profile/ivi/kernel-adaptation-intel-automotive.git
15 years agoASoC: DaVinci: pcm, don't play 1st sound period twice
Troy Kisky [Wed, 8 Jul 2009 00:36:06 +0000 (17:36 -0700)]
ASoC: DaVinci: pcm, don't play 1st sound period twice

Update the dma link with correct data as soon as
the master channel has copied it. Otherwise, the
1st period will play twice.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoMerge branch 'davinci' into for-2.6.32
Mark Brown [Tue, 7 Jul 2009 18:18:46 +0000 (19:18 +0100)]
Merge branch 'davinci' into for-2.6.32

Conflicts:
sound/soc/davinci/davinci-i2s.c

15 years agoMerge branch 'for-2.6.31' into for-2.6.32
Mark Brown [Mon, 6 Jul 2009 20:49:35 +0000 (21:49 +0100)]
Merge branch 'for-2.6.31' into for-2.6.32

15 years agoASoC: Remove unused AK4535 hardware read functionality
Mark Brown [Sun, 5 Jul 2009 16:28:41 +0000 (17:28 +0100)]
ASoC: Remove unused AK4535 hardware read functionality

Nothing uses it and the existing hw_read operation needs to be
refectored so it's easier to remove it rather than work with it.
Support can be re-added if the code requires volatile registers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix leaks in WM8988 registration error handling
Mark Brown [Sun, 5 Jul 2009 15:29:39 +0000 (16:29 +0100)]
ASoC: Fix leaks in WM8988 registration error handling

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix WM8960 leaks on probe failure
Mark Brown [Sun, 5 Jul 2009 14:47:03 +0000 (15:47 +0100)]
ASoC: Fix WM8960 leaks on probe failure

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix leaks in WM8731 probe error handling
Mark Brown [Sun, 5 Jul 2009 14:18:01 +0000 (15:18 +0100)]
ASoC: Fix leaks in WM8731 probe error handling

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Add CODEC volatile register operation
Mark Brown [Sun, 5 Jul 2009 14:12:22 +0000 (15:12 +0100)]
ASoC: Add CODEC volatile register operation

Add a volatile_register() operation to the CODEC structure providing a
standard operation to query if a register is volatile. This will be used
to factor out the register cache I/O operations for the CODECs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s, add davinci_i2s_prepare and shutdown
Troy Kisky [Sun, 5 Jul 2009 02:29:59 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s, add davinci_i2s_prepare and shutdown

If the codec is master then prepare should call
mcbsp_start, not trigger.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s, fix mcbsp_word_length update
Troy Kisky [Sun, 5 Jul 2009 02:29:57 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s, fix mcbsp_word_length update

Code previously just "ors" in this field without clearing
first. Fix, by never reading this register.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s, minor cleanup of davinci_i2s_startup
Troy Kisky [Sun, 5 Jul 2009 02:29:56 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s, minor cleanup of davinci_i2s_startup

Save a few lines of code.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s, only start sample generator if needed
Troy Kisky [Sun, 5 Jul 2009 02:29:55 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s, only start sample generator if needed

Only start sample generator if needed, and more
cleanup on davinci_mcbsp_start.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s cleanup
Troy Kisky [Sun, 5 Jul 2009 02:29:54 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s cleanup

Move variable declaration closer to use.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoc: DaVinci: i2s, minor cleanup
Troy Kisky [Sun, 5 Jul 2009 02:29:53 +0000 (19:29 -0700)]
ASoc: DaVinci: i2s, minor cleanup

Add davinci_mcbsp_dev as argument to davinci_mcbsp_start
and davinci_mcbsp_stop.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s toggle clock to complete reset
Troy Kisky [Sun, 5 Jul 2009 02:29:52 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s toggle clock to complete reset

Add toggle_clock function to complete i2s reset earlier.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: DaVinci: i2s, remove MOD_REG_BIT macro
Troy Kisky [Sun, 5 Jul 2009 02:29:51 +0000 (19:29 -0700)]
ASoC: DaVinci: i2s, remove MOD_REG_BIT macro

No functional changes. Rename variable w to something
more meaningful. Remove code obfuscating macro MOD_REG_BIT.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix wm8753 register cache size and initialization
Lars-Peter Clausen [Thu, 2 Jul 2009 23:04:16 +0000 (01:04 +0200)]
ASoC: Fix wm8753 register cache size and initialization

Register cache space was not being allocated for the final register,
causing bugs when it was used.  Allocate space for it.

Also ensure that the final register is displayed in sysfs.

[Commit message rewritten to document actual issue. -- broonie]

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: TWL4030: Add tristate callbacks for HiFi and Voice
Lopez Cruz, Misael [Fri, 3 Jul 2009 07:21:39 +0000 (02:21 -0500)]
ASoC: TWL4030: Add tristate callbacks for HiFi and Voice

Add "set_tristate" callbacks for HiFi and Voice DAIs.
Machine drivers can enable and disable tristate for each
DAI with "snd_soc_dai_set_tristate" function.

Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Zoom2: Update twl4030_setup_data parameters
Candelaria Villareal, Jorge [Fri, 3 Jul 2009 00:04:07 +0000 (19:04 -0500)]
ASoC: Zoom2: Update twl4030_setup_data parameters

Add support for EXTMUTE in Zoom2 machine driver. This is necessary
to further reduce pop noise problem. Signal EXTMUTE is connected to
signal GPIO 153 in Zoom2 board.

In addition, change ramp delay value to 3 (218/161/109 ms). With
previous ramp delay value, pop noise was louder. With a longer value
the beep tone can be observed.

Signed-off-by: Jorge Eduardo Candelaria <x0107209@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: add locking to mpc5200-psc-ac97 driver
Grant Likely [Thu, 2 Jul 2009 17:57:25 +0000 (11:57 -0600)]
ASoC: add locking to mpc5200-psc-ac97 driver

AC97 bus register read/write hooks need to provide locking, but the
mpc5200-psc-ac97 driver does not.  This patch adds a mutex around
the register access routines.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix mpc5200-psc-ac97 to ensure the data ready bit is cleared
Grant Likely [Thu, 2 Jul 2009 17:57:19 +0000 (11:57 -0600)]
ASoC: Fix mpc5200-psc-ac97 to ensure the data ready bit is cleared

When doing register reads, it is possible for there to be a stale
data ready bit set which will cause subsequent reads to return
prematurely with incorrect data.  This patch fixes the issues by
ensuring stale data is cleared before starting another transaction.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix register cache initialisation for WM8753
Mark Brown [Fri, 3 Jul 2009 09:33:39 +0000 (10:33 +0100)]
ASoC: Fix register cache initialisation for WM8753

The wrong register cache variable was being used to provide the size for
the memcpy(), resulting in a copy of only a void * of data.

Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
15 years agoASoC: TWL4030: Add EXTMUTE to reduce pop-noise effect
Candelaria Villareal, Jorge [Thu, 2 Jul 2009 00:17:43 +0000 (19:17 -0500)]
ASoC: TWL4030: Add EXTMUTE to reduce pop-noise effect

According to TRM, an external FET controlled by a 1.8V output signal
can be used to reduce the pop-noise heard when the audio amplifier is
switched on. It is suggested that GPIO6 of TWL4030 be used, but any
other gpio can be used instead. This is indicated in machine driver
with the following twl4030_setup_data members:

-hs_extmute. Set to 1 if board has support for EXTMUTE.

-set_hs_extmute. Set to a callback funcion to control an external gpio
line. Set to NULL if MUTE[GPIO6] pin is used.

Codec driver takes care of enabling and disabling this output during
the headset pop attenuation sequence.

Also add a delay to let VMID settle in ramp up sequence.

Signed-off-by: Jorge Eduardo Candelaria <x0107209@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoMerge branch 'for-2.6.31' into for-2.6.32
Mark Brown [Wed, 1 Jul 2009 20:45:47 +0000 (21:45 +0100)]
Merge branch 'for-2.6.31' into for-2.6.32

15 years agoASoC: Add WM8523 CODEC driver
Mark Brown [Wed, 1 Jul 2009 17:28:54 +0000 (18:28 +0100)]
ASoC: Add WM8523 CODEC driver

The WM8523 is a high performance stereo DAC with integral charge
pump providing 2Vrms line driver outputs using a single 3.3V power
supply rail.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Only disable pxa2xx-i2s clocks if we enabled them
Mark Brown [Wed, 1 Jul 2009 17:23:26 +0000 (18:23 +0100)]
ASoC: Only disable pxa2xx-i2s clocks if we enabled them

The clock API can't cope with unbalanced enables and disables and
we only enable in hw_params() but try to disable in shutdown.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Convert to dev_pm_ops
Mark Brown [Tue, 30 Jun 2009 18:05:15 +0000 (19:05 +0100)]
ASoC: Convert to dev_pm_ops

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: OMAP: fix OMAP1510 broken PCM pointer callback
Janusz Krzysztofik [Sat, 27 Jun 2009 22:21:05 +0000 (00:21 +0200)]
ASoC: OMAP: fix OMAP1510 broken PCM pointer callback

This patch tries to work around the problem of broken OMAP1510 PCM playback
pointer calculation by replacing DMA function call that incorrectly tries to
read the value form DMA hardware with a value computed locally from an
already maintained variable omap_runtime_data.period_index.

Tested on OMAP5910 based Amstrad Delta (E3) using work in progress ASoC
driver.

Based on linux-2.6-asoc.git v2.6.31-rc1.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: remove BROKEN from Efika and pcm030 fabric drivers
Grant Likely [Sun, 28 Jun 2009 07:42:06 +0000 (01:42 -0600)]
ASoC: remove BROKEN from Efika and pcm030 fabric drivers

The needed spin_event_timeout() macro is now merged in from the
powerpc tree, so these drivers are no longer broken.  This reverts
commit 0c0e09e21a9e7bc6ca54e06ef3d497255ca26383 (ASoC: Mark MPC5200
AC97 as BROKEN until PowerPC merge issues are resolved)

Tested against 2.6.31-rc1.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix typo in MPC5200 PSC AC97 driver Kconfig
Grant Likely [Sun, 28 Jun 2009 07:41:52 +0000 (01:41 -0600)]
ASoC: Fix typo in MPC5200 PSC AC97 driver Kconfig

ALSA SoC drivers should be specify SND_SOC_AC97_BUS instead, not AC97_BUS.
Without SND_SOC_AC97_BUS defined, an AC97 device will not get correctly
registered on the AC97 bus, which prevents thinks like the WM9712
touchscreen driver from getting probed.

