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The Integrator has a custom <mach/memory.h> header defining the
BUS_OFFSET for *_to_bus and bus_to_* operations as offset from
0x80000000.
This switches the Integrator over to using the mechanism
introduced for the Keystone to provide the same offset using
the device tree, deletes <mach/memory.h> and augments the
Integrator device tree to provide the bus offset.
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c new drivers from Wolfram Sang:
"Here is a pull request from i2c hoping for the "new driver" rule.
Originally, I wanted to send this request during the merge window, but
code checkers with very recent additions complained, so a few fixups
were needed. So, some more time went by and I merged rc1 to get a
stable base"
So the "new driver" rule is really about drivers that people absolutely
need for the kernel to work on new hardware, which is not so much the
case for i2c. So I considered not pulling this, but eventually
relented.
Just for FYI: the whole (and only) point of "new drivers" is not that
new drivers cannot regress things (they can, and they have - by
triggering badly tested code on machines that never triggered that code
before), but because they can bring to life machines that otherwise
wouldn't be useful at all without the drivers.
So the new driver rule is for essential things that actual consumers
would care about, ie devices like networking or disk drivers that matter
to normal people (not server people - they run old kernels anyway, so
mainlining new drivers is irrelevant for them).
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: sun6-p2wi: fix call to snprintf
i2c: rk3x: add NULL entry to the end of_device_id array
i2c: sun6i-p2wi: use proper return value in probe
i2c: sunxi: add P2WI (Push/Pull 2 Wire Interface) controller support
i2c: sunxi: add P2WI DT bindings documentation
i2c: rk3x: add driver for Rockchip RK3xxx SoC I2C adapter
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Pull file locking fixes from Jeff Layton:
"File locking related bugfixes
Nothing too earth-shattering here. A fix for a potential regression
due to a patch in pile #1, and the addition of a memory barrier to
prevent a race condition between break_deleg and generic_add_lease"
* tag 'locks-v3.16-2' of git://git.samba.org/jlayton/linux:
locks: set fl_owner for leases back to current->files
locks: add missing memory barrier in break_deleg
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fixes from Michal Marek:
"There are three fixes for regressions caused by the relative paths
series: deb-pkg, tar-pkg and *docs did not work with O=.
Plus, there is a fix for the linux-headers deb package and a fixed
typo. These are not regression fixes but are safe enough"
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: fix a typo in a kbuild document
builddeb: fix missing headers in linux-headers package
Documentation: Fix DocBook build with relative $(srctree)
kbuild: Fix tar-pkg with relative $(objtree)
deb-pkg: Fix for relative paths
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"This fixes some lockups in btrfs reported with rc1. It probably has
some performance impact because it is backing off our spinning locks
more often and switching to a blocking lock. I'll be able to nail
that down next week, but for now I want to get the lockups taken care
of.
Otherwise some more stack reduction and assorted fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix wrong error handle when the device is missing or is not writeable
Btrfs: fix deadlock when mounting a degraded fs
Btrfs: use bio_endio_nodec instead of open code
Btrfs: fix NULL pointer crash when running balance and scrub concurrently
btrfs: Skip scrubbing removed chunks to avoid -ENOENT.
Btrfs: fix broken free space cache after the system crashed
Btrfs: make free space cache write out functions more readable
Btrfs: remove unused wait queue in struct extent_buffer
Btrfs: fix deadlocks with trylock on tree nodes
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Pull nfsd bugfixes from Bruce Fields:
"Fixes for a new regression from the xdr encoding rewrite, and a
delegation problem we've had for a while (made somewhat more annoying
by the vfs delegation support added in 3.13)"
* 'for-3.16' of git://linux-nfs.org/~bfields/linux:
NFSD: fix bug for readdir of pseudofs
NFSD: Don't hand out delegations for 30 seconds after recalling them.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"This is larger than usual: the main reason are the ARM symbol lookup
speedups that came in late and were hard to resist.
