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Christoph Hellwig 2fe17c1075 fallocate should be a file operation 
Currently all filesystems except XFS implement fallocate asynchronously,
while XFS forced a commit.  Both of these are suboptimal - in case of O_SYNC
I/O we really want our allocation on disk, especially for the !KEEP_SIZE
case where we actually grow the file with user-visible zeroes.  On the
other hand always commiting the transaction is a bad idea for fast-path
uses of fallocate like for example in recent Samba versions.   Given
that block allocation is a data plane operation anyway change it from
an inode operation to a file operation so that we have the file structure
available that lets us check for O_SYNC.

This also includes moving the code around for a few of the filesystems,
and remove the already unnedded S_ISDIR checks given that we only wire
up fallocate for regular files.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-01-17 02:25:31 -05:00
..
ABI Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-01-13 20:15:35 -08:00
accounting
acpi
aoe
arm
auxdisplay
blackfin
block
blockdev
cdrom
cgroups revert documentaion update for memcg's dirty ratio. 2011-01-14 07:52:02 -08:00
connector
console
cpu-freq
cpuidle
cris
crypto
development-process
device-mapper dm: raid456 basic support 2011-01-13 20:00:02 +00:00
DocBook Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2011-01-14 13:25:30 -08:00
driver-model
dvb
early-userspace
fault-injection
fb
filesystems fallocate should be a file operation 2011-01-17 02:25:31 -05:00
firmware_class
frv
hwmon hwmon: (dme1737) Add support for in7 for SCH5127 2011-01-12 21:55:13 +01:00
i2c i2c: Add generic I2C multiplexer using GPIO API 2011-01-10 22:11:23 +01:00
i2o
ia64
ide
infiniband
input Input: fix force feedback capability query example 2011-01-11 01:07:55 -08:00
ioctl pps: add kernel consumer support 2011-01-13 08:03:21 -08:00
isdn
ja_JP
kbuild Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6 2011-01-10 08:57:03 -08:00
kdump
ko_KR
kvm Merge branch 'kvm-updates/2.6.38' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-01-13 10:14:24 -08:00
laptops
leds
lguest
m68k
make
mips
misc-devices
mmc
mn10300
mtd
namespaces
netlabel
networking Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-01-13 10:05:56 -08:00
nfc NFC: Driver for NXP Semiconductors PN544 NFC chip. 2011-01-13 08:03:19 -08:00
parisc
PCI
pcmcia
power
powerpc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-01-13 10:05:56 -08:00
pps pps: add parallel port PPS signal generator 2011-01-13 08:03:21 -08:00
prctl
RCU
s390
scheduler
scsi Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-01-13 10:05:56 -08:00
serial pps: timestamp is always passed to dcd_change() 2011-01-13 08:03:20 -08:00
sh
sound Merge branch 'topic/hda' into for-linus 2011-01-13 08:37:19 +01:00
sparc
spi
sysctl sysctl: remove obsolete comments 2011-01-13 08:03:18 -08:00
target [SCSI] target: Add LIO target core v4.0.0-rc6 2011-01-14 10:12:29 -06:00
telephony
thermal thermal: Add event notification to thermal framework 2011-01-12 00:08:35 -05:00
timers
trace Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-01-13 10:05:56 -08:00
uml
usb
video4linux
vm thp: transparent hugepage support documentation 2011-01-13 17:32:38 -08:00
w1 w1: DS2423 counter driver and documentation 2011-01-13 08:03:22 -08:00
watchdog
wimax
x86 x86: support XZ-compressed kernel 2011-01-13 08:03:25 -08:00
zh_CN
.gitignore
00-INDEX
apparmor.txt
applying-patches.txt
atomic_ops.txt
bad_memory.txt
basic_profiling.txt
binfmt_misc.txt
braille-console.txt
bt8xxgpio.txt
btmrvl.txt
BUG-HUNTING
bus-virt-phys-mapping.txt
cachetlb.txt
Changes
circular-buffers.txt
coccinelle.txt
CodingStyle
cpu-hotplug.txt
cpu-load.txt
cputopology.txt
credentials.txt
dcdbas.txt
debugging-modules.txt
debugging-via-ohci1394.txt
dell_rbu.txt
devices.txt
DMA-API-HOWTO.txt
DMA-API.txt
DMA-attributes.txt
DMA-ISA-LPC.txt
dmaengine.txt
dontdiff
dynamic-debug-howto.txt
edac.txt
eisa.txt
email-clients.txt Documentation/email-clients.txt: update Thunderbird docs with wordwrap plugin 2011-01-13 08:03:15 -08:00
feature-removal-schedule.txt Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-01-13 20:15:35 -08:00
flexible-arrays.txt
futex-requeue-pi.txt
gcov.txt
gpio.txt Revert "gpiolib: annotate gpio-intialization with __must_check" 2011-01-13 17:26:46 -08:00
highuid.txt
HOWTO
hw_random.txt
init.txt
initrd.txt
intel_txt.txt
Intel-IOMMU.txt
io_ordering.txt
io-mapping.txt
iostats.txt
IPMI.txt
IRQ-affinity.txt
IRQ.txt
irqflags-tracing.txt
isapnp.txt
java.txt
kernel-doc-nano-HOWTO.txt
kernel-docs.txt
kernel-parameters.txt Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-01-13 20:15:35 -08:00
keys-request-key.txt
keys-trusted-encrypted.txt
keys.txt
kmemcheck.txt
kmemleak.txt
kobject.txt
kprobes.txt
kref.txt
ldm.txt
leds-class.txt
leds-lp3944.txt
local_ops.txt
lockdep-design.txt
lockstat.txt
logo.gif
logo.txt
magic-number.txt take coda-private headers out of include/linux 2011-01-12 20:02:48 -05:00
Makefile
ManagementStyle
mca.txt
md.txt
memory-barriers.txt
memory-hotplug.txt
memory.txt
mono.txt
mutex-design.txt
nmi_watchdog.txt
nommu-mmap.txt
numastat.txt
oops-tracing.txt
padata.txt
parport-lowlevel.txt
parport.txt
pi-futex.txt
pnp.txt
preempt-locking.txt
printk-formats.txt
prio_tree.txt
rbtree.txt
rfkill.txt
robust-futex-ABI.txt
robust-futexes.txt
rt-mutex-design.txt
rt-mutex.txt
rtc.txt
SAK.txt
SecurityBugs
SELinux.txt
serial-console.txt
sgi-ioc4.txt
sgi-visws.txt
SM501.txt
Smack.txt
sparse.txt
spinlocks.txt
stable_api_nonsense.txt
stable_kernel_rules.txt
SubmitChecklist
SubmittingDrivers
SubmittingPatches
svga.txt
sysfs-rules.txt
sysrq.txt
tomoyo.txt
unaligned-memory-access.txt
unicode.txt
unshare.txt
VGA-softcursor.txt
vgaarbiter.txt
video-output.txt
volatile-considered-harmful.txt
workqueue.txt
xz.txt decompressors: add XZ decompressor module 2011-01-13 08:03:24 -08:00
zorro.txt