Tested against 2.6.31-rc1.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix WM8961 suspend function type
Mark Brown [Mon, 29 Jun 2009 15:29:06 +0000 (16:29 +0100)]
ASoC: Fix WM8961 suspend function type

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Fix widget powerdown on shutdown
Mark Brown [Fri, 26 Jun 2009 14:36:56 +0000 (15:36 +0100)]
ASoC: Fix widget powerdown on shutdown

We need to set the widget power state we want to implement.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: Remove word "Switch" from Handsfree switch name
Lopez Cruz, Misael [Thu, 25 Jun 2009 17:36:14 +0000 (12:36 -0500)]
ASoC: Remove word "Switch" from Handsfree switch name

SoC dapm adds the suffix "Switch" to SND_SOC_DAPM_SWITCH controls,
removing word "Switch" from HandsfreeL/HandsfreeR widget name
for avoiding to duplicate it.

Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoASoC: txx9aclc: dynamically allocate dmaengine devname
Atsushi Nemoto [Thu, 25 Jun 2009 13:36:58 +0000 (22:36 +0900)]
ASoC: txx9aclc: dynamically allocate dmaengine devname

Use kasprintf to allocate temporary devname string instead of a
fixed size string.
This fixes "FIXME" introduced on removal of BUS_ID_SIZE.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoMerge branch 'for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
Takashi Iwai [Thu, 25 Jun 2009 13:28:39 +0000 (15:28 +0200)]
Merge branch 'for-2.6.32' of git://git./linux/kernel/git/broonie/sound-2.6 into topic/asoc

15 years agoMerge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
Takashi Iwai [Thu, 25 Jun 2009 13:28:14 +0000 (15:28 +0200)]
Merge branch 'for-2.6.31' of git://git./linux/kernel/git/broonie/sound-2.6 into fix/asoc

Conflicts:
MAINTAINERS

15 years agoMerge branch 'for-2.6.31' into for-2.6.32
Mark Brown [Thu, 25 Jun 2009 12:58:37 +0000 (13:58 +0100)]
Merge branch 'for-2.6.31' into for-2.6.32

15 years agoASoC: Add core suspend and resume callbacks to WM8961
Mark Brown [Thu, 25 Jun 2009 12:57:59 +0000 (13:57 +0100)]
ASoC: Add core suspend and resume callbacks to WM8961

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoMAINTAINERS: Add entry for twl4030 series soc codec driver
Peter Ujfalusi [Thu, 25 Jun 2009 10:26:09 +0000 (13:26 +0300)]
MAINTAINERS: Add entry for twl4030 series soc codec driver

New MAINTAINERS entry for twl4030 series soc codec driver
with Peter Ujfalusi as maintainer.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
15 years agoLinux 2.6.31-rc1 v2.6.31-rc1
Linus Torvalds [Wed, 24 Jun 2009 23:25:37 +0000 (16:25 -0700)]
Linux 2.6.31-rc1

15 years agoRevert "PCI: use ACPI _CRS data by default"
Linus Torvalds [Wed, 24 Jun 2009 23:23:03 +0000 (16:23 -0700)]
Revert "PCI: use ACPI _CRS data by default"

This reverts commit 9e9f46c44e487af0a82eb61b624553e2f7118f5b.

Quoting from the commit message:

 "At this point, it seems to solve more problems than it causes, so let's
  try using it by default.  It's an easy revert if it ends up causing
  trouble."

And guess what? The _CRS code causes trouble.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge git://git.infradead.org/battery-2.6
Linus Torvalds [Wed, 24 Jun 2009 21:35:57 +0000 (14:35 -0700)]
Merge git://git.infradead.org/battery-2.6

* git://git.infradead.org/battery-2.6:
  da9030_battery: Fix race between event handler and monitor
  Add MAX17040 Fuel Gauge driver
  w1: ds2760_battery: add support for sleep mode feature
  w1: ds2760: add support for EEPROM read and write
  ds2760_battery: cleanups in ds2760_battery_probe()

15 years agoMerge branches 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro...
Linus Torvalds [Wed, 24 Jun 2009 21:17:14 +0000 (14:17 -0700)]
Merge branches 'for-linus' of git://git./linux/kernel/git/viro/{vfs-2.6,audit-current}

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  another race fix in jfs_check_acl()
  Get "no acls for this inode" right, fix shmem breakage
  inline functions left without protection of ifdef (acl)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  audit: inode watches depend on CONFIG_AUDIT not CONFIG_AUDIT_SYSCALL

