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Diffstat (limited to 'include/linux/tty.h')
-rw-r--r--include/linux/tty.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 3787102e4b12..f45cd74e6f24 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -57,6 +57,9 @@ struct tty_buffer {
unsigned char *flag_buf_ptr;
int used;
int size;
+ int active;
+ int commit;
+ int read;
/* Data points here */
unsigned long data[0];
};
@@ -64,6 +67,7 @@ struct tty_buffer {
struct tty_bufhead {
struct work_struct work;
struct semaphore pty_sem;
+ spinlock_t lock;
struct tty_buffer *head; /* Queue head */
struct tty_buffer *tail; /* Active buffer */
struct tty_buffer *free; /* Free queue head */