Rusty Russell wrote:
On Monday 07 January 2008 17:37:41 Tejun Heo wrote:
Rusty Russell wrote:
Hi Tejun,
Nice try! Even ignoring the ugliness of undoing such an operation if
the caller doesn't expect you to mangle their chains, consider a
one-element sg array. :(
Heh heh, that can be
On Monday 07 January 2008, Greg KH wrote:
Most of the non-driver core code should be converted to not use the
lock in the class at all. They should use a local lock instead.
Or better yet, that yet-to-be-written class_for_each_instance()
iterator ... :)
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On Jan 7, 2008 4:45 PM, Greg KH [EMAIL PROTECTED] wrote:
On Mon, Jan 07, 2008 at 10:09:44AM +0800, Dave Young wrote:
Thanks for your comment, I rewrite it for 2.6.24-rc7 as a all-in-one
patch, please see following. Drop i2c maintainer and list in cc
because there's no changes about i2c in
Tejun Heo [EMAIL PROTECTED] wrote:
/me agrees. As long as this can be made sane using one unified
interface, I don't care whether it's sg_ring, table or dish.
Give us sg_annulus :)
On a more serious note, having played with SG chaining for a couple
of years in the crypto layer, I must say
David Brownell wrote:
On Monday 07 January 2008, Greg KH wrote:
Most of the non-driver core code should be converted to not use the
lock in the class at all. They should use a local lock instead.
Or better yet, that yet-to-be-written class_for_each_instance()
iterator ... :)
By far most
On Mon, Jan 07 2008 at 8:53 +0200, FUJITA Tomonori [EMAIL PROTECTED] wrote:
On Sun, 23 Dec 2007 13:09:05 +0200
Boaz Harrosh [EMAIL PROTECTED] wrote:
On Fri, Dec 21 2007 at 4:30 +0200, Benjamin Herrenschmidt [EMAIL
PROTECTED] wrote:
The sense buffer ins scsi_cmnd can nowadays be DMA'ed into
On Mon, Jan 07, 2008 at 02:23:33PM +0100, Stefan Richter wrote:
David Brownell wrote:
On Monday 07 January 2008, Greg KH wrote:
Most of the non-driver core code should be converted to not use the
lock in the class at all. They should use a local lock instead.
Or better yet, that
James Bottomley wrote:
On Fri, 2007-12-14 at 10:00 +0100, Hannes Reinecke wrote:
James Bottomley wrote:
On Mon, 2007-11-26 at 22:15 -0800, Andrew Morton wrote:
OK, thanks. I'll assume that James and Hannes have this in hand (or will
have, by mid-week) and I won't do anything here.
Just to
On Mon, 2008-01-07 at 15:38 +1100, Rusty Russell wrote:
On Sunday 06 January 2008 02:31:12 James Bottomley wrote:
On Wed, 2007-12-19 at 17:31 +1100, Rusty Russell wrote:
This patch series is the start of my attempt to simplify and make
explicit the chained scatterlist logic.
It's
On Mon, Jan 07, 2008 at 02:23:33PM +0100, Stefan Richter wrote:
David Brownell wrote:
On Monday 07 January 2008, Greg KH wrote:
Most of the non-driver core code should be converted to not use the
lock in the class at all. They should use a local lock instead.
Or better yet, that
Jarek Poplawski wrote:
David Brownell wrote:
On Monday 07 January 2008, Greg KH wrote:
Most of the non-driver core code should be converted to not use the
lock in the class at all. They should use a local lock instead.
Or better yet, that yet-to-be-written class_for_each_instance()
James,
this is the extension for zfcp that adds some statistics retrieved
from the FCP adapter. This version already includes the fixes and
applies on top of the other patches on scsi-misc.
Like Swen mentioned before, this adds new data attributes that only
refer to one Linux system. Similar
From: Swen Schillig [EMAIL PROTECTED]
The new statistics from the FCP adapter provide informations about the
virtual adapter (subchannel). In order to collect this information the
zFCP driver is extended on one side to query the adapter and on the
other side summarize certain values which can
Greg KH wrote:
On Mon, Jan 07, 2008 at 02:23:33PM +0100, Stefan Richter wrote:
David Brownell wrote:
On Monday 07 January 2008, Greg KH wrote:
Most of the non-driver core code should be converted to not use the
lock in the class at all. They should use a local lock instead.
