Hi,
On Wed, Jul 26, 2000 at 02:05:11PM -0400, Alexander Viro wrote:
>
> Here is one more for you:
> Suppose we grow the last fragment/tail/whatever. Do you copy the
> data out of that shared block? If so, how do you update buffer_heads in
> pages that cover the relocated data? (Same goes for reiserfs, if they are
> doing something similar). BTW, our implementation of UFS is fucked up in
> that respect, so variant from there will not work.
For tail writes, I'd imagine we would just end up using the page cache
as a virtual cache as NFS uses it, and doing plain copy into the
buffer cache pages.
Cheers,
Stephen
