Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6:
  SELinux: kills warnings in Improve SELinux performance when AVC misses
  SELinux: improve performance when AVC misses.
  SELinux: policy selectable handling of unknown classes and perms
  SELinux: Improve read/write performance
  SELinux: tune avtab to reduce memory usage

1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/security.h b/include/linux/security.h
index 1a15526e9f6..928d4793c6f 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -504,6 +504,13 @@ struct request_sock;
  *	@file contains the file structure being received.
  *	Return 0 if permission is granted.
  *
+ * Security hook for dentry
+ *
+ * @dentry_open
+ *	Save open-time permission checking state for later use upon
+ *	file_permission, and recheck access if anything has changed
+ *	since inode_permission.
+ *
  * Security hooks for task operations.
  *
  * @task_create:
@@ -1256,6 +1263,7 @@ struct security_operations {
 	int (*file_send_sigiotask) (struct task_struct * tsk,
 				    struct fown_struct * fown, int sig);
 	int (*file_receive) (struct file * file);
+	int (*dentry_open)  (struct file *file);
 
 	int (*task_create) (unsigned long clone_flags);
 	int (*task_alloc_security) (struct task_struct * p);
@@ -1864,6 +1872,11 @@ static inline int security_file_receive (struct file *file)
 	return security_ops->file_receive (file);
 }
 
+static inline int security_dentry_open (struct file *file)
+{
+	return security_ops->dentry_open (file);
+}
+
 static inline int security_task_create (unsigned long clone_flags)
 {
 	return security_ops->task_create (clone_flags);
@@ -2546,6 +2559,11 @@ static inline int security_file_receive (struct file *file)
 	return 0;
 }
 
+static inline int security_dentry_open (struct file *file)
+{
+	return 0;
+}
+
 static inline int security_task_create (unsigned long clone_flags)
 {
 	return 0;