Re: is there a COW inside the kernel ?

From: Jan Engelhardt
Date: Fri Mar 03 2006 - 08:33:33 EST


> is there an equivalent of something like
> cowloop ( http://www.atconsultancy.nl/cowloop/total.html ) or md based cow
> device ( http://www.cl.cam.ac.uk/users/br260/doc/report.pdf ),
> i.e. a feature called "Copy On Write Blockdevice" inside the current or the
> near-future mainline kernel (besides UserModeLinux Arch)?

Not directly block-device-based cow, but unionfs is at least a
filesystem-based cow.


Jan Engelhardt
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