There's also a kprobes fix and various tooling fixes, plus the minimal
re-enablement of the mmap2 support interface"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
x86/kprobes: Fix build errors and blacklist context_track_user
perf tests: Add test for closing dso objects on EMFILE error
perf tests: Add test for caching dso file descriptors
perf tests: Allow reuse of test_file function
perf tests: Spawn child for each test
perf tools: Add dso__data_* interface descriptons
perf tools: Allow to close dso fd in case of open failure
perf tools: Add file size check and factor dso__data_read_offset
perf tools: Cache dso data file descriptor
perf tools: Add global count of opened dso objects
perf tools: Add global list of opened dso objects
perf tools: Add data_fd into dso object
perf tools: Separate dso data related variables
perf tools: Cache register accesses for unwind processing
perf record: Fix to honor user freq/interval properly
perf timechart: Reflow documentation
perf probe: Improve error messages in --line option
perf probe: Improve an error message of perf probe --vars mode
perf probe: Show error code and description in verbose mode
perf probe: Improve error message for unknown member of data structure
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull rtmutex fixes from Thomas Gleixner:
"Another three patches to make the rtmutex code more robust. That's
the last urgent fallout from the big futex/rtmutex investigation"
* 'locking-urgent-for-linus.patch' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rtmutex: Plug slow unlock race
rtmutex: Detect changes in the pi lock chain
rtmutex: Handle deadlock detection smarter
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 patches from Martin Schwidefsky:
"A couple of bug fixes, a debug change for qdio, an update for the
default config, and one small extension.
The watchdog module based on diagnose 0x288 is converted to the
watchdog API and it now works under LPAR as well"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ccwgroup: use ccwgroup_ungroup wrapper
s390/ccwgroup: fix an uninitialized return code
s390/ccwgroup: obtain extra reference for asynchronous processing
qdio: Keep device-specific dbf entries
s390/compat: correct ucontext layout for high gprs
s390/cio: set device name as early as possible
s390: update default configuration
s390: avoid format strings leaking into names
s390/airq: silence lockdep warning
s390/watchdog: add support for LPAR operation (diag288)
s390/watchdog: use watchdog API
s390/sclp_vt220: Enable ASCII console per default
s390/qdio: replace shift loop by ilog2
s390/cio: silence lockdep warning
s390/uaccess: always load the kernel ASCE after task switch
s390/ap_bus: Make modules parameters visible in sysfs
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Pull UniCore32 bug fixes from Guan Xuetao:
"This includes bugfixes to make unicore32 successfully build under
defconfig, and some changes for allmodconfig (though not finished)"
* tag 'for-linus' of git://github.com/gxt/linux:
unicore32: Remove ARCH_HAS_CPUFREQ config option
UniCore32: Change git tree location information in MAINTAINERS
arch: unicore32: ksyms: export '__cpuc_coherent_kern_range' to avoid compiling failure
arch: unicore32: ksyms: export 'pm_power_off' to avoid compiling failure.
arch: unicore32: ksyms: export additional find_first_*() to avoid compiling failure
arch:unicore32:mm: add devmem_is_allowed() to support STRICT_DEVMEM
unicore32: include: asm: add missing ')' for PAGE_* macros in pgtable.h
arch/unicore32/kernel/setup.c: add generic 'screen_info' to avoid compiling failure
drivers: scsi: mvsas: fix compiling issue by adding 'MVS_' for "enum pci_interrupt_cause"
arch: unicore32: kernel: ksyms: remove 'bswapsi2' and 'muldi3' to avoid compiling failure
arch/unicore32/kernel/ksyms.c: remove 2 export symbols to avoid compiling failure
drivers/rtc/rtc-puv3.c: remove "&dev->" for typo issue MIME-Version: 1.0
drivers/rtc/rtc-puv3.c: use dev_dbg() instead of dev_debug() for typo issue
arch/unicore32/include/asm/io.h: add readl_relaxed() generic definition
arch/unicore32/include/asm/ptrace.h: add generic definition for profile_pc()
arch/unicore32/mm/alignment.c: include "asm/pgtable.h" to avoid compiling error
arch/unicore32/kernel/clock.c: add readl() and writel() for 'PM_' macros
arch/unicore32/kernel/module.c: use __vmalloc_node_range() instead of __vmalloc_area()
arch/unicore32/kernel/ksyms.c: remove several undefined exported symbols
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver fixes from Greg KH:
"Here are 3 patches, one a revert of the UIO patch you objected to in
3.16-rc1 and that no one wanted to defend, a w1 driver bugfix, and a
MAINTAINERS update for the vmware balloon driver.
All of these, except for the MAINTAINERS update which just got added,
have been in linux-next just fine"
* tag 'char-misc-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
MAINTAINERS: add entry for VMware Balloon driver
w1: mxc_w1: Fix incorrect "presence" status
Revert "uio: fix vma io range check in mmap"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a few fixes for staging and iio drivers that resolve issues
reported in 3.16-rc1.
