fix up ext2_fs.h for userspace after reservations backport

[linux-2.6] / include / linux / tty.h

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 691a1748d9d235a732346711c1ca84aeeb1251f9..c555f5442bd7c2c99cad45fb49370bb2280a8629 100644 (file)
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -21,7 +21,6 @@
  * (Note: the *_driver.minor_start values 1, 64, 128, 192 are
  * hardcoded at present.)
  */
-#define NR_PTYS        CONFIG_LEGACY_PTY_COUNT   /* Number of legacy ptys */
 #define NR_UNIX98_PTY_DEFAULT  4096      /* Default maximum for Unix98 ptys */
 #define NR_UNIX98_PTY_MAX      (1 << MINORBITS) /* Absolute limit */
 #define NR_LDISCS              17
@@ -81,11 +80,6 @@ struct tty_bufhead {
        struct tty_buffer *free;        /* Free queue head */
        int memory_used;                /* Buffer space used excluding free queue */
 };
-/*
- * The pty uses char_buf and flag_buf as a contiguous buffer
- */
-#define PTY_BUF_SIZE   4*TTY_FLIPBUF_SIZE
-
 /*
  * When a break, frame error, or parity error happens, these codes are
  * stuffed into the flags buffer.
@@ -274,6 +268,8 @@ struct tty_struct {
 #define TTY_PTY_LOCK           16      /* pty private */
 #define TTY_NO_WRITE_SPLIT     17      /* Preserve write boundaries to driver */
 #define TTY_HUPPED             18      /* Post driver->hangup() */
+#define TTY_FLUSHING           19      /* Flushing to ldisc in progress */
+#define TTY_FLUSHPENDING       20      /* Queued buffer flush pending */
 
 #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty))
 
@@ -320,6 +316,9 @@ extern void tty_flip_buffer_push(struct tty_struct *tty);
 extern speed_t tty_get_baud_rate(struct tty_struct *tty);
 extern speed_t tty_termios_baud_rate(struct ktermios *termios);
 extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
+extern void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud);
+extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud);
+extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old);
 
 extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
 extern void tty_ldisc_deref(struct tty_ldisc *);
@@ -333,7 +332,9 @@ extern void tty_ldisc_flush(struct tty_struct *tty);
 
 extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                     unsigned long arg);
-
+extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
+                       unsigned int cmd, unsigned long arg);
+extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg);
 extern dev_t tty_devnum(struct tty_struct *tty);
 extern void proc_clear_tty(struct task_struct *p);
 extern struct tty_struct *get_current_tty(void);