15 years agoanother race fix in jfs_check_acl()
Al Viro [Wed, 24 Jun 2009 21:02:42 +0000 (17:02 -0400)]
another race fix in jfs_check_acl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoGet "no acls for this inode" right, fix shmem breakage
Al Viro [Wed, 24 Jun 2009 20:58:48 +0000 (16:58 -0400)]
Get "no acls for this inode" right, fix shmem breakage

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoaudit: inode watches depend on CONFIG_AUDIT not CONFIG_AUDIT_SYSCALL
Eric Paris [Wed, 24 Jun 2009 20:09:01 +0000 (16:09 -0400)]
audit: inode watches depend on CONFIG_AUDIT not CONFIG_AUDIT_SYSCALL

Even though one cannot make use of the audit watch code without
CONFIG_AUDIT_SYSCALL the spaghetti nature of the audit code means that
the audit rule filtering requires that it at least be compiled.

Thus build the audit_watch code when we build auditfilter like it was
before cfcad62c74abfef83762dc05a556d21bdf3980a2

Clearly this is a point of potential future cleanup..

Reported-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoinline functions left without protection of ifdef (acl)
Markus Trippelsdorf [Wed, 24 Jun 2009 20:28:52 +0000 (22:28 +0200)]
inline functions left without protection of ifdef (acl)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoMerge branch 'futexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 24 Jun 2009 20:33:19 +0000 (13:33 -0700)]
Merge branch 'futexes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'futexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  futex: Fix the write access fault problem for real

15 years agofutex: Fix the write access fault problem for real
Thomas Gleixner [Thu, 11 Jun 2009 21:15:43 +0000 (23:15 +0200)]
futex: Fix the write access fault problem for real

commit 64d1304a64 (futex: setup writeable mapping for futex ops which
modify user space data) did address only half of the problem of write
access faults.

The patch was made on two wrong assumptions:

1) access_ok(VERIFY_WRITE,...) would actually check write access.

   On x86 it does _NOT_. It's a pure address range check.

2) a RW mapped region can not go away under us.

   That's wrong as well. Nobody can prevent another thread to call
   mprotect(PROT_READ) on that region where the futex resides. If that
   call hits between the get_user_pages_fast() verification and the
   actual write access in the atomic region we are toast again.

The solution is to not rely on access_ok and get_user() for any write
access related fault on private and shared futexes. Instead we need to
fault it in with verification of write access.

There is no generic non destructive write mechanism which would fault
the user page in trough a #PF, but as we already know that we will
fault we can as well call get_user_pages() directly and avoid the #PF
overhead.

If get_user_pages() returns -EFAULT we know that we can not fix it
anymore and need to bail out to user space.

Remove a bunch of confusing comments on this issue as well.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org
15 years agoSLUB: Don't pass __GFP_FAIL for the initial allocation
Pekka Enberg [Wed, 24 Jun 2009 18:59:51 +0000 (21:59 +0300)]
SLUB: Don't pass __GFP_FAIL for the initial allocation

SLUB uses higher order allocations by default but falls back to small
orders under memory pressure. Make sure the GFP mask used in the initial
allocation doesn't include __GFP_NOFAIL.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoDon't warn about order-1 allocations with __GFP_NOFAIL
Linus Torvalds [Wed, 24 Jun 2009 19:16:49 +0000 (12:16 -0700)]
Don't warn about order-1 allocations with __GFP_NOFAIL

Traditionally, we never failed small orders (even regardless of any
__GFP_NOFAIL flags), and slab will allocate order-1 allocations even for
small allocations that could fit in a single page (in order to avoid
excessive fragmentation).

Maybe we should remove this warning entirely, but before making that
judgement, at least limit it to bigger allocations.

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Wed, 24 Jun 2009 17:47:38 +0000 (10:47 -0700)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  Staging: octeon-ethernet: Fix race freeing transmit buffers.
  Staging: octeon-ethernet: Convert to use net_device_ops.
  MIPS: Cavium: Add CPU hotplugging code.
  MIPS: SMP: Allow suspend and hibernation if CPU hotplug is available
  MIPS: Add arch generic CPU hotplug
  DMA: txx9dmac: use dma_unmap_single if DMA_COMPL_{SRC,DEST}_UNMAP_SINGLE set
  MIPS: Sibyte: Fix build error if CONFIG_SERIAL_SB1250_DUART is undefined.
  MIPS: MIPSsim: Fix build error if MSC01E_INT_BASE is undefined.
  MIPS: Hibernation: Remove SMP TLB and cacheflushing code.
  MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users.
  MIPS: bug.h Build fix - include <linux/compiler.h>.

15 years agoStaging: octeon-ethernet: Fix race freeing transmit buffers.
David Daney [Tue, 23 Jun 2009 23:20:56 +0000 (16:20 -0700)]
Staging: octeon-ethernet: Fix race freeing transmit buffers.

The existing code had the following race:

Thread-1                       Thread-2

inc/read in_use
                               inc/read in_use
inc tx_free_list[qos].len
                               inc tx_free_list[qos].len

The actual in_use value was incremented twice, but thread-1 is going
to free memory based on its stale value, and will free one too many
times.  The result is that memory is freed back to the kernel while
its packet is still in the transmit buffer.  If the memory is
overwritten before it is transmitted, the hardware will put a valid
checksum on it and send it out (just like it does with good packets).
If by chance the TCP flags are clobbered but not the addresses or
ports, the result can be a broken TCP stream.

