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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (47 commits)
ext4: Fix potential fiemap deadlock (mmap_sem vs. i_data_sem)
ext4: Do not override ext2 or ext3 if built they are built as modules
jbd2: Export jbd2_log_start_commit to fix ext4 build
ext4: Fix insufficient checks in EXT4_IOC_MOVE_EXT
ext4: Wait for proper transaction commit on fsync
ext4: fix incorrect block reservation on quota transfer.
ext4: quota macros cleanup
ext4: ext4_get_reserved_space() must return bytes instead of blocks
ext4: remove blocks from inode prealloc list on failure
ext4: wait for log to commit when umounting
ext4: Avoid data / filesystem corruption when write fails to copy data
ext4: Use ext4 file system driver for ext2/ext3 file system mounts
ext4: Return the PTR_ERR of the correct pointer in setup_new_group_blocks()
jbd2: Add ENOMEM checking in and for jbd2_journal_write_metadata_buffer()
ext4: remove unused parameter wbc from __ext4_journalled_writepage()
ext4: remove encountered_congestion trace
ext4: move_extent_per_page() cleanup
ext4: initialize moved_len before calling ext4_move_extents()
ext4: Fix double-free of blocks with EXT4_IOC_MOVE_EXT
ext4: use ext4_data_block_valid() in ext4_free_blocks()
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* 'for-linus' of git://git.open-osd.org/linux-open-osd:
exofs: Multi-device mirror support
exofs: Move all operations to an io_engine
exofs: move osd.c to ios.c
exofs: statfs blocks is sectors not FS blocks
exofs: Prints on mount and unmout
exofs: refactor exofs_i_info initialization into common helper
exofs: dbg-print less
exofs: More sane debug print
trivial: some small fixes in exofs documentation
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* git://git.infradead.org/ubifs-2.6:
UBIFS: fix return code in check_leaf
UBI: flush wl before clearing update marker
MAINTAINERS: change e-mail of Artem Bityutskiy
UBIFS: remove manual O_SYNC handling
UBIFS: support mounting of UBI volume character devices
UBI: Add ubi_open_volume_path
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This patch drops usage of floating point variable for 32bit build
Signed-off-by: David T. L. Wong <davidtlwong@gmail.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch changes on-disk format, it is accompanied with a parallel
patch to mkfs.exofs that enables multi-device capabilities.
After this patch, old exofs will refuse to mount a new formatted FS and
new exofs will refuse an old format. This is done by moving the magic
field offset inside the FSCB. A new FSCB *version* field was added. In
the future, exofs will refuse to mount unmatched FSCB version. To
up-grade or down-grade an exofs one must use mkfs.exofs --upgrade option
before mounting.
Introduced, a new object that contains a *device-table*. This object
contains the default *data-map* and a linear array of devices
information, which identifies the devices used in the filesystem. This
object is only written to offline by mkfs.exofs. This is why it is kept
separate from the FSCB, since the later is written to while mounted.
Same partition number, same object number is used on all devices only
the device varies.
* define the new format, then load the device table on mount time make
sure every thing is supported.
* Change I/O engine to now support Mirror IO, .i.e write same data
to multiple devices, read from a random device to spread the
read-load from multiple clients (TODO: stripe read)
Implementation notes:
A few points introduced in previous patch should be mentioned here:
* Special care was made so absolutlly all operation that have any chance
of failing are done before any osd-request is executed. This is to
minimize the need for a data consistency recovery, to only real IO
errors.
* Each IO state has a kref. It starts at 1, any osd-request executed
will increment the kref, finally when all are executed the first ref
is dropped. At IO-done, each request completion decrements the kref,
the last one to return executes the internal _last_io() routine.
_last_io() will call the registered io_state_done. On sync mode a
caller does not supply a done method, indicating a synchronous
request, the caller is put to sleep and a special io_state_done is
registered that will awaken the caller. Though also in sync mode all
operations are executed in parallel.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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In anticipation for multi-device operations, we separate osd operations
into an abstract I/O API. Currently only one device is used but later
when adding more devices, we will drive all devices in parallel according
to a "data_map" that describes how data is arranged on multiple devices.
The file system level operates, like before, as if there is one object
(inode-number) and an i_size. The io engine will split this to the same
object-number but on multiple device.
