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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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766fb95ba0
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>
94 lines
2.4 KiB
Text
94 lines
2.4 KiB
Text
comment "UBI debugging options"
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depends on MTD_UBI
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config MTD_UBI_DEBUG
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bool "UBI debugging"
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depends on SYSFS
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depends on MTD_UBI
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select DEBUG_FS
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select KALLSYMS_ALL
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help
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This option enables UBI debugging.
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config MTD_UBI_DEBUG_MSG
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bool "UBI debugging messages"
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depends on MTD_UBI_DEBUG
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default n
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help
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This option enables UBI debugging messages.
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config MTD_UBI_DEBUG_PARANOID
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bool "Extra self-checks"
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default n
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depends on MTD_UBI_DEBUG
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help
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This option enables extra checks in UBI code. Note this slows UBI down
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significantly.
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config MTD_UBI_DEBUG_DISABLE_BGT
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bool "Do not enable the UBI background thread"
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depends on MTD_UBI_DEBUG
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default n
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help
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This option switches the background thread off by default. The thread
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may be also be enabled/disabled via UBI sysfs.
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config MTD_UBI_DEBUG_EMULATE_BITFLIPS
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bool "Emulate flash bit-flips"
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depends on MTD_UBI_DEBUG
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default n
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help
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This option emulates bit-flips with probability 1/50, which in turn
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causes scrubbing. Useful for debugging and stressing UBI.
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config MTD_UBI_DEBUG_EMULATE_WRITE_FAILURES
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bool "Emulate flash write failures"
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depends on MTD_UBI_DEBUG
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default n
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help
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This option emulates write failures with probability 1/100. Useful for
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debugging and testing how UBI handlines errors.
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config MTD_UBI_DEBUG_EMULATE_ERASE_FAILURES
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bool "Emulate flash erase failures"
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depends on MTD_UBI_DEBUG
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default n
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help
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This option emulates erase failures with probability 1/100. Useful for
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debugging and testing how UBI handlines errors.
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menu "Additional UBI debugging messages"
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depends on MTD_UBI_DEBUG
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config MTD_UBI_DEBUG_MSG_BLD
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bool "Additional UBI initialization and build messages"
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default n
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depends on MTD_UBI_DEBUG
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help
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This option enables detailed UBI initialization and device build
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debugging messages.
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config MTD_UBI_DEBUG_MSG_EBA
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bool "Eraseblock association unit messages"
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default n
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depends on MTD_UBI_DEBUG
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help
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This option enables debugging messages from the UBI eraseblock
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association unit.
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config MTD_UBI_DEBUG_MSG_WL
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bool "Wear-leveling unit messages"
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default n
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depends on MTD_UBI_DEBUG
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help
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This option enables debugging messages from the UBI wear-leveling
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unit.
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config MTD_UBI_DEBUG_MSG_IO
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bool "Input/output unit messages"
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default n
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depends on MTD_UBI_DEBUG
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help
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This option enables debugging messages from the UBI input/output unit.
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endmenu # UBI debugging messages
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