The fix is to track the number of freed packets in a single location
(a Fetch-and-Add Unit register).  That way it can never get out of sync
with itself.

We try to free up to MAX_SKB_TO_FREE (currently 10) buffers at a time.
If fewer are available we adjust the free count with the difference.
The action of claiming buffers to free is atomic so two threads cannot
claim the same buffers.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoStaging: octeon-ethernet: Convert to use net_device_ops.
David Daney [Tue, 23 Jun 2009 18:34:08 +0000 (11:34 -0700)]
Staging: octeon-ethernet: Convert to use net_device_ops.

Convert the driver to use net_device_ops as it is now mandatory.

Also compensate for the removal of struct sk_buff's dst field.

The changes are mostly mechanical, the content of ethernet-common.c
was moved to ethernet.c and ethernet-common.{c,h} are removed.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: Cavium: Add CPU hotplugging code.
Ralf Baechle [Tue, 23 Jun 2009 09:36:38 +0000 (10:36 +0100)]
MIPS: Cavium: Add CPU hotplugging code.

Thanks to Cavium Inc. for the code contribution and help.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: SMP: Allow suspend and hibernation if CPU hotplug is available
Ralf Baechle [Tue, 23 Jun 2009 09:20:56 +0000 (10:20 +0100)]
MIPS: SMP: Allow suspend and hibernation if CPU hotplug is available

The SMP implementation of suspend and hibernate depends on CPU hotplugging.
In the past we didn't have CPU hotplug so suspend and hibernation were not
possible on SMP systems.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: Add arch generic CPU hotplug
Ralf Baechle [Tue, 23 Jun 2009 09:00:31 +0000 (10:00 +0100)]
MIPS: Add arch generic CPU hotplug

Each platform has to add support for CPU hotplugging itself by providing
suitable definitions for the cpu_disable and cpu_die of the smp_ops
methods and setting SYS_SUPPORTS_HOTPLUG_CPU.  A platform should only set
SYS_SUPPORTS_HOTPLUG_CPU once all it's smp_ops definitions have the
necessary changes.  This patch contains the changes to the dummy smp_ops
definition for uni-processor systems.

Parts of the code contributed by Cavium Inc.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoDMA: txx9dmac: use dma_unmap_single if DMA_COMPL_{SRC,DEST}_UNMAP_SINGLE set
Atsushi Nemoto [Wed, 17 Jun 2009 20:08:31 +0000 (13:08 -0700)]
DMA: txx9dmac: use dma_unmap_single if DMA_COMPL_{SRC,DEST}_UNMAP_SINGLE set

This patch does not change actual behaviour since dma_unmap_page is just
an alias of dma_unmap_single on MIPS.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: Sibyte: Fix build error if CONFIG_SERIAL_SB1250_DUART is undefined.
Ralf Baechle [Mon, 22 Jun 2009 15:17:52 +0000 (16:17 +0100)]
MIPS: Sibyte: Fix build error if CONFIG_SERIAL_SB1250_DUART is undefined.

This fixes kernel.org bugzilla 13596, see
http://bugzilla.kernel.org/show_bug.cgi?id=13596

Reported-by: dvice_null@yahoo.com
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: MIPSsim: Fix build error if MSC01E_INT_BASE is undefined.
Ralf Baechle [Mon, 22 Jun 2009 14:48:27 +0000 (15:48 +0100)]
MIPS: MIPSsim: Fix build error if MSC01E_INT_BASE is undefined.

This fixes kernel.org bugzilla 13595, see
http://bugzilla.kernel.org/show_bug.cgi?id=13595

Reported-by: dvice_null@yahoo.com
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: Hibernation: Remove SMP TLB and cacheflushing code.
Ralf Baechle [Fri, 19 Jun 2009 14:01:44 +0000 (15:01 +0100)]
MIPS: Hibernation: Remove SMP TLB and cacheflushing code.

We can't perform any flushes on SMP from swsusp_arch_resume because
interrupts are disabled.  A cross-CPU flush is unnecessary anyway
because all but the local CPU have already been disabled.  A local
flush is not needed either because we didn't change any mappings.  So
just delete the code.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users.
Ralf Baechle [Fri, 19 Jun 2009 13:05:26 +0000 (14:05 +0100)]
MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users.

Some of the were relying into smp.h being dragged in by another header
which of course is fragile.  <asm/cpu-info.h> uses smp_processor_id()
only in macros and including smp.h there leads to an include loop, so
don't change cpu-info.h.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMIPS: bug.h Build fix - include <linux/compiler.h>.
Ralf Baechle [Fri, 19 Jun 2009 12:51:28 +0000 (13:51 +0100)]
MIPS: bug.h Build fix - include <linux/compiler.h>.

