Added support for handling corrupted blocks

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This provides a limited form of wear leveling. While wear is
not actually balanced across blocks, the filesystem can recover
from corrupted blocks and extend the lifetime of a device nearly
as much as dynamic wear leveling.

For use-cases where wear is important, it would be better to use
a full form of dynamic wear-leveling at the block level. (or
consider a logging filesystem).

Corrupted block handling was simply added on top of the existing
logic in place for the filesystem, so it's a bit more noodly than
it may have to be, but it gets the work done.

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This commit is contained in:

Christopher Haster

2017-05-14 12:01:45 -05:00

parent b35d761196

commit fd1da602d7

8 changed files with 634 additions and 311 deletions

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lfs.c

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