All have been in linux-next just fine"
* tag 'staging-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
imx-drm: parallel-display: Fix DPMS default state.
staging: android: timed_output: fix use after free of dev
staging: comedi: addi_apci_1564: add addi_watchdog dependency
staging: rtl8723au: Reference correct firmwarefiles with MODULE_FIRMWARE()
staging: rtl8723au: Request correct firmware file for A-cut parts
iio: adc: checking for NULL instead of IS_ERR() in probe
iio: adc: at91: signedness bug in at91_adc_get_trigger_value_by_name()
iio: mxs-lradc: fix divider
iio: Fix endianness issue in ak8975_read_axis()
staging/iio: IIO_SIMPLE_DUMMY_BUFFER neds IIO_BUFFER
twl4030-madc: Request processed values in twl4030_get_madc_conversion
staging: iio: tsl2x7x_core: fix proximity treshold
iio: Fix two mpl3115 issues in measurement conversion
iio: hid-sensors: Get feature report from sensor hub after changing power state
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial bugfixes from Greg KH:
"Here are some tty / serial driver bugfixes for 3.16-rc2 that resolve
some reported issues. The samsung driver build error itself has been
reported by a bunch of people, sorry about that one. The others are
all tiny and everyone seems to like them in linux-next so far"
* tag 'tty-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty/serial: fix 8250 early console option passing to regular console
tty: Correct INPCK handling
serial: Fix IGNBRK handling
serial: samsung: Fix build error
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB fixes for 3.16-rc2 that resolve some reported
issues. All of these have been in linux-next for a while with no
problems"
* tag 'usb-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: usbtest: add a timeout for scatter-gather tests
USB: EHCI: avoid BIOS handover on the HASEE E200
usb: fix hub-port pm_runtime_enable() vs runtime pm transitions
usb: quiet peer failure warning, disable poweroff
usb: improve "not suspended yet" message in hub_suspend()
xhci: Fix sleeping with IRQs disabled in xhci_stop_device()
usb: fix ->update_hub_device() vs hdev->maxchild
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Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are fixes mostly (ia64 regression related to the ACPI
enumeration of devices, cpufreq regressions, fix for I2C controllers
included in Intel SoCs, mvebu cpuidle driver fix related to sysfs)
plus additional kernel command line arguments from Kees to make it
possible to build kernel images with hibernation and the kernel
address space randomization included simultaneously, a new ACPI
battery driver quirk for a system with a broken BIOS and a couple of
ACPI core cleanups.
Specifics:
- Fix for an ia64 regression introduced during the 3.11 cycle by a
commit that modified the hardware initialization ordering and made
device discovery fail on some systems.
- Fix for a build problem on systems where the cpufreq-cpu0 driver is
built-in and the cpu-thermal driver is modular from Arnd Bergmann.
- Fix for a recently introduced computational mistake in the
intel_pstate driver that leads to excessive rounding errors from
Doug Smythies.
- Fix for a failure code path in cpufreq_update_policy() that fails
to unlock the locks acquired previously from Aaron Plattner.
- Fix for the cpuidle mvebu driver to use shorter state names which
will prevent the sysfs interface from returning mangled strings.
From Gregory Clement.
- ACPI LPSS driver fix to make sure that the I2C controllers included
in BayTrail SoCs are not held in the reset state while they are
being probed from Mika Westerberg.
- New kernel command line arguments making it possible to build
kernel images with hibernation and kASLR included at the same time
and to select which of them will be used via the command line (they
are still functionally mutually exclusive, though). From Kees
Cook.
- ACPI battery driver quirk for Acer Aspire V5-573G that fails to
send battery status change notifications timely from Alexander
Mezin.
