On Fri, 21 Dec 2007 14:26:47 +1100
Rusty Russell <[EMAIL PROTECTED]> wrote:
> On Friday 21 December 2007 13:28:34 FUJITA Tomonori wrote:
> > I'm not sure about chaining the headers (as your sg_ring and
> > scsi_sgtable do) would simplify LLDs. Have you looked at ips or
> > qla1280?
>
> Not yet, a
On Friday 21 December 2007 13:28:34 FUJITA Tomonori wrote:
> I'm not sure about chaining the headers (as your sg_ring and
> scsi_sgtable do) would simplify LLDs. Have you looked at ips or
> qla1280?
Not yet, am working my way through the drivers, but I don't expect it will be
a simplification to
On Friday 21 December 2007 11:40:00 David Miller wrote:
> From: Rusty Russell <[EMAIL PROTECTED]>
> Date: Fri, 21 Dec 2007 11:35:12 +1100
>
> > On Friday 21 December 2007 11:00:27 FUJITA Tomonori wrote:
> > > We need to pass the whole sg entries to the IOMMUs at a time.
> >
> > Hi Fujita,
> >
> >
This patch based on some earlier work by Roland Dreier introduces
a pair of annotations that can be used to enforce alignment of
objects that can be DMA'ed into, and to enforce that an DMA'able
object within a structure isn't sharing a cache line with some
other object.
Such sharing of a data stru
The sense buffer ins scsi_cmnd can nowadays be DMA'ed into directly
by some low level drivers (that typically happens with USB mass
storage).
This is a problem on non cache coherent architectures such as
embedded PowerPCs where the sense buffer can share cache lines with
other structure members, w
On Fri, 21 Dec 2007 10:13:38 +1100
Rusty Russell <[EMAIL PROTECTED]> wrote:
> On Thursday 20 December 2007 18:58:07 David Miller wrote:
> > From: Rusty Russell <[EMAIL PROTECTED]>
> > Date: Thu, 20 Dec 2007 18:53:48 +1100
> >
> > > Manipulating the magic chains is horrible; it looks simple to the
On Thu, 20 Dec 2007 16:40:00 -0800 (PST)
David Miller <[EMAIL PROTECTED]> wrote:
> From: Rusty Russell <[EMAIL PROTECTED]>
> Date: Fri, 21 Dec 2007 11:35:12 +1100
>
> > On Friday 21 December 2007 11:00:27 FUJITA Tomonori wrote:
> > > We need to pass the whole sg entries to the IOMMUs at a time.
>
From: Rusty Russell <[EMAIL PROTECTED]>
Date: Fri, 21 Dec 2007 11:35:12 +1100
> On Friday 21 December 2007 11:00:27 FUJITA Tomonori wrote:
> > We need to pass the whole sg entries to the IOMMUs at a time.
>
> Hi Fujita,
>
> OK, it's certainly possible to have an arch override. For which
>
On Friday 21 December 2007 11:00:27 FUJITA Tomonori wrote:
> We need to pass the whole sg entries to the IOMMUs at a time.
Hi Fujita,
OK, it's certainly possible to have an arch override. For which
architecture is this BTW?
Thanks,
Rusty.