In the past this file somehow used to be dragged in.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
Linus Torvalds [Wed, 24 Jun 2009 17:26:54 +0000 (10:26 -0700)]
Merge git://git./linux/kernel/git/agk/linux-2.6-dm

* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (48 commits)
  dm mpath: change to be request based
  dm: disable interrupt when taking map_lock
  dm: do not set QUEUE_ORDERED_DRAIN if request based
  dm: enable request based option
  dm: prepare for request based option
  dm raid1: add userspace log
  dm: calculate queue limits during resume not load
  dm log: fix create_log_context to use logical_block_size of log device
  dm target:s introduce iterate devices fn
  dm table: establish queue limits by copying table limits
  dm table: replace struct io_restrictions with struct queue_limits
  dm table: validate device logical_block_size
  dm table: ensure targets are aligned to logical_block_size
  dm ioctl: support cookies for udev
  dm: sysfs add suspended attribute
  dm table: improve warning message when devices not freed before destruction
  dm mpath: add service time load balancer
  dm mpath: add queue length load balancer
  dm mpath: add start_io and nr_bytes to path selectors
  dm snapshot: use barrier when writing exception store
  ...

15 years agoMerge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb
Linus Torvalds [Wed, 24 Jun 2009 17:26:24 +0000 (10:26 -0700)]
Merge branch 'for-upstream' of git://git./linux/kernel/git/dvrabel/uwb

* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb:
  uwb: allow WLP to be used with IPv6.
  uwb: event_size should be signed

15 years agoMerge branch 'audit.b63' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit...
Linus Torvalds [Wed, 24 Jun 2009 17:22:57 +0000 (10:22 -0700)]
Merge branch 'audit.b63' of git://git./linux/kernel/git/viro/audit-current

* 'audit.b63' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  Fix rule eviction order for AUDIT_DIR
  Audit: clean up all op= output to include string quoting
  Audit: move audit_get_nd completely into audit_watch
  audit: seperate audit inode watches into a subfile
  Audit: clean up audit_receive_skb
  Audit: cleanup netlink mesg handling
  Audit: unify the printk of an skb when auditd not around
  Audit: dereferencing krule as if it were an audit_watch
  Audit: better estimation of execve record length
  Audit: fix audit watch use after free

15 years agoMAINTAINERS: Change mailing list info for CRIS
Jesper Nilsson [Wed, 24 Jun 2009 07:33:19 +0000 (09:33 +0200)]
MAINTAINERS: Change mailing list info for CRIS

Posting to the dev-etrax mailing list is only allowed for subscribers,
and the list is more geared toward user applications than kernel
developers.

Change to newly created mailing list for CRIS.

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
Linus Torvalds [Wed, 24 Jun 2009 17:17:07 +0000 (10:17 -0700)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (72 commits)
  asus-laptop: remove EXPERIMENTAL dependency
  asus-laptop: use pr_fmt and pr_<level>
  eeepc-laptop: cpufv updates
  eeepc-laptop: sync eeepc-laptop with asus_acpi
  asus_acpi: Deprecate in favor of asus-laptop
  acpi4asus: update MAINTAINER and KConfig links
  asus-laptop: platform dev as parent for led and backlight
  eeepc-laptop: enable camera by default
  ACPI: Rename ACPI processor device bus ID
  acerhdf: Acer Aspire One fan control
  ACPI: video: DMI workaround broken Acer 7720 BIOS enabling display brightness
  ACPI: run ACPI device hot removal in kacpi_hotplug_wq
  ACPI: Add the reference count to avoid unloading ACPI video bus twice
  ACPI: DMI to disable Vista compatibility on some Sony laptops
  ACPI: fix a deadlock in hotplug case
  Show the physical device node of backlight class device.
  ACPI: pdc init related memory leak with physical CPU hotplug
  ACPI: pci_root: remove unused dev/fn information
  ACPI: pci_root: simplify list traversals
  ACPI: pci_root: use driver data rather than list lookup
  ...

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
Linus Torvalds [Wed, 24 Jun 2009 17:03:12 +0000 (10:03 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (23 commits)
  switch xfs to generic acl caching helpers
  helpers for acl caching + switch to those
  switch shmem to inode->i_acl
  switch reiserfs to inode->i_acl
  switch reiserfs to usual conventions for caching ACLs
  reiserfs: minimal fix for ACL caching
  switch nilfs2 to inode->i_acl
  switch btrfs to inode->i_acl
  switch jffs2 to inode->i_acl
  switch jfs to inode->i_acl
  switch ext4 to inode->i_acl
  switch ext3 to inode->i_acl
  switch ext2 to inode->i_acl
  add caching of ACLs in struct inode
  fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls
  cleanup __writeback_single_inode
  ... and the same for vfsmount id/mount group id
  Make allocation of anon devices cheaper
  update Documentation/filesystems/Locking
  devpts: remove module-related code
  ...

