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linux/Documentation
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Christoph Hellwig fb7e160019 fs: add an iopoll method to struct file_operations 
This new methods is used to explicitly poll for I/O completion for an
iocb.  It must be called for any iocb submitted asynchronously (that
is with a non-null ki_complete) which has the IOCB_HIPRI flag set.

The method is assisted by a new ki_cookie field in struct iocb to store
the polling cookie.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-02-24 08:20:17 -07:00
..
ABI
Documentation/ABI: Correct mlxreg-io KernelVersion for 5.0
2019-01-26 11:30:26 -08:00
accelerators
ocxl: Document new OCXL IOCTLs
2018-06-03 20:40:33 +10:00
accounting
psi: cgroup support
2018-10-26 16:26:32 -07:00
acpi
ACPI: property: graph: Update graph documentation to use generic references
2018-07-23 12:44:52 +02:00
admin-guide
iommu/vt-d: Leave scalable mode default off
2019-01-30 17:23:58 +01:00
aoe
…
arm
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
arm64
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2018-12-25 17:41:56 -08:00
auxdisplay
Doc: misc-devices: move lcd-panel-cgram.txt to auxdisplay/
2018-04-12 16:08:02 +02:00
backlight
…
block
block: document usage of bio iterator helpers
2019-02-15 08:40:12 -07:00
blockdev
zram: idle writeback fixes and cleanup
2019-01-08 17:15:10 -08:00
bpf
bpf, doc: update design qa to reflect kern_version requirement
2019-01-07 15:52:00 -08:00
bus-devices
…
cdrom
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
cgroup-v1
Merge branch 'for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2018-10-25 17:15:46 -07:00
cma
…
connector
samples: connector: from Documentation to samples directory
2016-04-28 07:47:35 -06:00
console
Documentation: corrections to console/console.txt
2018-08-10 16:09:40 -06:00
core-api
XArray: Honour reserved entries in xa_insert
2019-01-06 22:12:58 -05:00
cpu-freq
Documentation: cpu-freq: Frequencies aren't always sorted
2018-11-07 13:29:04 +01:00
cpuidle
Documentation: admin-guide: PM: Add cpuidle document
2018-12-03 10:03:36 +01:00
crypto
crypto: skcipher - remove remnants of internal IV generators
2018-12-23 11:52:45 +08:00
dev-tools
Merge tag 'docs-5.0' of git://git.lwn.net/linux
2018-12-29 11:21:49 -08:00
device-mapper
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
devicetree
Merge tag 'devicetree-fixes-for-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2019-02-02 10:34:32 -08:00
doc-guide
doc:process: add links where missing
2018-12-06 10:21:19 -07:00
driver-api
Merge tag 'pci-v4.21-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2019-01-05 17:57:34 -08:00
driver-model
Documentation: driver core: remove use of BUS_ATTR
2019-01-08 15:17:45 +01:00
early-userspace
Correct gen_init_cpio tool's documentation
2018-11-25 12:25:53 -07:00
EDID
Docs/EDID: Calculate CRC while building the code
2018-11-06 07:36:22 -07:00
extcon
extcon: Remove porting compatibility of swich class
2017-04-06 10:55:24 +09:00
fault-injection
Documentation: nvme: Documentation for nvme fault injection
2018-03-26 08:53:43 -06:00
fb
fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line option
2019-01-16 17:42:35 +01:00
features
Documentation/features: Add csky kernel features
2019-01-07 22:22:16 +08:00
filesystems
fs: add an iopoll method to struct file_operations
2019-02-24 08:20:17 -07:00
firmware_class
firmware: revamp firmware documentation
2017-01-11 09:42:59 +01:00
fmc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
fpga
