Fixed https://bugzilla.kernel.org/show_bug.cgi?id=202935 allow write on the same file

Copychunk allows source and target to be on the same file.
For details on restrictions see MS-SMB2 3.3.5.15.6

Signed-off-by: Kovtunenko Oleksandr <alexander198961@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
1 file changed