Or better
On Mon, Jan 07, 2008 at 06:13:37PM +0100, Stefan Richter wrote:
It's already in the driver core to the most part. It remains to be seen
what is less complicated in the end: Transparent mutex-protected list
accesses provided by driver core (requires the iterator), or all the
necessary locking
On Mon, 7 Jan 2008, Stefan Richter wrote:
Semi off-topic: What about struct device.sem? Is there any chance to
rip this out of the driver core and let drivers serialize everything? I
suppose not...
There isn't. The core uses that lock.
Alan Stern
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On Mon, 2008-01-07 at 15:05 +0100, Hannes Reinecke wrote:
James Bottomley wrote:
On Fri, 2007-12-14 at 10:00 +0100, Hannes Reinecke wrote:
James Bottomley wrote:
On Mon, 2007-11-26 at 22:15 -0800, Andrew Morton wrote:
OK, thanks. I'll assume that James and Hannes have this in hand (or
James Bottomley wrote:
However, there's still devloss_tmo to consider ... even in
multipath, I don't think you want to signal path failure until
devloss_tmo has fired otherwise you'll get too many transient up/down
events which damage performance if the array has an expensive failover
model.
This patch is a first pass at SCSI dynamic (or runtime) PM. The new
code is enabled by a Kconfig option, CONFIG_SCSI_DYNAMIC_PM, in the top
SCSI menu. If the option isn't selected then the overhead is
essentially zero (in a few places code that was in-line gets moved
out-of-line, but not in
This patch implements autosuspend and autoresume for usb-storage. It
is based on the SCSI Dynamic PM patch just posted on linux-scsi and
linux-pm.
Note: For testing, you will have to set the power/level attribute (and
possibly also power/autosuspend) for both the SCSI device and the USB
Am Montag, 7. Januar 2008 20:42:23 schrieb Alan Stern:
When all the devices under a host are suspended, the LLD is informed
(via a new autosuspend method in the host template) so that it can
That is most certainly a mistake. Is there a good reason to not modify
to extend suspend() to take an
On Mon, 7 Jan 2008, Oliver Neukum wrote:
Am Montag, 7. Januar 2008 20:42:23 schrieb Alan Stern:
When all the devices under a host are suspended, the LLD is informed
(via a new autosuspend method in the host template) so that it can
That is most certainly a mistake.
Why?
Is there a
Am Montag, 7. Januar 2008 22:34:52 schrieb Alan Stern:
On Mon, 7 Jan 2008, Oliver Neukum wrote:
Am Montag, 7. Januar 2008 20:42:23 schrieb Alan Stern:
When all the devices under a host are suspended, the LLD is informed
(via a new autosuspend method in the host template) so that it can
From: Krzysztof Helt [EMAIL PROTECTED]
This patch fixes call to wait_for_completion_timeout()
with NULL argument.
Signed-off-by: Krzysztof Helt [EMAIL PROTECTED]
---
diff -urp linux-ref/drivers/scsi/sym53c8xx_2/sym_glue.c
linux-new/drivers/scsi/sym53c8xx_2/sym_glue.c
---
On Mon, 2008-01-07 at 22:56 +0100, Krzysztof Helt wrote:
From: Krzysztof Helt [EMAIL PROTECTED]
This patch fixes call to wait_for_completion_timeout()
with NULL argument.
That doesn't seem to be at all what your patch is doing. I can't see
any case in the old code where
On Mon, 07 Jan 2008 15:25:36 +0200
Boaz Harrosh [EMAIL PROTECTED] wrote:
On Mon, Jan 07 2008 at 8:53 +0200, FUJITA Tomonori [EMAIL PROTECTED] wrote:
On Sun, 23 Dec 2007 13:09:05 +0200
Boaz Harrosh [EMAIL PROTECTED] wrote:
On Fri, Dec 21 2007 at 4:30 +0200, Benjamin Herrenschmidt [EMAIL
On Mon, 7 Jan 2008, Oliver Neukum wrote:
Am Montag, 7. Januar 2008 22:34:52 schrieb Alan Stern:
On Mon, 7 Jan 2008, Oliver Neukum wrote:
Am Montag, 7. Januar 2008 20:42:23 schrieb Alan Stern:
When all the devices under a host are suspended, the LLD is informed
(via a new
On Mon, 07 Jan 2008 16:39:35 -0600
James Bottomley [EMAIL PROTECTED] wrote:
On Mon, 2008-01-07 at 22:56 +0100, Krzysztof Helt wrote:
From: Krzysztof Helt [EMAIL PROTECTED]
This patch fixes call to wait_for_completion_timeout()
with NULL argument.
That doesn't seem to be at all what
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