Re: ext4 features

[Krzysztof Halasa]

Valdis.Kletnieks@xxxxxx writes:

> Backup programs want it stored with the file.

Not necessarily - backup may want to store the hashes in some central
place as well. I'm using such solution and it has only positives.

> If the filesystem stored a "guaranteed trustable current hash", Tripwire
> *could* use it to compare against its database rather than having to re-read
> the file and recompute it.  Unfortunately, a useful trustable hash is
> basically incompatible with any sort of incremental updating (except for
> the special case of appending to the file).

Block hashes + master hash could allow something like that. Not sure
if we want it in the fs, though.
-- 
Krzysztof Halasa
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