Artem Bityutskiy 5fc01ab693 UBI: preserve corrupted PEBs ... Currently UBI erases all corrupted eraseblocks, irrespectively of the nature of corruption: corruption due to power cuts and non-power cut corruption. The former case is OK, but the latter is not, because UBI may destroy potentially important data. With this patch, during scanning, when UBI hits a PEB with corrupted VID header, it checks whether this PEB contains only 0xFF data. If yes, it is safe to erase this PEB and it is put to the 'erase' list. If not, this may be important data and it is better to avoid erasing this PEB. Instead, UBI puts it to the corr list and moves out of the pool of available PEB. IOW, UBI preserves this PEB. Such corrupted PEB lessen the amount of available PEBs. So the more of them we accumulate, the less PEBs are available. The maximum amount of non-power cut corrupted PEBs is 8. This patch is a response to UBIFS problem where reporter (Matthew L. Creech <mlcreech@gmail.com>) observes that UBIFS index points to an unmapped LEB. The theory is that corresponding PEB somehow got corrupted and UBI wiped it. This patch (actually a series of patches) tries to make sure such PEBs are preserved - this would make it is easier to analyze the corruption. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>		2010-10-19 17:19:57 +03:00
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accessibility	…
acpi	Merge branch 'msi-dmi' into release	2010-10-08 22:37:46 -04:00
amba	…
ata	ahci: fix module refcount breakage introduced by libahci split	2010-09-28 15:14:51 -04:00
atm	ATM: iphase, remove sleep-inside-atomic	2010-10-11 11:05:42 -07:00
auxdisplay	…
base	PM: Prevent waiting forever on asynchronous resume after failing suspend	2010-09-09 00:49:43 +02:00
block	virtio-blk: fix request leak.	2010-10-09 11:42:37 -07:00
bluetooth	Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6	2010-08-06 12:25:06 -07:00
cdrom	block: push down BKL into .open and .release	2010-08-07 18:25:34 +02:00
char	ipmi: fix hardcoded ipmi device exit path warning	2010-09-22 17:22:40 -07:00
clocksource	…
connector	…
cpufreq	[CPUFREQ] fix brace coding style issue.	2010-08-03 13:47:05 -04:00
cpuidle	cpuidle: Fix typos	2010-09-28 23:30:38 -04:00
crypto	[S390] zcrypt: fix Kconfig dependencies	2010-08-13 10:06:54 +02:00
dca	dca: disable dca on IOAT ver.3.0 multiple-IOH platforms	2010-09-17 20:08:21 -07:00
dio	…
dma	ioat2: fix performance regression	2010-10-13 15:43:10 -07:00
edac	i7core_edac: fix panic in udimm sysfs attributes registration	2010-10-01 10:50:58 -07:00
eisa	…
firewire	firewire: ohci: activate cycle timer register quirk on Ricoh chips	2010-09-08 21:25:55 +02:00
firmware	Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	2010-08-14 12:34:34 -07:00
gpio	gpio: sx150x: correct and refine reset-on-probe behavior	2010-09-09 18:57:24 -07:00
gpu	drm/radeon/kms: Silent spurious error message	2010-10-12 20:18:07 +10:00
hid	HID: fix hiddev's use of usb_find_interface	2010-09-14 10:58:42 +02:00
hwmon	hwmon: f71882fg: use a muxed resource lock for the Super I/O port	2010-10-03 05:57:04 -07:00
i2c	Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging	2010-10-07 13:44:30 -07:00
ide	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6	2010-09-19 11:06:34 -07:00
idle	intel_idle: enable Atom C6	2010-10-08 22:16:27 -04:00
ieee1394	ieee1394: Adjust confusing if indentation	2010-08-05 23:26:30 +02:00
ieee802154	…
