616     fin_off: Option<u64>,  field
642         if let Some(fin_off) = self.fin_off {  in push()
644             if buf.max_off() > fin_off {  in push()
649             if buf.fin() && fin_off != buf.max_off() {  in push()
661         if self.fin_off.is_some() && buf.is_empty() {  in push()
667         if buf.fin() && buf.is_empty() && self.fin_off.is_some() {  in push()
672             self.fin_off = Some(buf.max_off());  in push()
787         if let Some(fin_off) = self.fin_off {  in reset()
788             if fin_off != final_size {  in reset()
798         self.fin_off = Some(final_size);  in reset()
838         self.fin_off.is_none() &&  in almost_full()
853         if self.fin_off == Some(self.off) {  in is_fin()
896     fin_off: Option<u64>,  field
955         if let Some(fin_off) = self.fin_off {  in push()
957             if buf.max_off() > fin_off {  in push()
962             if buf.max_off() == fin_off && !buf.fin() {  in push()
972             self.fin_off = Some(buf.max_off());  in push()
1043         out.fin = self.fin_off == Some(out.max_off());  in pop()
1096         if self.fin_off == Some(self.off) {  in is_fin()
1108         if let Some(fin_off) = self.fin_off {  in is_complete()
1109             if self.acked == (0..fin_off) {  in is_complete()