At first we introduce Mirror (raid 1) layout. But at the final outcome
we intend to fully implement the pNFS-Objects data-map, including
raid 0,4,5,6 over mirrored devices, over multiple device-groups. And
more. See: http://tools.ietf.org/html/draft-ietf-nfsv4-pnfs-obj-12
* Define an io_state based API for accessing osd storage devices
in an abstract way.
Usage:
First a caller allocates an io state with:
exofs_get_io_state(struct exofs_sb_info *sbi,
struct exofs_io_state** ios);
Then calles one of:
exofs_sbi_create(struct exofs_io_state *ios);
exofs_sbi_remove(struct exofs_io_state *ios);
exofs_sbi_write(struct exofs_io_state *ios);
exofs_sbi_read(struct exofs_io_state *ios);
exofs_oi_truncate(struct exofs_i_info *oi, u64 new_len);
And when done
exofs_put_io_state(struct exofs_io_state *ios);
* Convert all source files to use this new API
* Convert from bio_alloc to bio_kmalloc
* In io engine we make use of the now fixed osd_req_decode_sense
There are no functional changes or on disk additions after this patch.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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If I do a "git mv" together with a massive code change
and commit in one patch, git looses the rename and
records a delete/new instead. This is bad because I want
a rename recorded so later rebased/cherry-picked patches
to the old name will work. Also the --follow is lost.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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Even though exofs has a 4k block size, statfs blocks
is in sectors (512 bytes).
Also if target returns 0 for capacity then make it
ULLONG_MAX. df does not like zero-size filesystems
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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It is important to print in the logs when a filesystem was
mounted and eventually unmounted.
Print the osd-device's osd_name and pid the FS was
mounted/unmounted on.
TODO: How to also print the namespace path the filesystem was
mounted on?
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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There are two places that initialize inodes: exofs_iget() and
exofs_new_inode()
As more members of exofs_i_info that need initialization are
added this code will grow. (soon)
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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Iner-loops printing is converted to EXOFS_DBG2 which is #defined
to nothing.
It is now almost bareable to just leave debug-on. Every operation
is printed once, with most relevant info (I hope).
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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debug prints should be somewhat useful without actually
reading the source code
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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Add exofs.txt to filesystems Documentation index and fix some typos,
identation and grammar.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPICA: Update version to 20091112.
ACPICA: Add additional module-level code support
ACPICA: Deploy new create integer interface where appropriate
ACPICA: New internal utility function to create Integer objects
ACPICA: Add repair for predefined methods that must return sorted lists
ACPICA: Fix possible fault if return Package objects contain NULL elements
ACPICA: Add post-order callback to acpi_walk_namespace
ACPICA: Change package length error message to an info message
ACPICA: Reduce severity of predefined repair messages, Warning to Info
ACPICA: Update version to 20091013
ACPICA: Fix possible memory leak for Scope ASL operator
ACPICA: Remove possibility of executing _REG methods twice
ACPICA: Add repair for bad _MAT buffers
ACPICA: Add repair for bad _BIF/_BIX packages
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: (41 commits)
hwmon: (adt7475) Add VID support for the ADT7476
hwmon: (adt7475) Add an entry in MAINTAINERS
hwmon: (adt7475) Add support for the ADT7476
hwmon: (adt7475) Voltage attenuators can be bypassed
hwmon: (adt7475) Print device information on probe
hwmon: (adt7475) Handle alternative pin functions
hwmon: (adt7475) Move sysfs files removal to a separate function
hwmon: (adt7475) Add support for the ADT7490
hwmon: (adt7475) Improve device detection
hwmon: (adt7475) Add missing static marker
hwmon: (adt7475) Rework voltage inputs handling
hwmon: (adt7475) Implement pwm_use_point2_pwm_at_crit
hwmon: (adt7475) New documentation
hwmon: (adt7475) Add support for the ADT7473
hwmon: (f71882fg) Add support for the f71889fg (version 2)
hwmon: (f71882fg) Fix sysfs file removal
hwmon: (f71882fg) Cleanup sysfs attr creation 2/2
hwmon: (f71882fg) Cleanup sysfs attr creation 1/2
hwmon: (thmc50) Stop using I2C_CLIENT_MODULE_PARM
hwmon: Add Freescale MC13783 ADC driver
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: ice1724 - aureon - modify WM8770 Master & DAC volume
ALSA: hda/realtek: quirk for D945GCLF2 mainboard
ALSA: hda - Terradici HDA controllers does not support 64-bit mode
ALSA: document: Add direct git link to grub hda-analyzer
ALSA: radio/sound/miro: fix build, cleanup depends/selects
ALSA: hda - Generalize EAPD inversion check in patch_analog.c
ASoC: Wrong variable returned on error
ALSA: snd-usb-us122l: add product IDs of US-122MKII and US-144MKII
ALSA: hda - Exclude unusable ADCs for ALC88x
ALSA: hda - Add missing Line-Out and PCM switches as slave
ALSA: hda - iMac 9,1 sound patch.
