readahead: introduce PG_readahead

[karo-tx-linux.git] / include / linux / vt_kern.h

diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index e0db669998f3e98ff72dbc02ca230aad82c8a75c..699b7e9864fa8c675c5c9d3d677bf59a1a872c21 100644 (file)
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -9,6 +9,7 @@
 #include <linux/vt.h>
 #include <linux/kd.h>
 #include <linux/tty.h>
+#include <linux/mutex.h>
 #include <linux/console_struct.h>
 #include <linux/mm.h>
 
@@ -74,6 +75,8 @@ int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
 int vt_waitactive(int vt);
 void change_console(struct vc_data *new_vc);
 void reset_vc(struct vc_data *vc);
+extern int unbind_con_driver(const struct consw *csw, int first, int last,
+                            int deflt);
 
 /*
  * vc_screen.c shares this temporary buffer with the console write code so that
@@ -82,7 +85,7 @@ void reset_vc(struct vc_data *vc);
 
 #define CON_BUF_SIZE (CONFIG_BASE_SMALL ? 256 : PAGE_SIZE)
 extern char con_buf[CON_BUF_SIZE];
-extern struct semaphore con_buf_sem;
+extern struct mutex con_buf_mtx;
 extern char vt_dont_switch;
 
 struct vt_spawn_console {