Re: Overlay writable filesystem over r/o partition [long]

Richard Jones (rjones@orchestream.com)
Wed, 07 Jan 1998 11:14:15 +0000

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Peter Horton wrote:
>
> On Tue, 6 Jan 1998, Richard Jones wrote:
>
> Are you thinking of copying the file completely when it is written to, or
> on a block by block basis ? I could definately think of a few uses for an
> overlay filesystem ......

You have to copy the whole file unfortunately. You don't copy
it until you know the write operation will succeed.

Rich.

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