ALSA: opti93x: set MC indirect registers base from PnP data
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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: (51 commits)
Input: appletouch - give up maintainership
Input: dm355evm_kbd - switch to using sparse keymap library
Input: wistron_btns - switch to using sparse keymap library
Input: add generic support for sparse keymaps
Input: fix memory leak in force feedback core
Input: wistron - remove identification strings from DMI table
Input: psmouse - remove identification strings from DMI tables
Input: atkbd - remove identification strings from DMI table
Input: i8042 - remove identification strings from DMI tables
DMI: allow omitting ident strings in DMI tables
Input: psmouse - do not carry DMI data around
Input: matrix-keypad - switch to using dev_pm_ops
Input: keyboard - fix lack of locking when traversing handler->h_list
Input: gpio_keys - scan gpio state at probe and resume time
Input: keyboard - add locking around event handling
Input: usbtouchscreen - add support for ET&T TC5UH touchscreen controller
Input: xpad - add two new Xbox 360 devices
Input: polled device - do not start polling if interval is zero
Input: polled device - schedule first poll immediately
Input: add S3C24XX touchscreen driver
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (345 commits)
V4L/DVB (13542): ir-keytable: Allow dynamic table change
V4L/DVB (13541): atbm8830: replace 64-bit division and floating point usage
V4L/DVB (13540): ir-common: Cleanup get key evdev code
V4L/DVB (13539): ir-common: add __func__ for debug messages
V4L/DVB (13538): ir-common: Use a dynamic keycode table
V4L/DVB (13537): ir: Prepare the code for dynamic keycode table allocation
V4L/DVB (13536): em28xx: Use the full RC5 code on HVR-950 Remote Controller
V4L/DVB (13535): ir-common: Add a hauppauge new table with the complete RC5 code
V4L/DVB (13534): ir-common: Remove some unused fields/structs
V4L/DVB (13533): ir: use dynamic tables, instead of static ones
V4L/DVB (13532): ir-common: Add infrastructure to use a dynamic keycode table
V4L/DVB (13531): ir-common: rename the debug routine to allow exporting it
V4L/DVB (13458): go7007: subdev conversion
V4L/DVB (13457): s2250: subdev conversion
V4L/DVB (13456): s2250: Change module structure
V4L/DVB (13528): em28xx: add support for em2800 VC211A card
em28xx: don't reduce scale to half size for em2800
em28xx: don't load audio modules when AC97 is mis-detected
em28xx: em2800 chips support max width of 640
V4L/DVB (13523): dvb-bt8xx: fix compile warning
...
Fix up trivial conflicts due to spelling fixes from the trivial tree in
Documentation/video4linux/gspca.txt
drivers/media/video/cx18/cx18-mailbox.h
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* 'next-i2c' of git://git.fluff.org/bjdooks/linux: (25 commits)
i2c-pnx: Map I2C adapter number to platform ID number
i2c-omap: OMAP3: PM: (re)init for every transfer to support off-mode
i2c-designware: i2c_dw_handle_tx_abort: Use dev_dbg() for NOACK cases
i2c-designware: Cosmetic cleanups
i2c-designware: Tx abort cleanups
i2c-designware: Skip RX_FULL and TX_EMPTY bits on tx abort errors
i2c-designware: i2c_dw_xfer_msg: Fix error handling procedures
i2c-designware: Disable TX_EMPTY when all i2c_msg msgs has been processed
i2c-designware: Process all i2c_msg messages in the interrupt handler
i2c-designware: i2c_dw_read: Remove redundant target address checker
i2c-designware: i2c_dw_func: Set I2C_FUNC_SMBUS_foo bits
i2c-designware: Initialize byte count variables just prior to being used
i2c-designware: i2c_dw_xfer_msg: Introduce a local "buf" pointer
i2c-designware: Divide i2c_dw_xfer_msg into two functions
i2c-designware: Enable RX_FULL interrupt
i2c-designware: Set Tx/Rx FIFO threshold levels
i2c-designware: Process i2c_msg messages in the interrupt handler
i2c-designware: i2c_dw_xfer_msg: Fix i2c_msg search bug
i2c-designware: Improved _HCNT/_LCNT calculation
i2c-designware: Remove an useless local variable "num"
...
