linux/drivers/mtd/ubi/Kconfig.debug
Sidney Amani 766fb95ba0 UBI: allow direct user-space I/O
Introduce a new ioctl UBI_IOCSETPROP to set properties
on a volume. Also add the first property:
UBI_PROP_DIRECT_WRITE, this property is used to set the
ability to use direct writes in userspace

Signed-off-by: Sidney Amani <seed@uffs.org>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
2009-01-27 16:54:41 +02:00

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comment "UBI debugging options"
depends on MTD_UBI
config MTD_UBI_DEBUG
bool "UBI debugging"
depends on SYSFS
depends on MTD_UBI
select DEBUG_FS
select KALLSYMS_ALL
help
This option enables UBI debugging.
config MTD_UBI_DEBUG_MSG
bool "UBI debugging messages"
depends on MTD_UBI_DEBUG
default n
help
This option enables UBI debugging messages.
config MTD_UBI_DEBUG_PARANOID
bool "Extra self-checks"
default n
depends on MTD_UBI_DEBUG
help
This option enables extra checks in UBI code. Note this slows UBI down
significantly.
config MTD_UBI_DEBUG_DISABLE_BGT
bool "Do not enable the UBI background thread"
depends on MTD_UBI_DEBUG
default n
help
This option switches the background thread off by default. The thread
may be also be enabled/disabled via UBI sysfs.
config MTD_UBI_DEBUG_EMULATE_BITFLIPS
bool "Emulate flash bit-flips"
depends on MTD_UBI_DEBUG
default n
help
This option emulates bit-flips with probability 1/50, which in turn
causes scrubbing. Useful for debugging and stressing UBI.
config MTD_UBI_DEBUG_EMULATE_WRITE_FAILURES
bool "Emulate flash write failures"
depends on MTD_UBI_DEBUG
default n
help
This option emulates write failures with probability 1/100. Useful for
debugging and testing how UBI handlines errors.
config MTD_UBI_DEBUG_EMULATE_ERASE_FAILURES
bool "Emulate flash erase failures"
depends on MTD_UBI_DEBUG
default n
help
This option emulates erase failures with probability 1/100. Useful for
debugging and testing how UBI handlines errors.
menu "Additional UBI debugging messages"
depends on MTD_UBI_DEBUG
config MTD_UBI_DEBUG_MSG_BLD
bool "Additional UBI initialization and build messages"
default n
depends on MTD_UBI_DEBUG
help
This option enables detailed UBI initialization and device build
debugging messages.
config MTD_UBI_DEBUG_MSG_EBA
bool "Eraseblock association unit messages"
default n
depends on MTD_UBI_DEBUG
help
This option enables debugging messages from the UBI eraseblock
association unit.
config MTD_UBI_DEBUG_MSG_WL
bool "Wear-leveling unit messages"
default n
depends on MTD_UBI_DEBUG
help
This option enables debugging messages from the UBI wear-leveling
unit.
config MTD_UBI_DEBUG_MSG_IO
bool "Input/output unit messages"
default n
depends on MTD_UBI_DEBUG
help
This option enables debugging messages from the UBI input/output unit.
endmenu # UBI debugging messages