[PATCH] cifs: Add support for suspend

cifsd had been preventing software suspend from completing.

Signed-off-by: [e-mail]
Signed-off-by: Steve French <[e-mail]> lightly modified
Signed-off-by: Linus Torvalds <[e-mail]>

fs/cifs/cifsfs.c

···
 
 	oplockThread = current;
 	do {
+		if (try_to_freeze()) 
+			continue;
 		set_current_state(TASK_INTERRUPTIBLE);
 		
 		schedule_timeout(1*HZ);  

fs/cifs/connect.c

···
 	}
 
 	while (server->tcpStatus != CifsExiting) {
+		if (try_to_freeze())
+			continue;
 		if (bigbuf == NULL) {
 			bigbuf = cifs_buf_get();
 			if(bigbuf == NULL) {