docs: fpga: add a document for FPGA Device Feature List (DFL) Framework Overview
2018-07-15 13:55:44 +02:00
gpio
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
gpu
Merge tag 'docs-5.0' of git://git.lwn.net/linux
2018-12-29 11:21:49 -08:00
hid
HID: doc: fix wrong data structure reference for UHID_OUTPUT
2018-12-18 14:55:22 +01:00
hwmon
hwmon: Introduce SENSOR_DEVICE_ATTR_{RO, RW, WO} and variants
2018-12-16 15:13:22 -08:00
i2c
i2c: add i2c bus driver for NVIDIA GPU
2018-11-09 17:46:43 +01:00
ia64
ia64: doc: tweak whitespace for 'console=' parameter
2018-03-05 14:41:38 -08:00
ide
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
iio
iio: adc: New driver for Cirrus Logic EP93xx ADC
2017-07-25 19:56:23 +01:00
infiniband
Documentation/ABI: update infiniband sysfs interfaces
2018-02-23 08:18:33 -07:00
input
Input: add REL_WHEEL_HI_RES and REL_HWHEEL_HI_RES
2018-12-07 16:27:11 +01:00
ioctl
seccomp: add a return code to trap to userspace
2018-12-11 16:28:41 -08:00
isdn
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
kbuild
kbuild: generate asm-generic wrappers if mandatory headers are missing
2019-01-06 09:46:51 +09:00
kdump
kexec/kdump: minor Documentation updates for arm64 and Image
2017-07-12 16:26:00 -07:00
kernel-hacking
doc:it_IT: translation for kernel-hacking
2018-07-26 16:21:09 -06:00
laptops
Merge tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86
2018-11-01 08:42:21 -07:00
leds
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
lightnvm
lightnvm: physical block device (pblk) target
2017-04-16 10:06:33 -06:00
livepatch
livepatch: Remove not longer valid limitations from the documentation
2018-05-24 15:37:57 +02:00
locking
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
m68k
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
maintainer
docs: Fix more broken references
2018-06-15 18:11:26 -03:00
md
raid5-ppl: PPL support for disks with write-back cache enabled
2018-01-15 14:29:42 -08:00
media
Merge tag 'docs-5.0' of git://git.lwn.net/linux
2018-12-29 11:21:49 -08:00
memory-devices
…
mic
samples: move mic/mpssd example code from Documentation
2016-09-20 12:38:48 -06:00
mips
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
misc-devices
pci_endpoint_test: Add 2 ioctl commands
2018-07-19 11:46:57 +01:00
mmc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
mtd
Documentation: mtd: remove stale pxa3xx NAND controller documentation
2018-09-04 23:37:38 +02:00
namespaces
…
netlabel
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
networking
doc: net: fix bad references to network drivers
2019-01-18 11:03:31 -08:00
nfc
…
nios2
…
nvdimm
libnvdimm/security: Add documentation for nvdimm security support
2018-12-21 12:44:41 -08:00
nvmem
Documentation: nvmem: document cell tables and lookup entries
2018-09-28 15:14:54 +02:00
openrisc
Documentation: openrisc: Updates to README
2017-10-30 21:37:53 +09:00
parisc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
PCI
Merge tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2018-10-25 06:50:48 -07:00
pcmcia
pcmcia: remove long deprecated pcmcia_request_exclusive_irq() function
2018-08-18 12:30:42 -07:00
perf
Documentation: perf: Add documentation for ThunderX2 PMU uncore driver
2018-12-06 12:29:47 +00:00
phy
…
platform
…
power
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
powerpc
powerpc/fadump: Reservationless firmware assisted dump
2018-12-21 11:32:49 +11:00
pps
drivers/pps: aesthetic tweaks to PPS-related content
2017-09-08 18:26:51 -07:00
process
docs: fix Co-Developed-by docs
2019-01-04 13:13:48 -08:00
pti
…
ptp
ptp: Fix documentation to match code.
