08 Dec, 2006
40 commits
-
Add the support for a large number of logical volumes. We will soon have
hardware that support up to 1024 logical volumes.Signed-off-by: Mike Miller
Cc: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Remove the no longer used revalidate_allvol function. It was replaced by
rebuild_lun_table.Signed-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Change our open to test for drv->heads like we do in other places in the
driver. Mostly for consistency.Signed-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Change the blk_queue_max_sectors from 512 to 2048. This helps increase
performance.[akpm@osdl.org: s/sector_size/max_sectors/]
Signed-off-by: Mike Miller
Cc: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Unconditionally disable DMA prefetch on the P600 controller. An ASIC bug may
result in prefetching beyond the end of physical memory.Signed-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Change the SSID on the E500 as a workaround for a firmware bug. It looks like
the original patch was backed out between rc2 and rc4.Signed-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Remove #define NR_CMDS and replace it w/hba[i]->nr_cmds. Most Smart Array
controllers can support up to 1024 commands but the E200 family can only
support 128. To prevent annoying "fifo full" messages we define nr_cmds on a
per controller basis by adding it the product table.Signed-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Add the support to fire up on any HP RAID class device that has a valid cciss
signature.Signed-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Change the cciss version number to 3.6.14 to reflect the following
functionality changes added by the rest of the set. They include:- Support to fire up on any HP RAID class controller
- Increase nr_cmds to 512 for most controllers by adding it to the product table
- PCI subsystem ID fix fix was pulled
- Disable DMA prefetch for the P600 on IPF platforms
- Change from 512 to 2048 sector_size for performance
- Fix in cciss_open for consistency
- Remove the no longer used revalidate_allvol function
- Bug fix for busy configuring
- Support for more than 16 logical volumes
- Cleanups in cciss_interrupt_mode
- Fix for iostats, it's been broken for several kernel releasesSigned-off-by: Mike Miller
Acked-by: Jens Axboe
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
More fallout of the post 2.6.19-rc1 IRQ changes...
CC init/main.o
In file included from
/home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/include/linux/rtc.h:102,
from
/home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/include/linux/efi.h:19,
from
/home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/init/main.c:43:
/home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/include/linux/interrupt.h:67:
error: conflicting types for 'irq_handler_t'
include2/asm/irq.h:49: error: previous declaration of 'irq_handler_t' was hereSigned-off-by: Adrian Bunk
Cc: Miles Bader
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
When the UML network driver generates random MACs for its devices, it was
possible for a number of UMLs to get the same MACs because the ethernet
initialization was done before the random pool was properly seeded.This patch moves the initialization later so that it gets better randomness.
Signed-off-by: Jeff Dike
Cc: Paolo 'Blaisorblade' Giarrusso
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
We were using the wrong symbol to size register files.
Signed-off-by: Jeff Dike
Cc: Paolo 'Blaisorblade' Giarrusso
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Include the proper header to get a definition of PAGE_SHIFT.
Signed-off-by: Jeff Dike
Cc: Paolo 'Blaisorblade' Giarrusso
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
We were not including stddef.h in files that used offsetof.
One file was also including linux/stddef.h for no perciptible reason.
Signed-off-by: Jeff Dike
Cc: Paolo 'Blaisorblade' Giarrusso
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Replace kmalloc+memset with kzalloc
Signed-off-by: Yan Burman
Cc: Roman Zippel
Cc: Geert Uytterhoeven
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Make the workqueues used by XFS freezeable, so their worker threads don't
submit any I/O after the suspend image has been created.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc: Nigel Cunningham
Cc: David Chinner
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Make it possible to create a workqueue the worker thread of which will be
frozen during suspend, along with other kernel threads.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc: Nigel Cunningham
Cc: David Chinner
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Cleanup write-only variable, suggested by D Binderman.
Signed-off-by: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The 'testproc' swsusp debug mode thaws tasks twice in a row, which is _very_
confusing. Fix that.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Linus posted quite nice TRACE_RESUME how-to, and I think it is too nice to
be hidden in archives of mailing list, so I turned it into Documentation
piece.Signed-off-by: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Move all labels in the swsusp code to the second column, so that they won't
fool diff -p.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc: Nigel Cunningham
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Fix coding style in suspend.c.
Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc: Nigel Cunningham
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Move the loop from freeze_processes() to a separate function and call it
independently for user space processes and kernel threads so that the order
of freezing tasks is clearly visible.Signed-off-by: Rafael J. Wysocki
Cc: Pavel Machek
Cc: Nigel Cunningham
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Move the loop from thaw_processes() to a separate function and call it
independently for kernel threads and user space processes so that the order
of thawing tasks is clearly visible.Drop thaw_kernel_threads() which is never used.
Signed-off-by: Rafael J. Wysocki
Cc: Pavel Machek
Cc: Nigel Cunningham
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The power management semaphore is only used as mutex, so convert it.
[akpm@osdl.org: fix rotten bug]
Signed-off-by: Stephen Hemminger
Acked-by: Ingo Molnar
Acked-by: Pavel Machek
Cc: "Rafael J. Wysocki"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Fix http://bugzilla.kernel.org/show_bug.cgi?id=7534
Fix the freezing of processes so that it won't fail if there is a traced
process the parent of which has been stopped.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc: maurice barnum
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Make swsusp measure and print the time needed to shrink memory during the
suspend.Signed-off-by: Rafael J. Wysocki
Cc: Pavel Machek
Cc: Nigel Cunningham
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Don't modify the cpus_allowed of the task initiating the suspend.