- Two ACPI core cleanups from Christoph Jaeger and Fabian Frederick"
* tag 'pm+acpi-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: mvebu: Fix the name of the states
cpufreq: unlock when failing cpufreq_update_policy()
intel_pstate: Correct rounding in busy calculation
ACPI: use kstrto*() instead of simple_strto*()
ACPI / processor replace __attribute__((packed)) by __packed
ACPI / battery: add quirk for Acer Aspire V5-573G
ACPI / battery: use callback for setting up quirks
ACPI / LPSS: Take I2C host controllers out of reset
x86, kaslr: boot-time selectable with hibernation
PM / hibernate: introduce "nohibernate" boot parameter
cpufreq: cpufreq-cpu0: fix CPU_THERMAL dependency
ACPI / ia64 / sba_iommu: Restore the working initialization ordering
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The significant part here is a few security fixes for ALSA core
control API by Lars. Besides that, there are a few fixes for ASoC
sigmadsp (again by Lars) for building properly, and small fixes for
ASoC rsnd, MMP, PXA and FSL, in addition to a fix for bogus WARNING in
i915/HD-audio binding"
* tag 'sound-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: control: Make sure that id->index does not overflow
ALSA: control: Handle numid overflow
ALSA: control: Don't access controls outside of protected regions
ALSA: control: Fix replacing user controls
ALSA: control: Protect user controls against concurrent access
drm/i915, HD-audio: Don't continue probing when nomodeset is given
ASoC: fsl: Fix build problem
ASoC: rsnd: fixup index of src/dst mod when capture
ASoC: fsl_spdif: Fix integer overflow when calculating divisors
ASoC: fsl_spdif: Fix incorrect usage of regmap_read()
ASoC: dapm: Make sure register value is in sync with DAPM kcontrol state
ASoC: sigmadsp: Split regmap and I2C support into separate modules
ASoC: MMP audio needs sram support
ASoC: pxa: add I2C dependencies as needed
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Pull drm fixes from Dave Airlie:
"This looks bigger than it is, as one of the nouveau firmware fixes
("drm/gf100-/gr: report class data to host on fwmthd failure")
regenerates a bunch of the firmware files after changing the assembly
by a few lines, without that, its more of a
36 files changed, 370 insertions(+), 129 deletions(-)
It contains some vt.c fixes acked by Greg, for rare hard hangs on i915
loading, that also fixes hangs on reload and spurious register write
errors.
drm core: one fix for uninit memory
nouveau: displayport rework caused a few regressions, Ben has been
fixing them as the appear, along with some other fixes
radeon: pageflipping regression fix, deep color fix, mode validation
fixes
i915: fbc disable, vga console kick off, backlight fix, divide-by-zero
fix"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (33 commits)
drm: fix uninitialized acquire_ctx fields (v2)
drm/radeon: Fix radeon_irq_kms_pflip_irq_get/put() imbalance
Revert "drm/radeon: remove drm_vblank_get|put from pflip handling"
drm/radeon: improve dvi_mode_valid
drm/radeon: update mode_valid testing for DP
drm/radeon: Use dce5/6 hdmi deep color clock setup also on dce8+
drm/nouveau/disp: fix oops in destructor with headless cards
drm/gf117/i2c: no aux channels on this chipset
drm/nouveau/doc: update the thermal documentation
drm/nouveau/pwr: fix typo in fifo wrap handling
drm/nv50/disp: fix a potential oops in supervisor handling
drm/nouveau/disp/dp: don't touch link config after success
drm/nouveau/kms: reference vblank for crtc during pageflip.
drm/gk104/fb/ram: fixups from an earlier search+replace
drm/nv50/gr: remove an unneeded write while initialising PGRAPH
drm/nv50/gr: fix overlap while zeroing zcull regions
drm/gf100-/gr: report class data to host on fwmthd failure
drm/gk104/ibus: increase various random timeouts
drm/gk104/clk: only touch divider for mode we'll be using
drm/radeon: Bypass hw lut's for > 8 bpc framebuffer scanout.
...
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Pull block fixes from Jens Axboe:
"A smaller collection of fixes for the block core that would be nice to
have in -rc2. This pull request contains:
- Fixes for races in the wait/wakeup logic used in blk-mq from
Alexander. No issues have been observed, but it is definitely a
bit flakey currently. Alternatively, we may drop the cyclic
wakeups going forward, but that needs more testing.
- Some cleanups from Christoph.
- Fix for an oops in null_blk if queue_mode=1 and softirq completions
are used. From me.
- A fix for a regression caused by the chunk size setting. It
inadvertently used max_hw_sectors instead of max_sectors, which is
incorrect, and causes hangs on btrfs multi-disk setups (where hw
sectors apparently isn't set). From me.
- Removal of WQ_POWER_EFFICIENT in the kblockd creation. This was a
recent addition as well, but it actually breaks blk-mq which relies
on strict scheduling. If the workqueue power_efficient mode is
turned on, this breaks blk-mq. From Matias.
- null_blk module parameter description fix from Mike"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: bitmap tag: fix races in bt_get() function
blk-mq: bitmap tag: fix race on blk_mq_bitmap_tags::wake_cnt
blk-mq: bitmap tag: fix races on shared ::wake_index fields
block: blk_max_size_offset() should check ->max_sectors
null_blk: fix softirq completions for queue_mode == 1
blk-mq: merge blk_mq_drain_queue and __blk_mq_drain_queue
blk-mq: properly drain stopped queues
block: remove WQ_POWER_EFFICIENT from kblockd
null_blk: fix name and description of 'queue_mode' module parameter
block: remove elv_abort_queue and blk_abort_flushes
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"A first set of bug fixes that didn't make it for the merge window, and
two Kconfig cleanups that still make sense at this point.
