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The return of SEEK_HOLE

The return of SEEK_HOLE

Posted Apr 28, 2011 16:27 UTC (Thu) by Yorick (subscriber, #19241)
Parent article: The return of SEEK_HOLE

This shows how difficult it is to get the design of an interface right without writing the application for which it is intended at the same time. I am reminded of it all the time myself, no matter how well I think I know the problem domain or how much I plan ahead.

The kernel policy of not allowing experimental syscalls but demanding indefinite support even for failed attempts once they are in a released kernel may have made it harder to co-develop application and interface. Maybe a policy demanding credible proof-of-concept user-space code accompanying any new syscall would do? (And, as has been suggested before, a man page.)

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