Messages in this thread |  | | From | Peter Chubb <> | Date | Fri, 5 Dec 2003 09:53:58 +1100 | Subject | Re: Is there a "make hole" (truncate in middle) syscall? |
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>>>>> "Rob" == Rob Landley <rob@landley.net> writes:
Rob> You can make a file with a hole by seeking past it and never Rob> writing to that bit, but is there any way to punch a hole in a Rob> file after the fact? (I mean other with lseek and write. Having Rob> a sparse file as the result....)
SVr4 has fcntl(fd, F_FREESP, flock) that frees the space covered by the struct flock in the file. Linux doesn't have this, at least in the baseline kernels.
-- Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au The technical we do immediately, the political takes *forever* - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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