Re: [PATCH] cowlinks v2
From: Jamie Lokier
Date: Mon Mar 29 2004 - 07:49:53 EST
Pavel Machek wrote:
> Actually, there's 4th strategy, too. You could implement sharing at block level.
> Block free bitmap would become bigger, but you could do some tricks to keep it
> at ~8 bits per block...
For sharing source trees and such, and even for COW overlays of
/usr/lib and /usr/bin, that would have no benefit: you never write to
just part of a source or object file.
For databases (including things like the RPM database), and snapshots
of filesystems, it would be more useful.
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