open issue regarding local copies and -W

Martin Pool mbp at
Tue Sep 4 21:24:33 EST 2001

On 14 Aug 2001, Dave Dykstra <dwd at> wrote:
> Martin,
> I want to remind you that there's still an open issue regarding copies when
> both source and destination are on the local machine (including over NFS):

Thanks for the reminder.  I hope the regression suite will help chase
these things out and keep them out.  I haven't had time yet to merge
and test the nohang patch.

> I put a patch into the CVS to automatically imply the '-W' option in that
> case, and somebody said he was concerned about that because he found that
> with -W on local copies he had cases where rsync would lock up, and it
> wouldn't without -W (I presume because -W artificially slows it down).

> Should there be an option to turn -W back off, overriding that new default
> (or should the new default be taken back out)?  There are a few other
> options that would be nice to be able to negate (--blocking-io comes to
> mind), maybe there should be a consistent way of specifying them.  Should
> the bug that causes lockup with -W be investigated (or has it already been
> fixed with the Wayne Davison patches)?

I suppose we should have the --no-* option syntax.  That's pretty simple.


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