_cpu_down() already makes sure that the task doing the suspend doesn't run
on dying cpu.Signed-off-by: Suresh Siddha
Cc: Venkatesh Pallipadi
Cc: Pavel Machek
Cc: "Rafael J. Wysocki"
Cc: Nigel Cunningham
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Make swsusp support i386 systems with PAE or without PSE.
This is done by creating temporary page tables located in resume-safe page
frames before the suspend image is restored in the same way as x86_64 does
it.Signed-off-by: Rafael J. Wysocki
Cc: Andi Kleen
Cc: Dave Jones
Cc: Nigel Cunningham
Cc: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Modify process thawing so that we can thaw kernel space without thawing
userspace, and thaw kernelspace first. This will be useful in later
patches, where I intend to get swsusp thawing kernel threads only before
seeking to free memory.Signed-off-by: Nigel Cunningham
Cc: Pavel Machek
Cc: "Rafael J. Wysocki"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Minor whitespace and formatting modifications for the freezer.
Signed-off-by: Nigel Cunningham
Acked-by: Pavel Machek
Cc: "Rafael J. Wysocki"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The freezer currently prints an '=' for every process that is frozen. This
is pretty pointless, as the equals sign says nothing about which process is
frozen, and makes logs look messier (especially if there were a large
number of processes running). All we really need to know is that we
started trying to freeze processes and what processes (if any) failed to
freeze, or that we succeeded.Signed-off-by: Nigel Cunningham
Acked-by: Pavel Machek
Cc: "Rafael J. Wysocki"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Move process freezing functions from include/linux/sched.h to freezer.h, so
that modifications to the freezer or the kernel configuration don't require
recompiling just about everything.[akpm@osdl.org: fix ueagle driver]
Signed-off-by: Nigel Cunningham
Cc: "Rafael J. Wysocki"
Cc: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
At some point after 2.6.13, in-kernel software suspend got "incomplete" for
the so-called "platform" mode. pm_ops->prepare() is never called. A
visible sign of this is the "moon" light on thinkpads not flashing during
suspend. Fix by readding the pm_ops->prepare call during suspend.Signed-off-by: Stefan Seyfried
Acked-by: "Rafael J. Wysocki"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
swsusp uses GFP_ATOMIC, but it can afford to use __GFP_WAIT, which will
permit it to reclaim clean pagecache instead of emitting scary
page-allocation-failure messages.Cc: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Currently swsusp saves the contents of highmem pages by copying them to the
normal zone which is quite inefficient (eg. it requires two normal pages
to be used for saving one highmem page). This may be improved by using
highmem for saving the contents of saveable highmem pages.Namely, during the suspend phase of the suspend-resume cycle we try to
allocate as many free highmem pages as there are saveable highmem pages.
If there are not enough highmem image pages to store the contents of all of
the saveable highmem pages, some of them will be stored in the "normal"
memory. Next, we allocate as many free "normal" pages as needed to store
the (remaining) image data. We use a memory bitmap to mark the allocated
free pages (ie. highmem as well as "normal" image pages).Now, we use another memory bitmap to mark all of the saveable pages
(highmem as well as "normal") and the contents of the saveable pages are
copied into the image pages. Then, the second bitmap is used to save the
pfns corresponding to the saveable pages and the first one is used to save
their data.During the resume phase the pfns of the pages that were saveable during the
suspend are loaded from the image and used to mark the "unsafe" page
frames. Next, we try to allocate as many free highmem page frames as to
load all of the image data that had been in the highmem before the suspend
and we allocate so many free "normal" page frames that the total number of
allocated free pages (highmem and "normal") is equal to the size of the
image. While doing this we have to make sure that there will be some extra
free "normal" and "safe" page frames for two lists of PBEs constructed
later.Now, the image data are loaded, if possible, into their "original" page
frames. The image data that cannot be written into their "original" page
frames are loaded into "safe" page frames and their "original" kernel
virtual addresses, as well as the addresses of the "safe" pages containing
their copies, are stored in one of two lists of PBEs.One list of PBEs is for the copies of "normal" suspend pages (ie. "normal"
pages that were saveable during the suspend) and it is used in the same way
as previously (ie. by the architecture-dependent parts of swsusp). The
other list of PBEs is for the copies of highmem suspend pages. The pages
in this list are restored (in a reversible way) right before the
arch-dependent code is called.Signed-off-by: Rafael J. Wysocki
Cc: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The swsusp userland interface has recently changed for a couple of times, but
the changes have not been documented. Fix this, and document the
SNAPSHOT_SET_SWAP_AREA ioctl().Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
To be able to use swap files as suspend storage from the userland suspend
tools we need an additional ioctl() that will allow us to provide the kernel
with both the swap header's offset and the identification of the resume
partition.The new ioctl() should be regarded as a replacement for the
SNAPSHOT_SET_SWAP_FILE ioctl() that from now on will be considered as
obsolete, but has to stay for backwards compatibility of the interface.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Document the "resume_offset=" command line parameter as well as the way in
which swap files are supported by swsusp.Signed-off-by: Rafael J. Wysocki
Cc: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Add the kernel command line parameter "resume_offset=" allowing us to specify
the offset, in units, from the beginning of the partition pointed
to by the "resume=" parameter at which the swap header is located.This offset can be determined, for example, by an application using the FIBMAP
ioctl to obtain the swap header's block number for given file.[akpm@osdl.org: we don't know what type sector_t is]
Signed-off-by: Rafael J. Wysocki
Cc: Pavel Machek
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
