i don't recall *which* unix provides this functionality (solaris? irix?
but it's out there -- someone has spliced it in as a fcntl().
fcntl(fd, FCNTL_DEALLOC_or_something, struct flock*);
uses a flock-style byte range specifier to punch a hole in the file.
Erez Zadok wrote:
> other words, if Linux might provide some general purpose functions to
> "sparsify" a file and/or shift data around, I sure would make use of it.
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