2018-03-26 12:13:21 -04:00
rapidio
Documentation: rapidio: move sysfs interface to ABI
2018-02-23 08:25:45 -07:00
RCU
doc: Fix "struction" typo in RCU memory-ordering documentation
2018-11-12 08:56:25 -08:00
riscv
perf: riscv: Add Document for Future Porting Guide
2018-06-04 14:02:11 -07:00
s390
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
scheduler
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
scsi
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2018-12-28 14:48:06 -08:00
security
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-01-02 09:43:14 -08:00
serial
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
sh
sh: remove board_time_init() callback
2018-12-18 16:13:04 +01:00
sound
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
sparc
sparc64: Add support for ADI (Application Data Integrity)
2018-03-18 07:38:48 -07:00
sphinx
Documentation/sphinx: allow "functions" with no parameters
2018-06-30 07:52:42 -06:00
sphinx-static
docs: improve readability for people with poorer eyesight
2018-10-07 09:16:50 -06:00
spi
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
sysctl
fs/dcache: Track & report number of negative dentries
2019-01-30 11:02:11 -08:00
target
Documentation/target: add an example script to configure an iSCSI target
2017-05-01 22:21:35 -07:00
thermal
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
timers
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
trace
Merge branches 'pm-cpuidle', 'pm-cpufreq' and 'pm-sleep'
2019-01-11 10:09:51 +01:00
translations
doc🇮🇹 add some process/* translations
2018-12-06 10:11:40 -07:00
usb
Documentation/usb: Fix typo
2018-11-26 16:56:34 +01:00
userspace-api
Merge branch 'next-seccomp' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-01-02 09:48:13 -08:00
virtual
Documentation/virtual/kvm: Update URL for AMD SEV API specification
2019-01-11 18:38:07 +01:00
vm
Merge tag 'docs-5.0' of git://git.lwn.net/linux
2018-12-29 11:21:49 -08:00
w1
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
watchdog
watchdog: docs: kernel-api: don't reference removed functions
2018-12-24 13:15:06 +01:00
wimax
…
x86
x86/resctrl: Avoid confusion over the new X86_RESCTRL config
2019-02-02 10:34:52 +01:00
xilinx
Documentation: xilinx: Add documentation for eemi APIs
2018-10-09 13:26:05 +02:00
xtensa
xtensa: add support for KASAN
2017-12-16 22:37:12 -08:00
.gitignore
Add .pyc files to .gitignore
2016-06-30 13:07:33 -06:00
atomic_bitops.txt
locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit()
2018-02-13 14:55:53 +01:00
atomic_t.txt
Documentation/locking/atomic: Finish the document...
2017-08-25 11:06:33 +02:00
bt8xxgpio.txt
bt8xxgpio.txt: standardize document format
2017-07-14 13:51:27 -06:00
btmrvl.txt
btmrvl.txt: standardize document format
2017-07-14 13:51:27 -06:00
bus-virt-phys-mapping.txt
bus-virt-phys-mapping.txt: standardize document format
2017-07-14 13:51:28 -06:00
Changes
docs: add back 'Documentation/Changes' file (as symlink)
2016-12-14 16:30:12 -08:00
clearing-warn-once.txt
kernel debug: support resetting WARN*_ONCE
2017-11-17 16:10:00 -08:00
CodingStyle
doc: re-add CodingStyle and SubmittingPatches
2016-10-24 08:12:35 -02:00
conf.py
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
cpu-load.txt
cpu-load: standardize document format
2017-07-14 13:51:30 -06:00
cputopology.txt
cputopology.txt: standardize document format
2017-07-14 13:51:30 -06:00
crc32.txt
crc32.txt: standardize document format
