Hi Joern,
On Thu, May 12, 2005 at 02:18:42PM +0200, Jörn Engel wrote:
> Just out of curiosity: how do you perform the copy-up operation?
> In-kernel copies of large files are a huge problem and for union-mount
> purposes, I'm clueless about how to fix things.
Basically I open the source and the target file on the lower file
systems for reading and writing respectively, then read and write page
sized chunks of data until all has been copied. Obviously not ideal
for large files, but I had no better idea so far.
Markus
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