Unfortunately, one of the two cleanups caused an unintended change in
the original version, so we had to revert one part of it and do some
more testing to ensure the rest is really fine. There was also a
last-minute rebase of the patches to remove another bad commit"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: use menuconfig for sub-arch menus
ARM: multi_v7_defconfig: re-enable SDHCI drivers
ARM: EXYNOS: Fix compilation warning
ARM: exynos: move sysram info to exynos.c
ARM: dts: Specify the NAND ECC scheme explicitly on Armada 385 DB board
ARM: dts: Specify the NAND ECC scheme explicitly on Armada 375 DB board
ARM: exynos: cleanup kconfig option display
misc: vexpress: fix error handling vexpress_syscfg_regmap_init()
ARM: Remove ARCH_HAS_CPUFREQ config option
ARM: integrator: fix section mismatch problem
ARM: mvebu: DT: fix OpenBlocks AX3-4 RAM size
ARM: samsung: make SAMSUNG_DMADEV optional
remoteproc: da8xx: don't select CMA on no-MMU
bus/arm-cci: add dependency on OF && CPU_V7
ARM: keystone requires ARM_PATCH_PHYS_VIRT
ARM: omap2: fix am43xx dependency on l2x0 cache
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W1 reset_bus() should return zero if slave device is present.
This patch fix this issue.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If connector->dpms is left untouched, it defaults
to DRM_MODE_DPMS_ON (0).
As a result, drm_helper_connector_dpms will exit when
it will be asked to set the state to DRM_MODE_DPMS_ON,
because it is already set.
That issue prevented displays from turning on at boot.
Signed-off-by: Denis Carikli <denis@eukrea.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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tdev->dev has been freed in device_destroy(), it's not right to
use dev_set_drvdata() after that;
Signed-off-by: Yi Zhang <yizhang@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This config exists entirely to hide the cpufreq menu from the
kernel configuration unless a platform has selected it. Nothing
is actually built if this config is 'Y' and it just leads to more
patches that add a select under a platform Kconfig so that some
other CPUfreq option can be chosen. Let's remove the option so
that we can always enable CPUfreq drivers on unicore32 platforms.
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
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UniCore32 git repo has moved to github.
Branch 'unicore32' is used for prepared patches, and automatically merged to linux-next.
Branch 'unicore32-working' is used for development.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
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compiling failure
flush_icache_range() is '__cpuc_coherent_kern_range' under unicore32,
and lkdtm.ko needs it. At present, '__cpuc_coherent_kern_range' is
still used by unicore32, so export it to avoid compiling failure.
The related error (with allmodconfig under unicore32):
ERROR: "__cpuc_coherent_kern_range" [drivers/misc/lkdtm.ko] undefined!
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
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Two driver modules need 'pm_power_off', so export it.
The related error (with allmodconfig under unicore32):
MODPOST 4039 modules
ERROR: "pm_power_off" [drivers/mfd/retu-mfd.ko] undefined!
ERROR: "pm_power_off" [drivers/char/ipmi/ipmi_poweroff.ko] undefined!
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
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failure
Some modules need find_first_bit() and find_first_zero_bit(), so export
them.
The related error (with allmodconfig under unicore32):
MODPOST 4039 modules
ERROR: "find_first_bit" [sound/soc/codecs/snd-soc-uda1380.ko] undefined!
ERROR: "find_first_zero_bit" [net/sctp/sctp.ko] undefined!
...
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
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unicore32 supports STRICT_DEVMEM, so it needs devmem_is_allowed(), like
some of other architectures have done (e.g. arm, powerpc, x86 ...).
The related error with allmodconfig:
CC drivers/char/mem.o
drivers/char/mem.c: In function ârange_is_allowedâ:
drivers/char/mem.c:69: error: implicit declaration of function âdevmem_is_allowedâ
make[2]: *** [drivers/char/mem.o] Error 1
make[1]: *** [drivers/char] Error 2
make: *** [drivers] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
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Missing related ')', the related compiling error:
CC [M] drivers/gpu/drm/udl/udl_fb.o
drivers/gpu/drm/udl/udl_fb.c: In function ‘udl_fb_mmap’:
drivers/gpu/drm/udl/udl_fb.c:273: error: expected ‘)’ before ‘return’
drivers/gpu/drm/udl/udl_fb.c:281: error: expected expression before ‘}’ token
make[4]: *** [drivers/gpu/drm/udl/udl_fb.o] Error 1
make[3]: *** [drivers/gpu/drm/udl] Error 2
make[2]: *** [drivers/gpu/drm] Error 2
make[1]: *** [drivers/gpu] Error 2
make: *** [drivers] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
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failure
Add generic 'screen_info' just like another architectures have done
(e.g. tile, sh, score, ia64, hexagon, and cris).