infiniband	RDMA/cxgb3: Turn off RX coalescing for iWARP connections	2010-09-27 09:28:55 -07:00
input	Input: wacom - fix pressure in Cintiq 21UX2	2010-10-10 14:16:09 -07:00
isdn	isdn: strcpy() => strlcpy()	2010-10-08 10:21:22 -07:00
leds	leds: leds-ns2: fix locking	2010-09-19 22:43:42 -04:00
lguest	…
macintosh	via-pmu: Add compat_pmu_ioctl	2010-08-24 15:28:28 +10:00
mca	…
md	md: check return code of read_sb_page	2010-10-07 12:02:50 +11:00
media	V4L/DVB: v4l: radio: si470x: fix unneeded free_irq() call	2010-09-30 07:22:41 -03:00
memstick	memstick: fix hangs on unexpected device removal in mspro_blk	2010-08-12 08:43:31 -07:00
message	fusion: add function parameter names to kernel-doc	2010-08-14 16:21:00 -07:00
mfd	mfd: Fix max8925 irq control bit incorrect setting	2010-09-29 10:14:53 +02:00
misc	i2c: Remove obsolete cleanup for clientdata	2010-09-30 14:14:22 +02:00
mmc	mmc: sdhci-s3c: fix NULL ptr access in sdhci_s3c_remove	2010-09-26 16:27:05 -04:00
mtd	UBI: preserve corrupted PEBs	2010-10-19 17:19:57 +03:00
net	ehea: Fix a checksum issue on the receive path	2010-10-13 14:24:59 -07:00
nubus	…
of	of/device: Replace struct of_device with struct platform_device	2010-08-06 09:25:50 -06:00
oprofile	oprofile: fix crash when accessing freed task structs	2010-08-25 09:09:09 +02:00
parisc	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2010-08-04 15:31:02 -07:00
parport	Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6	2010-08-12 09:11:31 -07:00
pci	Merge branch 'meego-7093' into idle-release	2010-09-28 23:30:58 -04:00
pcmcia	pcmcia: pd6729: Fix error path	2010-09-26 15:54:25 +02:00
platform	IPS driver: Fix limit clamping when reducing CPU power	2010-10-05 14:59:35 -04:00
pnp	…
power	apm_power: Add missing break statement	2010-09-08 14:35:10 +04:00
pps	…
ps3	…
rapidio	…
regulator	Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging	2010-10-07 13:44:30 -07:00
rtc	i2c: Remove obsolete cleanup for clientdata	2010-09-30 14:14:22 +02:00
s390	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2010-09-28 12:01:26 -07:00
sbus	of/device: Replace struct of_device with struct platform_device	2010-08-06 09:25:50 -06:00
scsi	[SCSI] fix use-after-free in scsi_init_io()	2010-09-09 09:58:18 -05:00
serial	drivers/serial/mrst_max3110.c needs linux/irq.h	2010-10-01 10:50:58 -07:00
sfi	…
sh	sh: add a reparent function to DIV6 clocks	2010-08-04 16:12:01 +09:00
sn	…
spi	of/spi: Fix OF-style driver binding of spi devices	2010-10-02 21:28:29 -06:00
ssb	Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6	2010-08-06 12:25:06 -07:00
staging	Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6	2010-10-07 13:45:00 -07:00
tc	…
telephony	pcmcia: do not use io_req_t when calling pcmcia_request_io()	2010-08-03 09:04:11 +02:00
thermal	…
uio	uio: Remove IRQF_DISABLED flag from uio_cif.c	2010-08-05 13:53:33 -07:00
usb	USB: update Kconfig help text for CONFIG_USB_SUSPEND	2010-09-24 11:05:01 -07:00
uwb	…
vhost	vhost: fix log ctx signalling	2010-09-22 16:21:33 +02:00
video	Merge master.kernel.org:/home/rmk/linux-2.6-arm	2010-09-27 12:32:36 -07:00
virtio	…
vlynq	…
w1	…
watchdog	watchdog: Enable NXP LPC32XX support in Kconfig (resend)	2010-09-15 18:43:58 +00:00
xen	xen: do not set xenstored_ready before xenbus_probe on hvm	2010-10-05 13:37:28 +01:00
zorro	zorro: Fix reading of proc/bus/zorro/* in small chunks	2010-08-09 21:14:08 +02:00
Kconfig	…
Makefile	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6	2010-09-17 10:23:08 -07:00