UBI: add ubi_leb_map interface

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The idea of this interface belongs to Adrian Hunter. The
interface is extremely useful when one has to have a guarantee
that an LEB will contain all 0xFFs even in case of an unclean
reboot. UBI does have an 'ubi_leb_erase()' call which may do
this, but it is stupid and ineffecient, because it flushes whole
queue. I should be re-worked to just be a pair of unmap,
map calls.

The user of the interfaci is UBIFS at the moment.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

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Artem Bityutskiy 2007-12-06 18:47:30 +02:00

parent 94780d4de2

commit 393852ecfe

3 changed files with 54 additions and 5 deletions

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13

drivers/mtd/ubi/eba.c

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45

drivers/mtd/ubi/kapi.c

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1

include/linux/mtd/ubi.h

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