The related error (with allmodconfig under unicore32):
LD init/built-in.o
drivers/built-in.o: In function `vgacon_save_screen':
powercap_sys.c:(.text+0x21788): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_resize':
powercap_sys.c:(.text+0x21b54): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_switch':
powercap_sys.c:(.text+0x21cb4): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_init':
powercap_sys.c:(.text+0x2296c): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_startup':
powercap_sys.c:(.text+0x22e80): undefined reference to `screen_info'
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
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pci_interrupt_cause"
The direct cause is IRQ_SPI is already defined as a macro in unicore32
architecture (also, blackfin and mips architectures define it). The
related error (unicore32 with allmodconfig)
CC [M] drivers/scsi/mvsas/mv_94xx.o
In file included from drivers/scsi/mvsas/mv_94xx.c:27:
drivers/scsi/mvsas/mv_94xx.h:176: error: expected identifier before numeric constant
And IRQ_SAS_A and IRQ_SAS_B are used as 'u32' (although "enum
pci_interrupt_cause" is not used directly, now).
All together, need add 'MVS_' for "enum pci_interrupt_cause".
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
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compiling failure
After check the code, 'bswapsi2' and 'muldi3' are useless for
unicore32, so can remove them to avoid compiling failure.
The related error (with allmodconfig under unicore32):
LD init/built-in.o
arch/unicore32/kernel/built-in.o:(___ksymtab+__muldi3+0x0): undefined reference to `__muldi3'
arch/unicore32/kernel/built-in.o:(___ksymtab+__bswapsi2+0x0): undefined reference to `__bswapsi2'
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
failure
'csum_partial' and 'csum_partial_copy_from_user' have already been
exported in "lib/", so need not export them again, or it will cause
compiling error.
The related error (with allmodconfig under unicore32):
LD vmlinux.o
lib/built-in.o:(___ksymtab+csum_partial+0x0): multiple definition of `__ksymtab_csum_partial'
arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial+0x0): first defined here
lib/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): multiple definition of `__ksymtab_csum_partial_copy_from_user'
arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): first defined here
make: *** [vmlinux] Error 1
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
It is only a typo issue, the related commit:
"1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()"
The related error (for unicore32 with allmodconfig):
CC [M] drivers/rtc/rtc-puv3.o
drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setalarm':
drivers/rtc/rtc-puv3.c:143: error: 'struct device' has no member named 'dev'
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
It is only a typo issue, the related commit:
"1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()"
The related error (unicore32 with allmodconfig):
CC [M] drivers/rtc/rtc-puv3.o
drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setpie':
drivers/rtc/rtc-puv3.c:74: error: implicit declaration of function 'dev_debug'
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
Need generic definition for readl_relaxed(), like other architectures
have done. Or can not pass compiling with allmodconfig, the related
error:
CC [M] drivers/message/fusion/mptbase.o
drivers/message/fusion/mptbase.c: In function 'mpt_send_handshake_request':
drivers/message/fusion/mptbase.c:1224: error: implicit declaration of function 'readl_relaxed'
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
Add generic definition just like another architectures have done, or
can not pass compiling with allmodconfig, the related error:
CC kernel/profile.o
kernel/profile.c: In function 'profile_tick':
kernel/profile.c:419: error: implicit declaration of function 'profile_pc'
make[1]: *** [kernel/profile.o] Error 1
make: *** [kernel] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
Need include "asm/pgtable.h" to include "asm-generic/pgtable-nopmd.h",
so can let 'pmd_t' defined. The related error with allmodconfig:
CC arch/unicore32/mm/alignment.o
In file included from arch/unicore32/mm/alignment.c:24:
arch/unicore32/include/asm/tlbflush.h:135: error: expected .). before .*. token
arch/unicore32/include/asm/tlbflush.h:154: error: expected .). before .*. token
In file included from arch/unicore32/mm/alignment.c:27:
arch/unicore32/mm/mm.h:15: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
arch/unicore32/mm/mm.h:20: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
arch/unicore32/mm/mm.h:25: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
make[1]: *** [arch/unicore32/mm/alignment.o] Error 1
make: *** [arch/unicore32/mm] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
Add readl() and writel() for 'PM_' macros, just like another areas have
done within unicored32, or will cause compiling issue.
