Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / include / linux / tty.h

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 1437da3..86be0cd 100644 (file)
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -256,6 +256,7 @@ struct tty_operations;
 struct tty_struct {
        int     magic;
        struct kref kref;
+       struct device *dev;
        struct tty_driver *driver;
        const struct tty_operations *ops;
        int index;
@@ -329,6 +330,13 @@ struct tty_struct {
        struct tty_port *port;
 };
 
+/* Each of a tty's open files has private_data pointing to tty_file_private */
+struct tty_file_private {
+       struct tty_struct *tty;
+       struct file *file;
+       struct list_head list;
+};
+
 /* tty magic number */
 #define TTY_MAGIC              0x5401
 
@@ -458,6 +466,7 @@ extern void proc_clear_tty(struct task_struct *p);
 extern struct tty_struct *get_current_tty(void);
 extern void tty_default_fops(struct file_operations *fops);
 extern struct tty_struct *alloc_tty_struct(void);
+extern int tty_add_file(struct tty_struct *tty, struct file *file);
 extern void free_tty_struct(struct tty_struct *tty);
 extern void initialize_tty_struct(struct tty_struct *tty,
                struct tty_driver *driver, int idx);
@@ -470,6 +479,7 @@ 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 spinlock_t tty_files_lock;
 
 extern void tty_write_unlock(struct tty_struct *tty);
 extern int tty_write_lock(struct tty_struct *tty, int ndelay);