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
Linus Torvalds [Wed, 24 Jun 2009 17:01:12 +0000 (10:01 -0700)]
Merge git://git./linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6:
  bnx2: Fix the behavior of ethtool when ONBOOT=no
  qla3xxx: Don't sleep while holding lock.
  qla3xxx: Give the PHY time to come out of reset.
  ipv4 routing: Ensure that route cache entries are usable and reclaimable with caching is off
  net: Move rx skb_orphan call to where needed
  ipv6: Use correct data types for ICMPv6 type and code
  net: let KS8842 driver depend on HAS_IOMEM
  can: let SJA1000 driver depend on HAS_IOMEM
  netxen: fix firmware init handshake
  netxen: fix build with without CONFIG_PM
  netfilter: xt_rateest: fix comparison with self
  netfilter: xt_quota: fix incomplete initialization
  netfilter: nf_log: fix direct userspace memory access in proc handler
  netfilter: fix some sparse endianess warnings
  netfilter: nf_conntrack: fix conntrack lookup race
  netfilter: nf_conntrack: fix confirmation race condition
  netfilter: nf_conntrack: death_by_timeout() fix

15 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux...
Linus Torvalds [Wed, 24 Jun 2009 16:57:10 +0000 (09:57 -0700)]
Merge branch 'for_linus' of git://git./linux/kernel/git/jack/linux-udf-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6:
  udf: remove redundant tests on unsigned
  udf: Use device size when drive reported bogus number of written blocks

15 years agoRemove low_latency flag setting from nozomi and mxser drivers
Chuck Ebbert [Wed, 24 Jun 2009 17:35:13 +0000 (18:35 +0100)]
Remove low_latency flag setting from nozomi and mxser drivers

The kernel oopses if this flag is set.

[and neither driver should set it as they call tty_flip_buffer_push from IRQ
 paths so have always been buggy]

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agotty: fix tty_port_block_til_ready waiting
Jiri Slaby [Wed, 24 Jun 2009 17:35:05 +0000 (18:35 +0100)]
tty: fix tty_port_block_til_ready waiting

Since commit 3e3b5c087799e536871c8261b05bc28e4783c8da ("tty: use
prepare/finish_wait"), tty_port_block_til_ready() is using
prepare_to_wait()/finish_wait().  Those functions require that the
wait_queue_t be initialised with .func=autoremove_wake_function, via
DEFINE_WAIT().

But the conversion from DECLARE_WAITQUEUE() to DEFINE_WAIT() was not made,
so this code will oops in finish_wait().

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agopci: use pci_ioremap_bar() in drivers/serial
Arjan van de Ven [Wed, 24 Jun 2009 17:34:58 +0000 (18:34 +0100)]
pci: use pci_ioremap_bar() in drivers/serial

Use the newly introduced pci_ioremap_bar() function in drivers/serial.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agosynclink_gt: fix transmit race and timeout
Paul Fulghum [Wed, 24 Jun 2009 17:34:51 +0000 (18:34 +0100)]
synclink_gt: fix transmit race and timeout

Fix race condition when adding transmit data to active DMA buffer ring
that can cause transmit stall.

Update transmit timeout when adding data to active DMA buffer ring.
Base transmit timeout on amount of buffered data instead of using fixed
value.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agojsm: clean up "serial: jsm: correctly support 4 8 port boards"
Andrew Morton [Wed, 24 Jun 2009 17:34:43 +0000 (18:34 +0100)]
jsm: clean up "serial: jsm: correctly support 4 8 port boards"

Remove unneeded casts.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agokgdb: kgdboc console poll hooks for serial_txx9 uart
Atsushi Nemoto [Wed, 24 Jun 2009 17:34:34 +0000 (18:34 +0100)]
kgdb: kgdboc console poll hooks for serial_txx9 uart

Implement the serial polling hooks for the serial_txx9 uart for use with
kgdboc.

This patch once got SOB from Jason on Jul 2008 and (perhaps) merged into
kgdb-next branch, but lost somewhere then.  I resend it now with Jason's
Acked-by.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoswitch xfs to generic acl caching helpers
Al Viro [Tue, 9 Jun 2009 17:29:39 +0000 (13:29 -0400)]
switch xfs to generic acl caching helpers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agohelpers for acl caching + switch to those
Al Viro [Tue, 9 Jun 2009 16:11:54 +0000 (12:11 -0400)]
helpers for acl caching + switch to those

helpers: get_cached_acl(inode, type), set_cached_acl(inode, type, acl),
forget_cached_acl(inode, type).

ubifs/xattr.c needed includes reordered, the rest is a plain switchover.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch shmem to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:56:00 +0000 (19:56 -0400)]
switch shmem to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch reiserfs to inode->i_acl
Al Viro [Tue, 9 Jun 2009 01:07:04 +0000 (21:07 -0400)]
switch reiserfs to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch reiserfs to usual conventions for caching ACLs
Al Viro [Tue, 9 Jun 2009 01:01:13 +0000 (21:01 -0400)]
switch reiserfs to usual conventions for caching ACLs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoreiserfs: minimal fix for ACL caching
Al Viro [Tue, 9 Jun 2009 00:46:54 +0000 (20:46 -0400)]
reiserfs: minimal fix for ACL caching

reiserfs uses NULL as "unknown" and ERR_PTR(-ENODATA) as "no ACL";
several codepaths store the former instead of the latter.

