[PATCH 09/34] vfs: Put security flags into the fs_context struct [ver #12]

From: David Howells
Date: Fri Sep 21 2018 - 12:31:25 EST


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@xxxxxxxxxx>
---

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 4b7327852b7f..83c40d30868e 100644
--- a/include/linux/fs_context.h
+++ b/include/linux/fs_context.h
@@ -89,6 +89,7 @@ struct fs_context {
void *s_fs_info; /* Proposed s_fs_info */
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 sloppy:1; /* T if unrecognised options are okay */
bool silent:1; /* T if "o silent" specified */
diff --git a/include/linux/security.h b/include/linux/security.h
index 636215bf4c1b..bae191a96c73 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;