrote:
This continued a few more times until the computer gave up. Maybe
there is something wrong with one particular block at that address on
the disk.
I tried to run fdisk /dev/sdb which obivously failed but it tried to access
sectors 0, 1, 2, 3 which
On Wed, 2014-01-22 at 12:12 +0200, Sagi Grimberg wrote:
On 1/22/2014 12:28 AM, Nicholas A. Bellinger wrote:
On Sun, 2014-01-19 at 14:31 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support
On Wed, 2014-01-22 at 18:44 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
exception cases into transport_send_check_condition_and_sense().
On Wed, 2014-01-22 at 20:00 +0200, Sagi Grimberg wrote:
On 1/22/2014 12:48 AM, Nicholas A. Bellinger wrote:
+ cmd-prot_handover = PROT_SEPERATED;
I know that we are not planning to support interleaved mode at the
moment, But I think
that the protection handover type is the backstore
On 1/22/14 1:54 AM, Bart Van Assche bvanass...@acm.org wrote:
On 01/16/14 23:35, Giridhar Malavali wrote:
On 1/10/14 10:27 AM, Mike Snitzer snit...@redhat.com wrote:
I would like to attend to participate in discussions related to topics
listed in the subject. As a maintainer of DM I'd be
James,
I'd like to attend LSF/MM 2014.
Have been trying out blk-mq / scsi-mq on Emulex offloaded iSCSi Solution.
Also interested in T10 PI, iSER and RDMA.
Also, am the Maintainer of be2iscsi driver.
Thanks
Jay
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On Wed, 22 Jan 2014, Chris Mason wrote:
On Wed, 2014-01-22 at 11:50 -0800, Andrew Morton wrote:
On Wed, 22 Jan 2014 11:30:19 -0800 James Bottomley
james.bottom...@hansenpartnership.com wrote:
But this, I think, is the fundamental point for debate. If we can pull
alignment and other tricks
On Wed, Jan 22, 2014 at 06:46:11PM -0800, David Lang wrote:
It's extremely unlikely that drive manufacturers will produce drives
that won't work with any existing OS, so they are going to support
smaller writes in firmware. If they don't, they won't be able to
sell their drives to anyone
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