CIFS: Find and reopen a file before get MTU credits in writepages

Reorder finding and reopening a writable handle file and getting
MTU credits in writepages because we may be stuck on low credits
otherwise.

Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Pavel Shilovsky 2019-01-25 15:23:36 -08:00 • committed by Steve French
commit c7d38dbe7d