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* 's3c24xx-updates' of git://git.fluff.org/bjdooks/linux:
ARM: S3C24XX: DMA: Use valid index when accessing array
ARM: S3C: move s3c_pwm_remove to .devexit.text
ARM: S3C24XX: Export s3c24xx_set_fiq for modules.
ARM: S3C: move s3c_adc_remove to .devexit.text
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6:
sl82c105: remove no longer needed debugging code
sis5513: remove stale TODO
pdc202xx_old: remove no longer needed debugging code
cy82c693: remove no longer needed debugging code
cmd64x: remove no longer needed debugging code
alim15x3: remove obsolete and dangerous wdc_udma parameter
ide: Increase WAIT_DRQ to accomodate some CF cards and SSD drives.
cs5535: add pci id for AMD based CS5535 controllers
slc90e66: fix UDMA handling
drivers/ide/tx4938ide.c: use resource_size()
drivers/ide/ide_platform.c: use resource_size()
drivers/ide/au1xxx-ide.c: use resource_size()
hpt366: remove dead old timing tables
ide: update Kconfig text to mark as deprecated
ide-tape: remove the BKL
hpt366: kill unused #define's
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits)
tree-wide: fix misspelling of "definition" in comments
reiserfs: fix misspelling of "journaled"
doc: Fix a typo in slub.txt.
inotify: remove superfluous return code check
hdlc: spelling fix in find_pvc() comment
doc: fix regulator docs cut-and-pasteism
mtd: Fix comment in Kconfig
doc: Fix IRQ chip docs
tree-wide: fix assorted typos all over the place
drivers/ata/libata-sff.c: comment spelling fixes
fix typos/grammos in Documentation/edac.txt
sysctl: add missing comments
fs/debugfs/inode.c: fix comment typos
sgivwfb: Make use of ARRAY_SIZE.
sky2: fix sky2_link_down copy/paste comment error
tree-wide: fix typos "couter" -> "counter"
tree-wide: fix typos "offest" -> "offset"
fix kerneldoc for set_irq_msi()
spidev: fix double "of of" in comment
comment typo fix: sybsystem -> subsystem
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: add multi-input quirk for NextWindow Touchscreen.
HID: add support for Acan FG-8100 barcode reader
HID: make Media key on Logitech DiNovo Mini work
HID: support Logitech/3DConnexion SpaceTraveler and SpaceNavigator
HID: remove BKL from hiddev_ioctl_usage()
HID: fixup quirk for NCR devices
HID: pidff - fix unnecessary loop iterations on reset
HID: add NOGET quirk for another device from CH Products
HID: remove useless DRIVER_VERSION macro
HID: fix MODULE_AUTHOR usage in HID modules
HID: blacklist Acer Ferrari 4005 optical mouse
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (222 commits)
[SCSI] zfcp: Remove flag ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP
[SCSI] zfcp: Activate fc4s attributes for zfcp in FC transport class
[SCSI] zfcp: Block scsi_eh thread for rport state BLOCKED
[SCSI] zfcp: Update FSF error reporting
[SCSI] zfcp: Improve ELS ADISC handling
[SCSI] zfcp: Simplify handling of ct and els requests
[SCSI] zfcp: Remove ZFCP_DID_MASK
[SCSI] zfcp: Move WKA port to zfcp FC code
[SCSI] zfcp: Use common code definitions for FC CT structs
[SCSI] zfcp: Use common code definitions for FC ELS structs
[SCSI] zfcp: Update FCP protocol related code
[SCSI] zfcp: Dont fail SCSI commands when transitioning to blocked fc_rport
[SCSI] zfcp: Assign scheduled work to driver queue
[SCSI] zfcp: Remove STATUS_COMMON_REMOVE flag as it is not required anymore
[SCSI] zfcp: Implement module unloading
[SCSI] zfcp: Merge trace code for fsf requests in one function
[SCSI] zfcp: Access ports and units with container_of in sysfs code
[SCSI] zfcp: Remove suspend callback
[SCSI] zfcp: Remove global config_mutex
[SCSI] zfcp: Replace local reference counting with common kref
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: export clk_* symbols in clk.c
m68knommu: Split the .init section into INIT_TEXT_SECTION and INIT_DATA_SECTION.