All those codepaths go through iset_acl() and all cases when it's
called with NULL acl are for the second variety, so the minimal
fix is to teach iset_acl() to deal with that.

Proper fix is to switch to more usual conventions and avoid back
and forth between internally used ERR_PTR(-ENODATA) and NULL
expected by the rest of the kernel.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch nilfs2 to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:56:34 +0000 (19:56 -0400)]
switch nilfs2 to inode->i_acl

Actually, get rid of private analog, since nothing in there is
using ACLs at all so far.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch btrfs to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:55:32 +0000 (19:55 -0400)]
switch btrfs to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch jffs2 to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:55:12 +0000 (19:55 -0400)]
switch jffs2 to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch jfs to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:54:52 +0000 (19:54 -0400)]
switch jfs to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch ext4 to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:54:26 +0000 (19:54 -0400)]
switch ext4 to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch ext3 to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:53:58 +0000 (19:53 -0400)]
switch ext3 to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoswitch ext2 to inode->i_acl
Al Viro [Mon, 8 Jun 2009 23:52:55 +0000 (19:52 -0400)]
switch ext2 to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoadd caching of ACLs in struct inode
Al Viro [Mon, 8 Jun 2009 23:50:45 +0000 (19:50 -0400)]
add caching of ACLs in struct inode

No helpers, no conversions yet.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agofs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls
Ankit Jain [Fri, 19 Jun 2009 18:28:07 +0000 (14:28 -0400)]
fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls

This patch adds ioctls to vfs for compatibility with legacy XFS
pre-allocation ioctls (XFS_IOC_*RESVP*). The implementation
effectively invokes sys_fallocate for the new ioctls.
Also handles the compat_ioctl case.
Note: These legacy ioctls are also implemented by OCFS2.

[AV: folded fixes from hch]

Signed-off-by: Ankit Jain <me@ankitjain.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agocleanup __writeback_single_inode
Christoph Hellwig [Mon, 8 Jun 2009 11:35:40 +0000 (13:35 +0200)]
cleanup __writeback_single_inode

There is no reason to for the split between __writeback_single_inode and
__sync_single_inode, the former just does a couple of checks before
tail-calling the latter.  So merge the two, and while we're at it split
out the I_SYNC waiting case for data integrity writers, as it's
logically separate function.  Finally rename __writeback_single_inode to
writeback_single_inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years ago... and the same for vfsmount id/mount group id
Al Viro [Wed, 24 Jun 2009 07:12:00 +0000 (03:12 -0400)]
... and the same for vfsmount id/mount group id

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoMake allocation of anon devices cheaper
Al Viro [Wed, 24 Jun 2009 06:05:18 +0000 (02:05 -0400)]
Make allocation of anon devices cheaper

Standard trick - add a new variable (start) such that
for each n < start n is known to be busy.  Allocation can
skip checking everything in [0..start) and if it returns
n, we can set start to n + 1.  Freeing below start sets
start to what we'd just freed.

Of course, it still sucks if we do something like
free 0
allocate
allocate
in a loop - still O(n^2) time.  However, on saner loads it
improves the things a lot and the entire thing is not worth
the trouble of switching to something with better worst-case
behaviour.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoupdate Documentation/filesystems/Locking
Christoph Hellwig [Fri, 19 Jun 2009 18:22:37 +0000 (20:22 +0200)]
update Documentation/filesystems/Locking

The rules for locking in many superblock operations has changed
significantly, so update the documentation for it.  Also correct some
older updates and ommissions.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agodevpts: remove module-related code
H. Peter Anvin [Wed, 17 Jun 2009 04:15:04 +0000 (21:15 -0700)]
devpts: remove module-related code

These days, the devpts filesystem is closely integrated with the pty
memory management, and cannot be built as a module, even less removed
from the kernel.  Accordingly, remove all module-related stuff from
this filesystem.

[ v2: only remove code that's actually dead ]

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoVFS: Switch init_mount_tree() to use the new create_mnt_ns() helper
Trond Myklebust [Tue, 23 Jun 2009 21:29:49 +0000 (17:29 -0400)]
VFS: Switch init_mount_tree() to use the new create_mnt_ns() helper

Eliminates some duplicated code...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agovfs: fix nd->root leak in do_filp_open()
J. R. Okajima [Thu, 18 Jun 2009 14:30:15 +0000 (23:30 +0900)]
vfs: fix nd->root leak in do_filp_open()

commit 2a737871108de9ba8930f7650d549f1383767f8b "Cache root in nameidata"
introduced a new member nd->root, but forgot to put it in do_filp_open().

Signed-off-by: J. R. Okajima <hooanon05@yahoo.co.jp>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
15 years agoreiserfs: remove stray unlock_super in reiserfs_resize
Christoph Hellwig [Fri, 19 Jun 2009 08:30:07 +0000 (10:30 +0200)]
reiserfs: remove stray unlock_super in reiserfs_resize

Reiserfs doesn't use lock_super anywhere internally, and ->remount_fs
which calls reiserfs_resize does have it currently but also expects it
to be held on return, so there's no business for the unlock_super here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked by Edward Shishkin <edward.shishkin@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>