[PATCH] TTY layer buffering revamp

[linux-2.6-block.git] / drivers / s390 / char / con3215.c

diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 75419cf9d35351b0b2c2a3cb1c3296046d1d7e51..1f060914cfa429275333377b21dcae3d27937135 100644 (file)
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -16,6 +16,7 @@
 #include <linux/types.h>
 #include <linux/kdev_t.h>
 #include <linux/tty.h>
+#include <linux/tty_flip.h>
 #include <linux/vt_kern.h>
 #include <linux/init.h>
 #include <linux/console.h>
@@ -432,8 +433,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                                if (count > slen)
                                        count = slen;
                        } else
-                       if (count >= TTY_FLIPBUF_SIZE - tty->flip.count)
-                               count = TTY_FLIPBUF_SIZE - tty->flip.count - 1;
                        EBCASC(raw->inbuf, count);
                        cchar = ctrlchar_handle(raw->inbuf, count, tty);
                        switch (cchar & CTRLCHAR_MASK) {
@@ -441,28 +440,20 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                                break;
 
                        case CTRLCHAR_CTRL:
-                               tty->flip.count++;
-                               *tty->flip.flag_buf_ptr++ = TTY_NORMAL;
-                               *tty->flip.char_buf_ptr++ = cchar;
+                               tty_insert_flip_char(tty, cchar, TTY_NORMAL);
                                tty_flip_buffer_push(raw->tty);
                                break;
 
                        case CTRLCHAR_NONE:
-                               memcpy(tty->flip.char_buf_ptr,
-                                      raw->inbuf, count);
                                if (count < 2 ||
-                                   (strncmp(raw->inbuf+count-2, "^n", 2) &&
-                                   strncmp(raw->inbuf+count-2, "\252n", 2)) ) {
-                                       /* don't add the auto \n */
-                                       tty->flip.char_buf_ptr[count] = '\n';
-                                       memset(tty->flip.flag_buf_ptr,
-                                              TTY_NORMAL, count + 1);
+                                   (strncmp(raw->inbuf+count-2, "\252n", 2) &&
+                                    strncmp(raw->inbuf+count-2, "^n", 2)) ) {
+                                       /* add the auto \n */
+                                       raw->inbuf[count] = '\n';
                                        count++;
                                } else
-                                       count-=2;
-                               tty->flip.char_buf_ptr += count;
-                               tty->flip.flag_buf_ptr += count;
-                               tty->flip.count += count;
+                                       count -= 2;
+                               tty_insert_flip_string(tty, raw->inbuf, count);
                                tty_flip_buffer_push(raw->tty);
                                break;
                        }