m68knommu: Move __init_end out of the .init section.
m68knommu: Move __init_begin out of the .init section.
m68knommu: Use more macros inside the .init section.
m68knommu: Use INIT_TASK_DATA and CACHELINE_ALIGNED_DATA.
m68knommu: Make THREAD_SIZE available to assembly files.
m68knommu: Don't hardcode the value of PAGE_SIZE in the linker script.
m68knommu: rename BSS define in linker script
m68knommu: add a task_pt_regs() macro
m68knommu: define arch_has_single_step() and friends
m68knommu: add uboot commandline argument passing support
m68knommu: Coldfire GPIO corrections
m68knommu: move mcf_remove to .devexit.text
Fixed up (?) conflict in arch/m68k/include/asm/ptrace.h
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Fix cut/paste detritus from unistd.h
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (137 commits)
sh: include empty zero page in romImage
sh: Make associative cache writes fatal on all SH-4A parts.
sh: Drop associative writes for SH-4 cache flushes.
sh: Partial revert of copy/clear_user_highpage() optimizations.
sh: Add default uImage rule for se7724, ap325rxa, and migor.
sh: allow runtime pm without suspend/resume callbacks
sh: mach-ecovec24: Remove un-defined settings for VPU
sh: mach-ecovec24: LCDC drive ability become high
sh: fix sh7724 VEU3F resource size
serial: sh-sci: Fix too early port disabling.
sh: pfc: pr_info() -> pr_debug() cleanups.
sh: pfc: Convert from ctrl_xxx() to __raw_xxx() I/O routines.
sh: Improve kfr2r09 serial port setup code
sh: Break out SuperH PFC code
sh: Move KEYSC header file
sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
sh: Add CPG save/restore code for sh7724 R-standby
sh: Add SDHI power control support to Ecovec
mfd: Add power control platform data to SDHI driver
sh: mach-ecovec24: modify address map
...
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: (69 commits)
davinci: Initial support for Neuros OSD2 platform.
davinci: remove unused variable in arch/arm/mach-davinci/board-sffsdr.c
davinci: fix section mismatch warning in arch/arm/mach-davinci/board-dm646x-evm.c
DaVinci: DM365: Enable DaVinci RTC support for DM365 EVM
DA8xx/OMAP-L1xx: Add high speed SD/MMC capabilities
davinci: DA8XX/OMAP-L1XX: enable cpuidle and regulator in defconfig
davinci: DA850/OMAP-L138: avoid using separate initcall for initializing regulator
davinci: DA850/OMAP-L138 EVM: register for cpuidle support
davinci: DA8XX/OMAP-L1XX: add support for cpuidle driver register
davinci: add CPU idle driver
davinci: DA8XX/OMAP-L1XX: fix compiler warning
davinci: DA850/OMAP-L138: eliminate static function declaration
davinci: DA850/OMAP-L138 EVM: simplify configuration of emac in MII/RMII mode
davinci: DA850/OMAP-L138 EVM: get rid of DA850_UI_EXP config option
davinci: DA850/OMAP-L138 EVM: implement autodetect of RMII PHY
davinci: DA830/OMAP-L137 EVM: do not configure NAND on UI card when MMC/SD is selected
davinci: DA830/OMAP-L137 EVM: use runtime detection for UI card
davinci: DA830/OMAP-L137 EVM: remove ifdefs inside da830_evm_init()
davinci: DA830/OMAP-L137 EVM: fix warning with default config
davinci: Add NAND support for DA830/OMAP-L137 EVM platform
...
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (72 commits)
[S390] 3215/3270 console: remove wrong comment
[S390] dasd: remove BKL from extended error reporting code
[S390] vmlogrdr: remove BKL
[S390] vmur: remove BKL
[S390] zcrypt: remove BKL
[S390] 3270: remove BKL
[S390] vmwatchdog: remove lock_kernel() from open() function
[S390] monwriter: remove lock_kernel() from open() function
[S390] monreader: remove lock_kernel() from open() function
[S390] s390: remove unused nfsd #includes
[S390] ftrace: build ftrace.o when CONFIG_FTRACE_SYSCALLS is set for s390
[S390] etr/stp: put correct per cpu variable
[S390] tty3270: move keyboard compat ioctls
[S390] sclp: improve servicability setting
[S390] s390: use change recording override for kernel mapping
[S390] MAINTAINERS: Add s390 drivers block
[S390] use generic sockios.h header file
[S390] use generic termbits.h header file
[S390] smp: remove unused typedef and defines
[S390] cmm: free pages on hibernate.