The related error (allmodconfig for unicored32):
CC arch/unicore32/kernel/clock.o
arch/unicore32/kernel/clock.c: In function 'clk_set_rate':
arch/unicore32/kernel/clock.c:182: warning: initialization makes integer from pointer without a cast
arch/unicore32/kernel/clock.c:204: error: lvalue required as left operand of assignment
arch/unicore32/kernel/clock.c:206: error: lvalue required as left operand of assignment
arch/unicore32/kernel/clock.c:207: error: invalid operands to binary & (have 'void *' and 'long unsigned int')
make[1]: *** [arch/unicore32/kernel/clock.o] Error 1
make: *** [arch/unicore32/kernel] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
__vmalloc_area()
__vmalloc_area() has already been removed from upstream kernel, need
use __vmalloc_node_range() instead of.
The related commit: "d0a2126 mm: unify module_alloc code for vmalloc".
The related error (allmodconfig for unicore32):
CC arch/unicore32/kernel/module.o
arch/unicore32/kernel/module.c: In function 'module_alloc' :
arch/unicore32/kernel/module.c:34: error: implicit declaration of function '__vmalloc_area'
arch/unicore32/kernel/module.c:34: warning: return makes pointer from integer without a cast
make[1]: *** [arch/unicore32/kernel/module.o] Error 1
make: *** [arch/unicore32/kernel] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
For 'csum_partial_copy_nocheck()', it has default definition in
'asm-generic'.
For '__raw_reads?()' and '__raw_writes?()' are used by the drivers
which no relationship with allmodconfig for unicode32, the related
modules are:
drivers/mmc/host/omap.c
drivers/mtd/nand/atmel_nand.c
drivers/mtd/nand/pxa3xx_nand.c
drivers/usb/gadget/at91_udc.c
Others are only within some architectures (not kernel wide).
The related error with allmodconfig for unicode32:
CC arch/unicore32/kernel/ksyms.o
arch/unicore32/kernel/ksyms.c:29: error: ._backtrace. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:29: error: type defaults to .nt. in declaration of ._backtrace.
arch/unicore32/kernel/ksyms.c:38: error: .sum_partial_copy_nocheck. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:38: error: type defaults to .nt. in declaration of .sum_partial_copy_nocheck.
arch/unicore32/kernel/ksyms.c:39: error: ._csum_ipv6_magic. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:39: error: type defaults to .nt. in declaration of ._csum_ipv6_magic.
arch/unicore32/kernel/ksyms.c:43: error: ._raw_readsb. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:43: error: type defaults to .nt. in declaration of ._raw_readsb.
arch/unicore32/kernel/ksyms.c:46: error: ._raw_readsw. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:46: error: type defaults to .nt. in declaration of ._raw_readsw.
arch/unicore32/kernel/ksyms.c:49: error: ._raw_readsl. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:49: error: type defaults to .nt. in declaration of ._raw_readsl.
arch/unicore32/kernel/ksyms.c:52: error: ._raw_writesb. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:52: error: type defaults to .nt. in declaration of ._raw_writesb.
arch/unicore32/kernel/ksyms.c:55: error: ._raw_writesw. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:55: error: type defaults to .nt. in declaration of ._raw_writesw.
arch/unicore32/kernel/ksyms.c:58: error: ._raw_writesl. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:58: error: type defaults to .nt. in declaration of ._raw_writesl.
arch/unicore32/kernel/ksyms.c:79: error: ._get_user_1. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:79: error: type defaults to .nt. in declaration of ._get_user_1.
arch/unicore32/kernel/ksyms.c:80: error: ._get_user_2. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:80: error: type defaults to .nt. in declaration of ._get_user_2.
arch/unicore32/kernel/ksyms.c:81: error: ._get_user_4. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:81: error: type defaults to .nt. in declaration of ._get_user_4.
arch/unicore32/kernel/ksyms.c:83: error: ._put_user_1. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:83: error: type defaults to .nt. in declaration of ._put_user_1.
arch/unicore32/kernel/ksyms.c:84: error: ._put_user_2. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:84: error: type defaults to .nt. in declaration of ._put_user_2.
arch/unicore32/kernel/ksyms.c:85: error: ._put_user_4. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:85: error: type defaults to .nt. in declaration of ._put_user_4.
arch/unicore32/kernel/ksyms.c:86: error: ._put_user_8. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:86: error: type defaults to .nt. in declaration of ._put_user_8.