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From: Rusty Russell <[EMAIL PROTECTED]>
Date: Fri, 21 Dec 2007 10:13:38 +1100
> But, as demonstrated, there are real benefits of having an explicit header:
>
> 1) It removes the chain-end/explicit count ambiguity (see
> http://lkml.org/lkml/2007/10/25/209 & thread)
> 2) It allows others to manip
On Fri, 21 Dec 2007 09:58:56 +1100
Rusty Russell <[EMAIL PROTECTED]> wrote:
> On Thursday 20 December 2007 18:42:44 David Miller wrote:
> > From: FUJITA Tomonori <[EMAIL PROTECTED]>
> > Date: Thu, 20 Dec 2007 16:06:31 +0900
> >
> > > On Thu, 20 Dec 2007 16:49:30 +1100
> > >
> > > Rusty Russell <[E
On Thursday 20 December 2007 18:58:07 David Miller wrote:
> From: Rusty Russell <[EMAIL PROTECTED]>
> Date: Thu, 20 Dec 2007 18:53:48 +1100
>
> > Manipulating the magic chains is horrible; it looks simple to the
> > places which simply want to iterate through it, but it's awful for
> > code which w
On Thursday 20 December 2007 18:42:44 David Miller wrote:
> From: FUJITA Tomonori <[EMAIL PROTECTED]>
> Date: Thu, 20 Dec 2007 16:06:31 +0900
>
> > On Thu, 20 Dec 2007 16:49:30 +1100
> >
> > Rusty Russell <[EMAIL PROTECTED]> wrote:
> > > +/**
> > > + * dma_map_sg_ring - Map an entire sg ring
> > >
On Fri, Dec 14, 2007 at 11:13:40AM -0700, Matthew Wilcox wrote:
> I'll send it to our DB team to see if this improves our numbers at all.
It does, by approximately 0.67%. This is about double the margin of
error, and a significant improvement. Thanks!
--
Intel are signing my paycheques ... the
On Thu, 20 Dec 2007 15:57:45 -0500
Rik van Riel <[EMAIL PROTECTED]> wrote:
> 2.6.24-rc5-mm1 seems to have a hang related to the SCSI or block
> device probing code.
>
> This is on a dual quad-core x86-64 system with megaraid_sas controller.
>
> scsi 0:2:0:0: Direct-Access DELL PERC 5/i
On Tue, Dec 18 2007 at 15:33 +0200, Boaz Harrosh <[EMAIL PROTECTED]> wrote:
> Submitted is a patchset for adding support for variable-length, extended, and
> vendor specific CDBs. It should now cover the entire range of the
> SCSI standard.
>
ping James.
I understand that this is the last thing
On Wed, 2007-12-19 at 23:46 -0500, Douglas Gilbert wrote:
> smp_utils is a package of command line utilities for invoking
> SMP functions to monitor and manage SAS expanders. SMP is the
> Serial Attached SCSI (SAS) Management Protocol (SMP). A SAS Host
> Bus Adapter (HBA) includes a SMP initiator
On Thu, 2007-12-20 at 01:32 -0800, Natalie Protasevich wrote:
> On Dec 19, 2007 9:05 AM, Matthew Wilcox <[EMAIL PROTECTED]> wrote:
> > On Wed, Dec 19, 2007 at 10:50:40AM -0600, James Bottomley wrote:
> > > So, to get the best of both worlds, file a bugzilla and note the bugid.
> > > Then email a c
On Thu, Dec 20, 2007 at 01:32:02AM -0800, Natalie Protasevich wrote:
> > The problem is that it appears to the casual observer as if they can
> > then add information to the bug through the web interface. But that
> > information will never be forwarded to the mailing list. Unless there's
> > a w
On Thu, Dec 20 2007 at 16:03 +0200, Boaz Harrosh <[EMAIL PROTECTED]> wrote:
> From: Jens Axboe <[EMAIL PROTECTED]>
>
> Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
> ---
> drivers/scsi/libsrp.c|2 +-
> drivers/scsi/scsi_error.c|4 +-
> drivers/scsi/scsi_lib.c | 150
> +
A small comment in body
On Thu, Dec 20 2007 at 16:00 +0200, Boaz Harrosh <[EMAIL PROTECTED]> wrote:
> Manually doing chained sg lists is not trivial, so add some helpers
> to make sure that drivers get it right.
>
> Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
> ---
> include/linux/scatterlist.
