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Signed-off-by: Dave Airlie <airlied@redhat.com>
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Re-order structure ttm_ref_object to remove 8 bytes of alignment padding
on 64 bit builds, so shrinking its size from 72 to 64 bytes allowing it
to fit into a smaller slab.
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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if we get an error, release the AGP if we've acquired it already.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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and drm_agp_info
First call drm_agp_acquire to check if agp has been acquired.
Second call drm_agp_info to fill in the info data struct, including aper_size.
Finally do the check to see if the aper_size makes sense.
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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argument 4 has type ‘size_t’
- Fix warning by using %zu instead of %d for size_t
- Fix spelling mistake, "to" should be "too".
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixes errors like:
> reserve_ram_pages_type failed 0x15b7a000-0x15b7b000, track 0x8, req 0x10
when a BO is moved between WC and UC areas.
Reported-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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booting a Lenovo W500 with LVDS + DP outputs showed up a TODO we had
on our list, to pick a correct digital encoder block. The LVTMA
encoder requires the second digital encoder, all others can use any
encoder at all.
This fixes the digital encoder selection logic to enable LVDS/DP combos
to work okay.
V2: fix silly addition of connector dig_block and cleanup the other
places in the code that pick the encoder.
V3: rename to dig_encoder and clean up further - also fix
the picking algorithm.
tested on Lenovo W500 + desktop 3650 cards.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On the W500 we have UNIPHY routed to both DVI and DP, this seems
to always pick the DVI connector which means link training fails.
Switch to using active device to pick the connector, this seems
like it should be safe from a code review, and it fixes things
a bit more here.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This makes displayport work again here.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes the regression introduced by commit
42590a75019a50012f25a962246498dead428433 ("x86/agp: Fix
agp_amd64_init and agp_amd64_cleanup").
The above commit changes agp_amd64_init() not to do anything if
gart_iommu_aperture is not zero.
If GART iommu calls agp_amd64_init(), we need to skip
agp_amd64_init() when it's called later via module_init.
The problem is that gart_iommu_init() calls agp_amd64_init()
with not zero gart_iommu_aperture so agp_amd64_init() is never
initialized.
When gart_iommu_init() calls agp_amd64_init(), agp should be
always initialized.
Reported-by: Marin Mitov <mitov@issp.bas.bg>
Reported-by: Johannes Hirte <johannes.hirte@fem.tu-ilmenau.de>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tested-by: Marin Mitov <mitov@issp.bas.bg>
Tested-by: Kevin Winchester <kjwinchester@gmail.com>
Cc: davej@redhat.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <20100125141006O.fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Fix two bugs in the bio integrity code:
use_bip_pool() always returns 0 because it checks against the wrong limit,
causing the mempool to be used only when regular allocation fails.
When the mempool is used as a fallback we don't free the data properly.
Signed-Off-By: Chuck Ebbert <cebbert@redhat.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This patch fixes the regression in functionality where the
kernel debugger and the perf API do not nicely share hw
breakpoint reservations.
The kernel debugger cannot use any mutex_lock() calls because it
can start the kernel running from an invalid context.
A mutex free version of the reservation API needed to get
created for the kernel debugger to safely update hw breakpoint
reservations.
The possibility for a breakpoint reservation to be concurrently
processed at the time that kgdb interrupts the system is
improbable. Should this corner case occur the end user is
warned, and the kernel debugger will prohibit updating the
hardware breakpoint reservations.
Any time the kernel debugger reserves a hardware breakpoint it
will be a system wide reservation.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: kgdb-bugreport@lists.sourceforge.net
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: torvalds@linux-foundation.org
LKML-Reference: <1264719883-7285-3-git-send-email-jason.wessel@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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In the 2.6.33 kernel, the hw_breakpoint API is now used for the
performance event counters. The hw_breakpoint_handler() now
consumes the hw breakpoints that were previously set by kgdb
arch specific code. In order for kgdb to work in conjunction
with this core API change, kgdb must use some of the low level
functions of the hw_breakpoint API to install, uninstall, and
deal with hw breakpoint reservations.
The kgdb core required a change to call kgdb_disable_hw_debug
anytime a slave cpu enters kgdb_wait() in order to keep all the
hw breakpoints in sync as well as to prevent hitting a hw
breakpoint while kgdb is active.
During the architecture specific initialization of kgdb, it will
pre-allocate 4 disabled (struct perf event **) structures. Kgdb
will use these to manage the capabilities for the 4 hw
breakpoint registers, per cpu. Right now the hw_breakpoint API
does not have a way to ask how many breakpoints are available,
on each CPU so it is possible that the install of a breakpoint
might fail when kgdb restores the system to the run state. The
intent of this patch is to first get the basic functionality of
hw breakpoints working and leave it to the person debugging the
kernel to understand what hw breakpoints are in use and what
restrictions have been imposed as a result. Breakpoint
constraints will be dealt with in a future patch.
While atomic, the x86 specific kgdb code will call
arch_uninstall_hw_breakpoint() and arch_install_hw_breakpoint()
to manage the cpu specific hw breakpoints.
