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tty: Extract various bits of ldisc code

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Before trying to tackle the ldisc bugs the code needs to be a good deal
more readable, so do the simple extractions of routines first.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2009-06-11 12:48:02 +01:00
committed by Linus Torvalds
parent 5f0878acba
commit e8b70e7d3e
3 changed files with 88 additions and 36 deletions
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include/linux/tty.h
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@@ -428,6 +428,9 @@ extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx,
extern void tty_release_dev(struct file *filp);
extern int tty_init_termios(struct tty_struct *tty);
extern struct tty_struct *tty_pair_get_tty(struct tty_struct *tty);
extern struct tty_struct *tty_pair_get_pty(struct tty_struct *tty);
extern struct mutex tty_mutex;
extern void tty_write_unlock(struct tty_struct *tty);