<font size=2 face="sans-serif">I just had interesting (or incredibly stupid)
idea concerning the critical limitation of the live overlays where the
host crashes with bus errors when the temporary space for the COW is exhausted.
Is it possible to use trim/discard support to mitigate some of the
unidirectional growth for when files are deleted and/or overwritten? Conceptually
it seems like it is a good fit, but I've not investigated the practicality.
Just curious if this has been explored or if there are easily known
reasons why this wouldn't work.</font>
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--<br>
John Florian</font>
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