The net result of these changes allow kgdb to use the same pool
of hw_breakpoints that are used by the perf event API, but
neither knows about future reservations for the available hw
breakpoint slots.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: kgdb-bugreport@lists.sourceforge.net
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: torvalds@linux-foundation.org
LKML-Reference: <1264719883-7285-2-git-send-email-jason.wessel@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Commit 6aa542a694dc9ea4344a8a590d2628c33d1b9431 added a quirk for the
Intel DG45ID board due to low memory corruption. The Intel DG45FC
shares the same BIOS (and the same bug) as noted in:
http://bugzilla.kernel.org/show_bug.cgi?id=13736
Signed-off-by: David Härdeman <david@hardeman.nu>
LKML-Reference: <20100128200254.GA9134@hardeman.nu>
Cc: <stable@kernel.org>
Cc: Alexey Fisher <bug-track@fisher-privat.net>
Cc: ykzhao <yakui.zhao@intel.com>
Cc: Tony Bones <aabonesml@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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asic3 also needs tmio_core or otherwise will fail to build.
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: update multi-touch protocol documentation
Input: add the ABS_MT_PRESSURE event
Input: winbond-cir - remove dmesg spam
Input: lifebook - add another Lifebook DMI signature
Input: ad7879 - support auxiliary GPIOs via gpiolib
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After memory pressure has forced it to dip into the reserves, 2.6.32's
5f8dcc21211a3d4e3a7a5ca366b469fb88117f61 "page-allocator: split per-cpu
list into one-list-per-migrate-type" has been returning MIGRATE_RESERVE
pages to the MIGRATE_MOVABLE free_list: in some sense depleting reserves.
Fix that in the most straightforward way (which, considering the overheads
of alternative approaches, is Mel's preference): the right migratetype is
already in page_private(page), but free_pcppages_bulk() wasn't using it.
How did this bug show up? As a 20% slowdown in my tmpfs loop kbuild
swapping tests, on PowerMac G5 with SLUB allocator. Bisecting to that
commit was easy, but explaining the magnitude of the slowdown not easy.
The same effect appears, but much less markedly, with SLAB, and even
less markedly on other machines (the PowerMac divides into fewer zones
than x86, I think that may be a factor). We guess that lumpy reclaim
of short-lived high-order pages is implicated in some way, and probably
this bug has been tickling a poor decision somewhere in page reclaim.
But instrumentation hasn't told me much, I've run out of time and
imagination to determine exactly what's going on, and shouldn't hold up
the fix any longer: it's valid, and might even fix other misbehaviours.
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: check total number of devices when removing missing
Btrfs: check return value of open_bdev_exclusive properly
Btrfs: do not mark the chunk as readonly if in degraded mode
Btrfs: run orphan cleanup on default fs root
Btrfs: fix a memory leak in btrfs_init_acl
Btrfs: Use correct values when updating inode i_size on fallocate
Btrfs: remove tree_search() in extent_map.c
Btrfs: Add mount -o compress-force
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Here are the sparc bits to remove TIF_ABI_PENDING now that
set_personality() is called at the appropriate place in exec.
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Now that the previous commit made it possible to do the personality
setting at the point of no return, we do just that for ELF binaries.
And suddenly all the reasons for that insane TIF_ABI_PENDING bit go
away, and we can just make SET_PERSONALITY() just do the obvious thing
for a 32-bit compat process.
Everything becomes much more straightforward this way.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'flush_old_exec()' is the point of no return when doing an execve(), and
it is pretty badly misnamed. It doesn't just flush the old executable
environment, it also starts up the new one.
Which is very inconvenient for things like setting up the new
personality, because we want the new personality to affect the starting
of the new environment, but at the same time we do _not_ want the new
personality to take effect if flushing the old one fails.
As a result, the x86-64 '32-bit' personality is actually done using this
insane "I'm going to change the ABI, but I haven't done it yet" bit
(TIF_ABI_PENDING), with SET_PERSONALITY() not actually setting the
personality, but just the "pending" bit, so that "flush_thread()" can do
the actual personality magic.
This patch in no way changes any of that insanity, but it does split the
'flush_old_exec()' function up into a preparatory part that can fail
(still called flush_old_exec()), and a new part that will actually set
up the new exec environment (setup_new_exec()). All callers are changed
to trivially comply with the new world order.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 761c9d45 (ASoC: Fix build of OMAP sound drivers) changes
CONFIG_MACH_OMAP3517EVM -> CONFIG_SND_OMAP_SOC_OMAP3517EVM in the
Makefile. Whereas the config option defined in Kconfig is
SND_OMAP_SOC_AM3517EVM. Because of this, ASoC driver for AM3517
was not getting compiled.
Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Commit e9ff5eb2 (Fixing infinite loop in resume path) uses wrong AIC23
register in resume function because of which register writes happen
on some non-existing registers.
Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This patch documents a new ABS_MT parameter and adds further text to
clarify some points around the MT protocol.