...
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We have a directory for misc drivers documentation, let's use it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
Cc: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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the description in Documentation/filesystems/proc.txt of the
procs_running entry in /proc/stat is confusing (according to that
description, it looks as if procs_running could only be a number
between 0 and the number of CPUs).
Changed it to a more accurate description in the patch attached.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Corrected sysfs gpio chip node name and fixed punctuation.
Signed-off-by: Dominik D. Geyer <dominik.geyer@gmx.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since signal_pending() takes a task_struct pointer as an argument, update
the example to pass in 'current'.
Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use DMA_BIT_MASK(24) instead of 0x00ffffff in DMA-mapping.txt
Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reported-by: Andrew Lyon <andrew.lyon@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The bkl has been removed from nvram_llseek() and smp_lock.h was removed
because another patch in the same tree zapped the remaining usage of bkl
in the same file. But this patch must have been excluded later, then we
still need the smp_lock.h headers for the bkl use in nvram_open().
This fixes the following build error:
drivers/char/nvram.c: In function ‘nvram_open’:
drivers/char/nvram.c:332: erreur: implicit declaration of function ‘lock_kernel’
drivers/char/nvram.c:339: erreur: implicit declaration of function ‘unlock_kernel’
make[2]: *** [drivers/char/nvram.o] Erreur 1
make[1]: *** [drivers/char] Erreur 2
make: *** [drivers] Erreur 2
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the following potential circular locking dependency between
mm->mmap_sem and ei->i_data_sem:
=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.32-04115-gec044c5 #37
-------------------------------------------------------
ureadahead/1855 is trying to acquire lock:
(&mm->mmap_sem){++++++}, at: [<ffffffff81107224>] might_fault+0x5c/0xac
but task is already holding lock:
(&ei->i_data_sem){++++..}, at: [<ffffffff811be1fd>] ext4_fiemap+0x11b/0x159
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&ei->i_data_sem){++++..}:
[<ffffffff81099bfa>] __lock_acquire+0xb67/0xd0f
[<ffffffff81099e7e>] lock_acquire+0xdc/0x102
[<ffffffff81516633>] down_read+0x51/0x84
[<ffffffff811a2414>] ext4_get_blocks+0x50/0x2a5
[<ffffffff811a3453>] ext4_get_block+0xab/0xef
[<ffffffff81154f39>] do_mpage_readpage+0x198/0x48d
[<ffffffff81155360>] mpage_readpages+0xd0/0x114
[<ffffffff811a104b>] ext4_readpages+0x1d/0x1f
[<ffffffff810f8644>] __do_page_cache_readahead+0x12f/0x1bc
[<ffffffff810f86f2>] ra_submit+0x21/0x25
[<ffffffff810f0cfd>] filemap_fault+0x19f/0x32c
[<ffffffff81107b97>] __do_fault+0x55/0x3a2
[<ffffffff81109db0>] handle_mm_fault+0x327/0x734
[<ffffffff8151aaa9>] do_page_fault+0x292/0x2aa
[<ffffffff81518205>] page_fault+0x25/0x30
[<ffffffff812a34d8>] clear_user+0x38/0x3c
[<ffffffff81167e16>] padzero+0x20/0x31
[<ffffffff81168b47>] load_elf_binary+0x8bc/0x17ed
[<ffffffff81130e95>] search_binary_handler+0xc2/0x259
[<ffffffff81166d64>] load_script+0x1b8/0x1cc
[<ffffffff81130e95>] search_binary_handler+0xc2/0x259
[<ffffffff8113255f>] do_execve+0x1ce/0x2cf
[<ffffffff81027494>] sys_execve+0x43/0x5a
[<ffffffff8102918a>] stub_execve+0x6a/0xc0
-> #0 (&mm->mmap_sem){++++++}:
[<ffffffff81099aa4>] __lock_acquire+0xa11/0xd0f
[<ffffffff81099e7e>] lock_acquire+0xdc/0x102
[<ffffffff81107251>] might_fault+0x89/0xac
[<ffffffff81139382>] fiemap_fill_next_extent+0x95/0xda
[<ffffffff811bcb43>] ext4_ext_fiemap_cb+0x138/0x157
[<ffffffff811be069>] ext4_ext_walk_space+0x178/0x1f1
[<ffffffff811be21e>] ext4_fiemap+0x13c/0x159
[<ffffffff811390e6>] do_vfs_ioctl+0x348/0x4d6
[<ffffffff811392ca>] sys_ioctl+0x56/0x79
[<ffffffff81028cb2>] system_call_fastpath+0x16/0x1b
other info that might help us debug this:
1 lock held by ureadahead/1855:
#0: (&ei->i_data_sem){++++..}, at: [<ffffffff811be1fd>] ext4_fiemap+0x11b/0x159
stack backtrace:
Pid: 1855, comm: ureadahead Not tainted 2.6.32-04115-gec044c5 #37
Call Trace:
[<ffffffff81098c70>] print_circular_bug+0xa8/0xb7
