[PATCH 19/43] vfs: Put security flags into the fs_context struct

[David Howells]

Put security flags, such as SECURITY_LSM_NATIVE_LABELS, into the filesystem
context so that the filesystem can communicate them to the LSM more easily.

Signed-off-by: David Howells <dhowells at redhat.com>
Signed-off-by: Al Viro <viro at zeniv.linux.org.uk>
---

 include/linux/fs_context.h |    1 +
 include/linux/security.h   |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h
index 899027c94788..d5ff3b0bc28d 100644
--- a/include/linux/fs_context.h
+++ b/include/linux/fs_context.h
@@ -85,6 +85,7 @@ struct fs_context {
 	void			*security;	/* Linux S&M options */
 	unsigned int		sb_flags;	/* Proposed superblock flags (SB_*) */
 	unsigned int		sb_flags_mask;	/* Superblock flags that were changed */
+	unsigned int		lsm_flags;	/* Information flags from the fs to the LSM */
 	enum fs_context_purpose	purpose:8;
 	bool			need_free:1;	/* Need to call ops->free() */
 };
diff --git a/include/linux/security.h b/include/linux/security.h
index 1cc4d7a3d6fa..2da9336a987e 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -61,7 +61,7 @@ enum fs_value_type;
 #define SECURITY_CAP_NOAUDIT 0
 #define SECURITY_CAP_AUDIT 1
 
-/* LSM Agnostic defines for sb_set_mnt_opts */
+/* LSM Agnostic defines for fs_context::lsm_flags */
 #define SECURITY_LSM_NATIVE_LABELS	1
 
 struct ctl_table;