From: Jens Axboe <[EMAIL PROTECTED]>
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
---
drivers/ide/arm/icside.c |6 +++---
drivers/ide/cris/ide-cris.c |2 +-
drivers/ide/ide-dma.c |8
drivers/ide/ide-io.c |2 +-
drivers/ide/ide-probe.c |6
From: Jens Axboe <[EMAIL PROTECTED]>
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
---
drivers/scsi/libsrp.c|2 +-
drivers/scsi/scsi_error.c|4 +-
drivers/scsi/scsi_lib.c | 150 +-
drivers/usb/storage/isd200.c |4 +-
include/sc
Manually doing chained sg lists is not trivial, so add some helpers
to make sure that drivers get it right.
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
---
include/linux/scatterlist.h | 125 ---
lib/Makefile|2 +-
lib/scatterlist.c | 281
On Thu, Dec 20 2007 at 9:58 +0200, Jens Axboe <[EMAIL PROTECTED]> wrote:
> On Thu, Dec 20 2007, Rusty Russell wrote:
>> On Thursday 20 December 2007 18:07:41 FUJITA Tomonori wrote:
>>> On Thu, 20 Dec 2007 16:45:18 +1100
>>>
>>> Rusty Russell <[EMAIL PROTECTED]> wrote:
OK, some fixes since last
From: Christof Schmitt <[EMAIL PROTECTED]>
We need to hold the queue-lock when checking whether we still have a valid
unit/port handle for the task management command, i.e whether we can issue this
request for this unit/port. If the error recovery is about to close this
unit/port, then it competes
From: Christof Schmitt <[EMAIL PROTECTED]>
We need to hold the queue-lock when checking whether we still have a valid
unit/port handle for the abort command, i.e whether we can issue this request
for this unit/port. If the error recovery is about to close this unit/port,
then it competes for the q
From: Christof Schmitt <[EMAIL PROTECTED]>
We need to hold the queue-lock when checking whether we still have a valid
unit/port handle for the FCP command, i.e whether we can issue this request for
this unit/port. If the error recovery is about to close this unit/port, then it
competes for the que
From: Christof Schmitt <[EMAIL PROTECTED]>
We need to hold the queue-lock when checking whether we still have a valid port
handle for the ELS command, i.e whether we can issue this request for this
port. If the error recovery is about to close this port, then it competes for
the queue-lock. If the
From: Heiko Carstens <[EMAIL PROTECTED]>
zfcp_erp_strategy_check_fsfreq() checks if it is safe to access the
fsf_req associated with the erp_action that gets passed. To test if
it is safe it accesses the fsf_req in order to get its index into
the hash list. This is broken since the fsf_req might b
From: Christof Schmitt <[EMAIL PROTECTED]>
According to the FSF spec, word 0 (bytes 0-3) has the handle
specified with the abort command and word 1 (bytes 4-7) has the
handle for the command to be aborted. Fix the if statements
that try to compare those.
Signed-off-by: Christof Schmitt <[EMAIL PR
James,
here are some zfcp fixes. They apply on the current version of scsi-misc.
Regards,
Christof Schmitt
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On Dec 19, 2007 9:05 AM, Matthew Wilcox <[EMAIL PROTECTED]> wrote:
> On Wed, Dec 19, 2007 at 10:50:40AM -0600, James Bottomley wrote:
> > So, to get the best of both worlds, file a bugzilla and note the bugid.
> > Then email a complete report to the relevant list, but add [BUG ]
> > to the subject
On Wed, Dec 19 2007, David Miller wrote:
> From: Rusty Russell <[EMAIL PROTECTED]>
> Date: Thu, 20 Dec 2007 18:53:48 +1100
>
> > Manipulating the magic chains is horrible; it looks simple to the
> > places which simply want to iterate through it, but it's awful for
> > code which wants to create t
On Thu, Dec 20 2007, Rusty Russell wrote:
> On Thursday 20 December 2007 18:07:41 FUJITA Tomonori wrote:
> > On Thu, 20 Dec 2007 16:45:18 +1100
> >
> > Rusty Russell <[EMAIL PROTECTED]> wrote:
> > > OK, some fixes since last time, as I wade through more SCSI drivers.
> > > Some drivers use "use_sg
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