MVFS results

Tue Jul 21 09:52:00 GMT 2009

On Jul 20 20:13, Eric Blake wrote:
> SUCCESS! The following patch works for both read-only and writeable files. 
> Doing the work on the original handle is not enough - it has to be flushed to 
> disk so as not to be lost by later state changes. And doing the work on the 
> duplicate is not enough, since based on the procmon output, it looks like MVFS 
> caches information per handle, and with no reason to invalidate that cache, it 
> will just overwrite the disk state on close. But the combination of working on 
> the duplicate handle to flush the change to disk, followed by repeating the 
> action on the original handle, is enough to force MVFS to realize that we meant 
> business. And BOTH utimens and fchmod need this treatment (utimens alone fixed 
> the writable file case, but not the read-only case).

How cute. I have reworked the patch slightly to encapsulate the MVFS
code somewhat more. I've checked it in. Please try if it still works
as advertised.
Thanks for the thorough testing,
Corinna
-- 
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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