Large writes on CIFS share hang server

Issue

• A large write operation over CIFS hangs the server.
• Observed the following errors in the /var/log/messages log:

Jul 14 16:24:05 example-uguu kernel: CIFS VFS: No response to cmd 47 mid 19707  
Jul 14 16:24:05 example-uguu kernel: CIFS VFS: Write2 ret -11, wrote 0  
Jul 14 16:24:06 example-uguu kernel: CIFS VFS: Write2 ret -11, wrote 0  
Jul 14 16:34:53 example-uguu kernel: CIFS VFS: No response to cmd 47 mid 46551  
Jul 14 16:34:53 example-uguu kernel: CIFS VFS: Write2 ret -11, wrote 0  
Jul 14 16:34:53 example-uguu kernel: CIFS VFS: Write2 ret -11, wrote 0