Requested-by: Yoonyoung Shim <jy0922.shim@samsung.com>
Requested-by: Mika Kuoppala <mika.kuoppala@nokia.com>
Requested-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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For pressure-based multi-touch devices, a direct way to send sensor
intensity data per finger is needed. This patch adds the ABS_MT_PRESSURE
event to the MT protocol.
Requested-by: Yoonyoung Shim <jy0922.shim@samsung.com>
Requested-by: Mika Kuoppala <mika.kuoppala@nokia.com>
Requested-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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I missed converting one dev_info call to deb_dbg before submitting the driver.
Without this change, a message will be printed to dmesg for each button press
if a RC6 remote is used.
Signed-off-by: David Härdeman <david@hardeman.nu>
Cc: stable <stable@kernel.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Some of the newer 4xx pci cores need an explicit bit set to send
type 1 transactions instead of just comparing the bus numbers.
This patch enables type 1 transations for pcix nodes, thus enabling
devices behind PCI bridges.
Signed-off-by: Stef van Os <stef.van.os@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Add missing call to pci_fixup_device(pci_fixup_early, ...) when
building the pci_dev from scratch off the Open Firmware device-tree
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Add missing hookup to existing pci_slot when building the pci_dev from
scratch off the Open Firmware device-tree
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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We are missing these when building the pci_dev from scratch off
the Open Firmware device-tree
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
Fix failure exit in ipathfs
fix oops in fs/9p late mount failure
fix leak in romfs_fill_super()
get rid of pointless checks after simple_pin_fs()
Fix failure exits in bfs_fill_super()
fix affs parse_options()
Fix remount races with symlink handling in affs
Fix a leak in affs_fill_super()
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
x86/PCI: remove IOH range fetching
PCI: fix nested spinlock hang in aer_inject
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] Update mach-types
[ARM] orion5x: D-link DNS-323 rev. B1 power-off
[ARM] Orion5x: add GPIO LED and buttons for wrt350n v2
[ARM] pxa: fix irq suspend/resume for pxa25x
[ARM] pxa: fix the incorrect naming of AC97 reset pin config for pxa26x
[ARM] pxa/corgi: fix incorrect default GPIO for UDC Vbus
[ARM] Kirkwood: drive USB VBUS pin on rd88f6192-nas high on boot
[ARM] Orion: fix PCIe inbound window programming when RAM size is not a power of two
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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If you have a disk failure in RAID1 and then add a new disk to the
array, and then try to remove the missing volume, it will fail. The
reason is the sanity check only looks at the total number of rw devices,
which is just 2 because we have 2 good disks and 1 bad one. Instead
check the total number of devices in the array to make sure we can
actually remove the device. Tested this with a failed disk setup and
with this test we can now run
btrfs-vol -r missing /mount/point
and it works fine.
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Hit this problem while testing RAID1 failure stuff. open_bdev_exclusive
returns ERR_PTR(), not NULL. So change the return value properly. This
is important if you accidently specify a device that doesn't exist when
trying to add a new device to an array, you will panic the box
dereferencing bdev.
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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If a RAID setup has chunks that span multiple disks, and one of those
disks has failed, btrfs_chunk_readonly will return 1 since one of the
disks in that chunk's stripes is dead and therefore not writeable. So
instead if we are in degraded mode, return 0 so we can go ahead and
allocate stuff. Without this patch all of the block groups in a RAID1
setup will end up read-only, which will mean we can't add new disks to
the array since we won't be able to make allocations.
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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This patch revert's commit
6c090a11e1c403b727a6a8eff0b97d5fb9e95cb5
Since it introduces this problem where we can run orphan cleanup on a
volume that can have orphan entries re-added. Instead of my original
fix, Yan Zheng pointed out that we can just revert my original fix and
then run the orphan cleanup in open_ctree after we look up the fs_root.
I have tested this with all the tests that gave me problems and this
patch fixes both problems. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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In btrfs_init_acl() cloned acl is not released
Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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commit f2bc9dd07e3424c4ec5f3949961fe053d47bc825
Author: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed Jan 20 12:57:53 2010 +0530
Btrfs: Use correct values when updating inode i_size on fallocate
Even though we allocate more, we should be updating inode i_size
as per the arguments passed
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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This patch removes tree_search() in extent_map.c because it is not called by
anything.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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The default btrfs mount -o compress mode will quickly back off
compressing a file if it notices that compression does not reduce the
size of the data being written. This can save considerable CPU because
all future writes to the file go through uncompressed.
But some files are both very large and have mixed data stored in
them. In that case, we want to add the ability to always try
compressing data before writing it.
This commit adds mount -o compress-force. A later commit will add
a new inode flag that does the same thing.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: PowerTV: Fix support for timer interrupts with > 64 external IRQs
MIPS: PowerTV: Streamline access to platform device registers
MIPS: Fix vmlinuz build for 32bit-only math shells
MIPS: Add support of LZO-compressed kernels
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* 'for-linus' of git://git.infradead.org/ubi-2.6:
UBI: fix volume creation input checking
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: ohci: fix crashes with TSB43AB23 on 64bit systems
firewire: core: fix use-after-free regression in FCP handler
firewire: cdev: add_descriptor documentation fix
firewire: core: add_descriptor size check
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