On Feb 9 17:27, Chris January wrote: > On Mon, Feb 9, 2009 at 5:18 PM, Corinna Vinschen wrote: > > I guess I'll ask on one of the Microsoft newsgroups if this is a known > > effect and especially what I'm doing wrong or what I have to do to > > get the desired behaviour. > > > > Btw., if anybody has an idea what's going wrong, please speak up :} > > Maybe this excerpt from the CreateFile documentation applies? > "Note To read or write to the last few sectors of the volume, you > must call DeviceIoControl and specify FSCTL_ALLOW_EXTENDED_DASD_IO. > This signals the file system driver not to perform any I/O boundary > checks on partition read or write calls. Instead, boundary checks are > performed by the device driver."
You saved my day! I never noticed that snippet in the docs. Thank you *SO* much. I'll check in a patch to Cygwin which will use that on disk devices. Thanks again, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