[<ffffffff81099aa4>] __lock_acquire+0xa11/0xd0f
[<ffffffff8102f229>] ? sched_clock+0x9/0xd
[<ffffffff81099e7e>] lock_acquire+0xdc/0x102
[<ffffffff81107224>] ? might_fault+0x5c/0xac
[<ffffffff81107251>] might_fault+0x89/0xac
[<ffffffff81107224>] ? might_fault+0x5c/0xac
[<ffffffff81124b44>] ? __kmalloc+0x13b/0x18c
[<ffffffff81139382>] fiemap_fill_next_extent+0x95/0xda
[<ffffffff811bcb43>] ext4_ext_fiemap_cb+0x138/0x157
[<ffffffff811bca0b>] ? ext4_ext_fiemap_cb+0x0/0x157
[<ffffffff811be069>] ext4_ext_walk_space+0x178/0x1f1
[<ffffffff811be21e>] ext4_fiemap+0x13c/0x159
[<ffffffff81107224>] ? might_fault+0x5c/0xac
[<ffffffff811390e6>] do_vfs_ioctl+0x348/0x4d6
[<ffffffff8129f6d0>] ? __up_read+0x8d/0x95
[<ffffffff81517fb5>] ? retint_swapgs+0x13/0x1b
[<ffffffff811392ca>] sys_ioctl+0x56/0x79
[<ffffffff81028cb2>] system_call_fastpath+0x16/0x1b
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The CONFIG_EXT4_USE_FOR_EXT23 option must not try to take over the
ext2 or ext3 file systems if the those file system drivers are
configured to be built as mdoules.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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This fixes:
ERROR: "jbd2_log_start_commit" [fs/ext4/ext4.ko] undefined!
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The ADT7476 has 5 dedicated pins for VID input, and the +12V input can
optionally be used as a 6th VID pin. Add support for VID input.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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As I've just done a lot of changes to the adt7475 driver, I volunteer
to maintain it for the year to come.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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Add support for the Analog Devices ADT7476 chip. This chip is largely
compatible with the ADT7473 and ADT7475, with additional features.
In particular, it has 5 voltage inputs instead of 2, and VID input
pins.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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It is possible to bypass the voltage attenuators on the +2.5V, Vccp,
+5V and +12V voltage monitoring inputs. This is useful to connect
other voltage channels than the ones the monitoring chip was
originally designed for. When this feature is enabled, we must not
include the scaling factors in our computations.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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Print the device name and revision at probe time, as well as a list of
all optional features which are available.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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The TACH4 pin can be used for other functions, so fan4 may not always
be available. Likewise, the PWM2 pin can be used for ALERT output, in
which case pwm2 is not available
For the ADT7490, the +2.5 Vin pin may also be used for other
functions, in which case in0 is not available.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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Move sysfs files removal to a separate function. The code is common to
the device probing error path and the standard device removal path. As
it will grow with future driver development, this avoids code
duplication.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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Add support for the Analog Devices ADT7490 chip. This chip is largely
compatible with the ADT7473 and ADT7475, with additional features.
In particular, it has 6 voltage inputs instead of 2.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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Check the value of register 0x3f as part of the device detection, to
make it more robust.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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adt7475_attr_group is used internally only and can thus be marked
static.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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Rework the handling of voltage inputs to make it possible and easy to
support more inputs. This will be needed for the upcoming ADT7490
support.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
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