Re: [RFC 0/7] [RFC] cramfs: fake write support

[Arnd Bergmann]

On Sunday 01 June 2008, Phillip Lougher wrote:
> If I read the patches correctly, when a file page is written to, only 
> that page gets copied into the page cache and locked, the other pages 
> continue to be read off disk from cramfs?  With Unionfs a page write 
> causes the entire file to be copied up to the r/w tmpfs and locked into 
> the page cache causing unnecessary RAM overhead.

Yes, that's right.

	Arnd <><
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