2017-07-14 13:51:30 -06:00
dcdbas.txt
dcdbas.txt: standardize document format
2017-07-14 13:51:31 -06:00
debugging-modules.txt
…
debugging-via-ohci1394.txt
debugging-via-ohci1394.txt: standardize document format
2017-07-14 13:51:34 -06:00
dell_rbu.txt
Documentation: remove stale firmware API reference
2018-05-14 16:44:41 +02:00
digsig.txt
digsig.txt: standardize document format
2017-07-14 13:51:31 -06:00
DMA-API-HOWTO.txt
DMA-API-HOWTO.txt: standardize document format
2017-07-14 13:51:32 -06:00
DMA-API.txt
dma-mapping: deprecate dma_zalloc_coherent
2018-12-20 08:14:09 +01:00
DMA-attributes.txt
DMA-attributes.txt: standardize document format
2017-07-14 13:51:33 -06:00
DMA-ISA-LPC.txt
DMA-ISA-LPC.txt: standardize document format
2017-07-14 13:51:33 -06:00
docutils.conf
doc-rst: add docutils config file
2016-08-14 11:52:40 -06:00
dontdiff
Remove gperf usage from toolchain
2017-08-19 11:02:53 -07:00
efi-stub.txt
efi_stub: update documentation on dtb= parameter
2018-09-09 14:46:44 -06:00
eisa.txt
eisa.txt: standardize document format
2017-07-14 13:51:34 -06:00
flexible-arrays.txt
flexible-arrays.txt: standardize document format
2017-07-14 13:51:35 -06:00
futex-requeue-pi.txt
futex-requeue-pi.txt: standardize document format
2017-07-14 13:51:35 -06:00
gcc-plugins.txt
gcc-plugins.txt: standardize document format
2017-07-14 13:51:36 -06:00
highuid.txt
highuid.txt: standardize document format
2017-07-14 13:51:36 -06:00
hw_random.txt
hw_random.txt: standardize document format
2017-07-14 13:51:37 -06:00
hwspinlock.txt
hwspinlock.txt: standardize document format
2017-07-14 13:51:37 -06:00
index.rst
docs: tidy up TOCs and refs to license-rules.rst
2018-08-31 16:50:50 -06:00
intel_txt.txt
intel_txt.txt: standardize document format
2017-07-14 13:51:38 -06:00
Intel-IOMMU.txt
Intel-IOMMU.txt: standardize document format
2017-07-14 13:51:38 -06:00
io_ordering.txt
io_ordering.txt: standardize document format
2017-07-14 13:51:39 -06:00
io-mapping.txt
io-mapping.txt: standardize document format
2017-07-14 13:51:38 -06:00
iostats.txt
block: Track DISCARD statistics and output them in stat and diskstat
2018-07-18 08:44:22 -06:00
IPMI.txt
ipmi: Make IPMI panic strings always available
2017-09-27 16:03:45 -05:00
IRQ-affinity.txt
IRQ-affinity.txt: standardize document format
2017-07-14 13:51:41 -06:00
IRQ-domain.txt
irqdomain: Kill CONFIG_IRQ_DOMAIN_DEBUG
2018-01-24 12:32:58 +01:00
IRQ.txt
IRQ.txt: add a markup for its title
2017-07-14 13:51:42 -06:00
irqflags-tracing.txt
irqflags-tracing.txt: standardize document format
2017-07-14 13:51:42 -06:00
isa.txt
isa.txt: standardize document format
2017-07-14 13:51:43 -06:00
isapnp.txt
isapnp.txt: promote title level
2017-07-14 13:51:43 -06:00
kernel-per-CPU-kthreads.txt
doc: Update removal of RCU-bh/sched update machinery
2018-08-30 10:59:48 -07:00
kobject.txt
kref/kobject: Improve documentation
2018-12-06 13:57:03 +01:00
kprobes.txt
kprobes/Documentation: Fix various typos
2018-06-22 11:10:55 +02:00
kref.txt
kref.txt: standardize document format
2017-07-14 13:51:45 -06:00
ldm.txt
ldm.txt: standardize document format
2017-07-14 13:51:45 -06:00
lockup-watchdogs.txt
lockup-watchdogs.txt: standardize document format
2017-07-14 13:51:46 -06:00
logo.gif
…
logo.txt
…
lsm.txt
docs-rst: convert lsm from DocBook to ReST
2017-05-16 08:44:19 -03:00
lzo.txt
lzo.txt: standardize document format
2017-07-14 13:51:46 -06:00
mailbox.txt
mailbox.txt: standardize document format
2017-07-14 13:51:47 -06:00
