File System corruption tool

["Lakshmipathi.G" <lakshmipathi.g@xxxxxxxxx>]

Hi - 

I'm searching for file system corruption tool, say it inject disk-errors like

multiply owned blocks etc. Later an integrity scan process (like e2fsck) will

verify on-disk layout and fix these errors. 

I'd like to read/understand such tools before writing one for an proprietary

on-disk file system. 

Do we have such tools for ext{2,3,4}fs ? Thanks for any help or pointers!

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Cheers,
Lakshmipathi.G
FOSS Programmer.
www.giis.co.in

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