hooanon05@xxxxxxxxxxx writes:
> Miklos Szeredi:
>> Here is my first try at a "delta" filesystem. It takes two
> :::
>> Comments, bug reports are welcome.
>
> As I wrote before, it is unclear how do you implment mmap.
> I am afrid you need to copyup the entire file to support MAP_SHARED.
Why? When a page is accessed the filesystem gets a read request and
reads it either from the RO branch or the delta branch. Why should it
need to copy up the full file?
MfG
Goswin
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