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
|
|
The original bio might be submitted, so we shoud increase bi_remaining to
account for it when we deal with the error that the device is missing or
is not writeable, or we would skip the endio handle.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
|
The deadlock happened when we mount degraded filesystem, the reproduced
steps are following:
# mkfs.btrfs -f -m raid1 -d raid1 <dev0> <dev1>
# echo 1 > /sys/block/`basename <dev0>`/device/delete
# mount -o degraded <dev1> <mnt>
The reason was that the counter -- bi_remaining was wrong. If the missing
or unwriteable device was the last device in the mapping array, we would
not submit the original bio, so we shouldn't increase bi_remaining of it
in btrfs_end_bio(), or we would skip the final endio handle.
Fix this problem by adding a flag into btrfs bio structure. If we submit
the original bio, we will set the flag, and we increase bi_remaining counter,
or we don't.
Though there is another way to fix it -- decrease bi_remaining counter of the
original bio when we make sure the original bio is not submitted, this method
need add more check and is easy to make mistake.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
|
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
|
While running balance, scrub, fsstress concurrently we hit the
following kernel crash:
[56561.448845] BTRFS info (device sde): relocating block group 11005853696 flags 132
[56561.524077] BUG: unable to handle kernel NULL pointer dereference at 0000000000000078
[56561.524237] IP: [<ffffffffa038956d>] scrub_chunk.isra.12+0xdd/0x130 [btrfs]
[56561.524297] PGD 9be28067 PUD 7f3dd067 PMD 0
[56561.524325] Oops: 0000 [#1] SMP
[....]
[56561.527237] Call Trace:
[56561.527309] [<ffffffffa038980e>] scrub_enumerate_chunks+0x24e/0x490 [btrfs]
[56561.527392] [<ffffffff810abe00>] ? abort_exclusive_wait+0x50/0xb0
[56561.527476] [<ffffffffa038add4>] btrfs_scrub_dev+0x1a4/0x530 [btrfs]
[56561.527561] [<ffffffffa0368107>] btrfs_ioctl+0x13f7/0x2a90 [btrfs]
[56561.527639] [<ffffffff811c82f0>] do_vfs_ioctl+0x2e0/0x4c0
[56561.527712] [<ffffffff8109c384>] ? vtime_account_user+0x54/0x60
[56561.527788] [<ffffffff810f768c>] ? __audit_syscall_entry+0x9c/0xf0
[56561.527870] [<ffffffff811c8551>] SyS_ioctl+0x81/0xa0
[56561.527941] [<ffffffff815707f7>] tracesys+0xdd/0xe2
[...]
[56561.528304] RIP [<ffffffffa038956d>] scrub_chunk.isra.12+0xdd/0x130 [btrfs]
[56561.528395] RSP <ffff88004c0f5be8>
[56561.528454] CR2: 0000000000000078
This is because in btrfs_relocate_chunk(), we will free @bdev directly while
scrub may still hold extent mapping, and may access freed memory.
Fix this problem by wrapping freeing @bdev work into free_extent_map() which
is based on reference count.
Reported-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
|
When run scrub with balance, sometimes -ENOENT will be returned, since
in scrub_enumerate_chunks() will search dev_extent in *COMMIT_ROOT*, but
btrfs_lookup_block_group() will search block group in *MEMORY*, so if a
chunk is removed but not committed, -ENOENT will be returned.
However, there is no need to stop scrubbing since other chunks may be
scrubbed without problem.
So this patch changes the behavior to skip removed chunks and continue
to scrub the rest.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
|
When we mounted the filesystem after the crash, we got the following
message:
BTRFS error (device xxx): block group xxxx has wrong amount of free space
BTRFS error (device xxx): failed to load free space cache for block group xxx
It is because we didn't update the metadata of the allocated space (in extent
tree) until the file data was written into the disk. During this time, there was
no information about the allocated spaces in either the extent tree nor the
free space cache. when we wrote out the free space cache at this time (commit
transaction), those spaces were lost. In fact, only the free space that is
used to store the file data had this problem, the others didn't because
the metadata of them is updated in the same transaction context.
There are many methods which can fix the above problem
- track the allocated space, and write it out when we write out the free
space cache
- account the size of the allocated space that is used to store the file
data, if the size is not zero, don't write out the free space cache.
The first one is complex and may make the performance drop down.
This patch chose the second method, we use a per-block-group variant to
account the size of that allocated space. Besides that, we also introduce
a per-block-group read-write semaphore to avoid the race between
the allocation and the free space cache write out.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
|
This patch makes the free space cache write out functions more readable,
and beisdes that, it also reduces the stack space that the function --
__btrfs_write_out_cache uses from 194bytes to 144bytes.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
|
