Re: posix_fallocate

From: Jamie Lokier (lk@tantalophile.demon.co.uk)
Date: Fri Apr 14 2000 - 15:48:57 EST


Ulrich Drepper wrote:
> > You could try using sendfile from /dev/zero -- that gives the kernel or
> > fs a chance to optimise that path in future.
>
> One must not change the file pointer position. Therefore sendfile is out.

Anyway it isn't guaranteed to work -- I would guess an fs is free to
convert zero blocks to holes as an optimisation.

-- Jamie

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Apr 15 2000 - 21:00:25 EST