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NeilBrown a64c876fd3 md: manage redundancy group in sysfs when changing level. 
Some levels expect the 'redundancy group' to be present,
others don't.
So when we change level of an array we might need to
add or remove this group.

This requires fixing up the current practice of overloading ->private
to indicate (when ->pers == NULL) that something needs to be removed.
So create a new ->to_remove to fill that role.

When changing levels, we may need to add or remove attributes.  When
changing RAID5 -> RAID6, we both add and remove the same thing.  It is
important to catch this and optimise it out as the removal is delayed
until a lock is released, so trying to add immediately would cause
problems.


Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
 		2010-05-17 14:45:40 +10:00
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accessibility
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acpi Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq 2010-03-07 12:52:38 -08:00
amba
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ata Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev 2010-03-01 13:04:58 -08:00
atm
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auxdisplay
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base PM: Provide generic subsystem-level callbacks 2010-03-06 21:28:37 +01:00
block Merge branch 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block 2010-03-01 09:00:29 -08:00
bluetooth Bluetooth: Convert Marvell driver to use per adapter debugfs 2010-02-27 14:05:38 +01:00
cdrom block: Consolidate phys_segment and hw_segment limits 2010-02-26 13:58:08 +01:00
char Merge git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio-console 2010-03-07 16:04:03 -08:00
clocksource MFGPT: move clocksource menu 2010-03-06 11:26:28 -08:00
connector
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cpufreq
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cpuidle cpuidle menu: remove 8 bytes of padding on 64 bit builds 2010-03-06 11:26:28 -08:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2010-02-26 16:50:02 -08:00
dca
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dio
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dma Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2010-03-07 15:47:19 -08:00
edac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp 2010-03-03 09:25:37 -08:00
eisa eisa: fix coding style for eisa bus code 2010-03-06 11:26:32 -08:00
firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2010-03-03 08:08:44 -08:00
firmware memory-hotplug: create /sys/firmware/memmap entry for new memory 2010-03-06 11:26:25 -08:00
gpio mfd: Fix lpc_sch related depends/selects, fix build error 2010-03-07 22:17:38 +01:00
gpu Revert "lib: build list_sort() only if needed" 2010-03-07 09:54:44 -08:00
hid USB: Push BKL on open down into the drivers 2010-03-02 14:54:23 -08:00
hwmon Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2010-03-06 11:33:09 -08:00
i2c Merge branch 'for-linus/i2c' of git://git.fluff.org/bjdooks/linux 2010-03-07 15:56:25 -08:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6 2010-03-04 08:24:06 -08:00
idle
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ieee1394 block: Rename blk_queue_max_sectors to blk_queue_max_hw_sectors 2010-02-26 13:58:08 +01:00
ieee802154
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infiniband infiniband: use for_each_set_bit() 2010-03-06 11:26:23 -08:00
input input: Support onkey in 88pm860x 2010-03-07 22:17:20 +01:00
isdn Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2010-02-28 19:23:06 -08:00
leds led: Enable led in 88pm860x 2010-03-07 22:17:05 +01:00
lguest
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macintosh Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2010-03-01 10:38:09 -08:00
mca
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md md: manage redundancy group in sysfs when changing level. 2010-05-17 14:45:40 +10:00
media Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2010-03-03 08:48:58 -08:00
memstick block: Consolidate phys_segment and hw_segment limits 2010-02-26 13:58:08 +01:00
message Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-03-02 07:55:08 -08:00
mfd mfd: Fix ucb1x00 build failure for collie_defconfig 2010-03-07 22:17:39 +01:00
misc lkdtm: add debugfs access and loosen KPROBE ties 2010-03-06 11:26:32 -08:00
mmc mfd/mmc: SDHI Kconfig update 2010-03-07 22:17:32 +01:00
mtd Merge git://git.infradead.org/ubi-2.6 2010-03-06 11:30:18 -08:00
net bitops: rename for_each_bit() to for_each_set_bit() 2010-03-06 11:26:23 -08:00
nubus
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of of: move definition of of_chosen into common code. 2010-02-14 07:13:55 -07:00
oprofile
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parisc parisc: remove trailing space in messages 2010-03-06 22:54:09 +00:00
parport serial: 8250_pci: add support for MCS9865 / SYBA 6x Serial Port Card 2010-03-02 14:43:08 -08:00
pci Merge branch 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-03-07 15:59:39 -08:00
pcmcia pcmcia: disable pcmcia ioctl for !ARM, prepare for removal 2010-03-03 08:37:41 +01:00
platform Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 2010-03-03 07:41:24 -08:00
pnp
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power power_supply: Enable power supply of max8925 2010-03-07 22:17:17 +01:00
pps
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ps3 powerpc: Remove trailing space in messages 2010-02-09 13:56:23 +11:00
rapidio
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regulator regulator: Add max8925 support 2010-03-07 22:17:08 +01:00
rtc rtc: Enable rtc in max8925 2010-03-07 22:17:16 +01:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-03-02 07:55:08 -08:00
sbus
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scsi Merge branch 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block 2010-03-01 09:00:29 -08:00
serial Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2010-03-07 15:47:19 -08:00
sfi
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sh sh: Use dummy_irq_chip for INTC redirect vectors. 2010-02-17 12:37:42 +09:00
sn
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spi Merge with mainline to remove plat-omap/Kconfig conflict 2010-03-01 14:19:05 -08:00
ssb ssb: Add PCI ID 0x4322 to PHU handling 2010-02-19 15:52:51 -05:00
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 2010-03-07 15:49:12 -08:00
tc
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telephony
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thermal
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uio
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usb USB: remove unused defintion of struct usb_device_status 2010-03-07 12:51:52 -08:00
uwb
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vhost vhost-net: restart tx poll on sk_sndbuf full 2010-02-28 19:50:33 +02:00
video backlight: Enable max8925 backlight 2010-03-07 22:17:08 +01:00
virtio virtio: set pci bus master enable bit 2010-03-02 13:41:14 +02:00
vlynq
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w1 omap3: Replace ARCH_OMAP34XX with ARCH_OMAP3 2010-02-15 09:27:02 -08:00
watchdog Merge with mainline to remove plat-omap/Kconfig conflict 2010-03-01 14:19:05 -08:00
xen xen: add kconfig menu 2010-03-06 11:26:46 -08:00
zorro
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Kconfig MFGPT: move clocksource menu 2010-03-06 11:26:28 -08:00
Makefile
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