Makefile
kbuild: Add support for DT binding schema checks
2018-12-13 09:41:32 -06:00
memory-barriers.txt
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
men-chameleon-bus.txt
men-chameleon-bus.txt: standardize document format
2017-07-14 13:57:54 -06:00
nommu-mmap.txt
Documentation: nommu-map: Fix duplicate word typo
2018-06-26 09:01:27 -06:00
ntb.txt
Merge tag 'standardize-docs' of git://git.lwn.net/linux
2017-07-15 12:58:58 -07:00
numastat.txt
numastat.txt: standardize document format
2017-07-14 13:57:56 -06:00
padata.txt
padata.txt: standardize document format
2017-07-14 13:57:56 -06:00
parport-lowlevel.txt
parport-lowlevel.txt: standardize document format
2017-07-14 13:57:57 -06:00
percpu-rw-semaphore.txt
percpu-rw-semaphore.txt: standardize document format
2017-07-14 13:57:58 -06:00
phy.txt
phy.txt: standardize document format
2017-07-14 13:57:58 -06:00
pi-futex.txt
Documentation: fix locking rt-mutex doc refs
2017-10-19 12:56:44 -06:00
pnp.txt
pnp.txt: standardize document format
2017-07-14 13:57:59 -06:00
preempt-locking.txt
Documentation: preempt-locking: Use better example
2018-10-12 11:35:47 -06:00
pwm.txt
pwm: Standardize document format
2017-07-06 08:23:30 +02:00
rbtree.txt
rbtree: cache leftmost node internally
2017-09-08 18:26:48 -07:00
remoteproc.txt
remoteproc.txt: standardize document format
2017-07-14 13:58:02 -06:00
rfkill.txt
rfkill: Fix several typos in documentation
2018-06-15 13:36:08 +02:00
robust-futex-ABI.txt
robust-futex-ABI.txt: standardize document format
2017-07-14 13:58:03 -06:00
robust-futexes.txt
robust-futexes.txt: standardize document format
2017-07-14 13:58:03 -06:00
rpmsg.txt
rpmsg.txt: standardize document format
2017-07-14 13:58:04 -06:00
rtc.txt
Documentation: rtc: move iotcl interface documentation to ABI
2018-01-12 00:20:41 +01:00
SAK.txt
SAK.txt: standardize document format
2017-07-14 13:58:04 -06:00
sgi-ioc4.txt
sgi-ioc4.txt: standardize document format
2017-07-14 13:58:05 -06:00
siphash.txt
siphash.txt: standardize document format
2017-07-14 13:58:06 -06:00
SM501.txt
SM501.txt: standardize document format
2017-07-14 13:58:06 -06:00
smsc_ece1099.txt
smsc_ece1099.txt: standardize document format
2017-07-14 13:58:07 -06:00
speculation.txt
Documentation: Document array_index_nospec
2018-01-30 21:54:28 +01:00
static-keys.txt
Documentation: Use "while" instead of "whilst"
2018-11-20 09:30:43 -07:00
SubmittingPatches
doc: re-add CodingStyle and SubmittingPatches
2016-10-24 08:12:35 -02:00
svga.txt
documentation/svga.txt: update outdated file
2017-11-20 10:45:50 -07:00
switchtec.txt
NTB: switchtec_ntb: Update switchtec documentation with prerequisites for NTB
2018-10-11 11:28:53 -05:00
sync_file.txt
sync_file.txt: standardize document format
2017-05-24 13:01:27 -03:00
tee.txt
tee.txt: standardize document format
2017-07-14 13:58:14 -06:00
this_cpu_ops.txt
this_cpu_ops.txt: standardize document format
2017-07-14 13:58:08 -06:00
unaligned-memory-access.txt
unaligned-memory-access.txt: standardize document format
2017-07-14 13:58:09 -06:00
vfio-mediated-device.txt
vfio/mdev: Check globally for duplicate devices
2018-06-08 10:24:27 -06:00
vfio.txt
vfio: fix documentation
2018-05-08 09:16:41 -06:00
video-output.txt
…
xillybus.txt
xillybus.txt: standardize document format
2017-07-14 13:58:11 -06:00
xz.txt
xz.txt: standardize document format
2017-07-14 13:58:11 -06:00
zorro.txt
zorro.txt: standardize document format
2017-07-14 13:58:12 -06:00