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NeilBrown ca64cae960 md/raid5: Make sure we clear R5_Discard when discard is finished. 
commit 9e44476851
    MD: raid5 avoid unnecessary zero page for trim

change raid5 to clear R5_Discard when the complete request is
handled rather than when submitting the per-device discard request.
However it did not clear R5_Discard for the parity device.

This means that if the stripe_head was reused before it expired from
the cache, the setting would be wrong and a hang would result.

Also if the R5_Uptodate bit happens to be set, R5_Discard again
won't be cleared.  But R5_Uptodate really should be clear at this point.

So make sure R5_Discard is cleared in all cases, and clear
R5_Uptodate when a 'discard' completes.

Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 09:14:13 +11:00
..
accessibility
acpi Merge branches 'fixes-for-37', 'ec' and 'thermal' into release 2012-10-09 01:47:35 -04:00
amba
ata Merge branch 'samsung_platform_data' into staging/for_v3.7 2012-10-05 22:32:05 -03:00
atm sections: fix section conflicts in drivers/atm 2012-10-06 03:04:40 +09:00
auxdisplay
base memory-hotplug: update memory block's state and notify userspace 2012-10-09 16:23:02 +09:00
bcma
block Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block 2012-10-11 09:04:23 +09:00
bluetooth
bus
cdrom
char Merge branch 'tpmdd-next-v3.6' of git://github.com/shpedoikal/linux into for-linus 2012-10-11 18:41:29 +08:00
clk
clocksource
connector
cpufreq cpufreq: OMAP: use get_cpu_device() instead of omap_device API 2012-10-08 14:58:56 -07:00
cpuidle ACPI idle, CPU hotplug: Fix NULL pointer dereference during hotplug 2012-10-08 22:52:54 -04:00
crypto ARM: soc: late platform updates 2012-10-07 20:55:16 +09:00
dca
devfreq
dio
dma Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
edac Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
eisa
extcon
firewire firewire: cdev: fix user memory corruption (i386 userland on amd64 kernel) 2012-10-09 18:26:28 +02:00
firmware
gpio Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2012-10-09 16:08:04 +09:00
gpu fbdev updates for 3.7 2012-10-12 10:21:02 +09:00
hid Merge branch 'next' into for-linus 2012-10-11 00:45:21 -07:00
hsi
hv
hwmon Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-10-13 11:27:59 +09:00
hwspinlock
i2c Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux 2012-10-11 10:27:51 +09:00
ide sections: fix section conflicts in drivers/ide 2012-10-06 03:04:41 +09:00
idle
iio
infiniband Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2012-10-10 19:52:19 +09:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2012-10-13 10:56:03 +09:00
iommu IOMMU Updates for Linux v3.7-rc1 2012-10-08 06:33:44 +09:00
irqchip
isdn isdn: fix a wrapping bug in isdn_ppp_ioctl() 2012-10-10 22:50:45 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2012-10-10 20:14:07 +09:00
lguest Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
md md/raid5: Make sure we clear R5_Discard when discard is finished. 2012-11-22 09:14:13 +11:00
media Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 2012-10-12 12:39:17 +09:00
memory
memstick
message
mfd 1. New drivers: 2012-10-07 17:29:24 +09:00
misc pwm: Changes for v3.7-rc1 2012-10-10 20:15:24 +09:00
mmc mmc: mxs-mmc: Fix merge issue causing build error 2012-10-11 17:21:40 -04:00
mtd mtd: Disable mtdchar mmap on MMU systems 2012-10-09 15:08:42 +01:00
net mcs7830: Fix link state detection 2012-10-12 13:56:52 -04:00
nfc
nubus
of Devicetree updates for 3.7 2012-10-03 09:44:08 -07:00
oprofile mm: use mm->exe_file instead of first VM_EXECUTABLE vma->vm_file 2012-10-09 16:22:18 +09:00
parisc
parport Xtensa patchset for 3.7 2012-10-09 16:11:46 +09:00
pci Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
pcmcia
pinctrl pinctrl/nomadik: use simple or linear IRQ domain 2012-10-10 08:57:26 +02:00
platform Merge branches 'fixes-for-37', 'ec' and 'thermal' into release 2012-10-09 01:47:35 -04:00
pnp
power Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-10-13 11:27:59 +09:00
pps idr: rename MAX_LEVEL to MAX_IDR_LEVEL 2012-10-06 03:04:56 +09:00
ps3
ptp
pwm pwm: Changes for v3.7-rc1 2012-10-10 20:15:24 +09:00
rapidio rapidio: update for destination ID allocation 2012-10-11 08:50:15 +09:00
regulator MFD bits for the 3.7 merge window. 2012-10-05 12:01:30 +09:00
remoteproc Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
rpmsg Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
rtc rtc: kconfig: fix RTC_INTF defaults connected to RTC_CLASS 2012-10-11 08:50:16 +09:00
s390 s390/zcrypt: remove duplicated include from zcrypt_pcixcc.c 2012-10-09 14:17:00 +02:00
sbus
scsi SCSI misc on 20121012 2012-10-13 10:57:01 +09:00
sfi
sh
sn
spi Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
ssb
staging Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-10-13 11:27:59 +09:00
target Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block 2012-10-11 09:04:23 +09:00
tc
thermal Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux into thermal 2012-10-09 01:35:52 -04:00
tty KGDB/KDB fixes and cleanups 2012-10-13 11:16:58 +09:00
uio mm: kill vma flag VM_RESERVED and mm->reserved_vm counter 2012-10-09 16:22:19 +09:00
usb Add CDC-ACM support for the CX93010-2x UCMxx USB Modem 2012-10-11 15:18:49 -04:00
uwb
vfio vfio: Fix PCI INTx disable consistency 2012-10-10 09:10:32 -06:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2012-10-10 19:52:19 +09:00
video fbdev updates for 3.7 2012-10-12 10:21:02 +09:00
virt
virtio
vlynq
vme
w1
watchdog Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2012-10-07 21:06:10 +09:00
xen Feature: 2012-10-12 22:20:28 +09:00
zorro
Kconfig
Makefile