Re: [fuse-devel] delta filesystem prototype

[Goswin von Brederlow <goswin-v-b@web.de>]

hooanon05@yahoo.co.jp writes:

> Dave Kleikamp:
>> I understand the file physically resides on the lower layer.  The delta
>> file system will presents a new file on a different path that initially
>> has the contents of the lower file.  If you are mmapping the file
>> presented by the delta files system, then both mmaps will see the same
>> modified data.
>
> Ok, I will read fuse (instead of deltafs.c) again.
> Thank you.
>
>
> J. R. Okajima

By the way. If you mmap a file in fuse shared twice wouldn't the
kernel share the physical pages. So the first access calls fuse and
loads the data into memory, the second access would just get the same
physical page mapped. Right?

MfG
        Goswin