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    SubjectRe: Is there a "make hole" (truncate in middle) syscall?
    >>>>> "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*
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