VisionFive2 Linux kernel

author: Peter Enderborg <peter.enderborg@sony.com> 2020-07-16 09:15:11 +0200 committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2020-07-23 17:10:25 +0200 commit: a24c6f7bc923d5e2f3139855eb09b0d480d6b410 parent: 072e133d554bb74929f902582c8cf66d9fd12771

Commit Summary:

debugfs: Add access restriction option

Diffstat:

1 file changed, 13 insertions, 0 deletions

diff --git a/fs/debugfs/internal.h b/fs/debugfs/internal.h
index 034e6973cead..92af8ae31313 100644
--- a/fs/debugfs/internal.h
+++ b/fs/debugfs/internal.h
@@ -29,4 +29,18 @@ struct debugfs_fsdata {
  */
 #define DEBUGFS_FSDATA_IS_REAL_FOPS_BIT BIT(0)
 
+/* Access BITS */
+#define DEBUGFS_ALLOW_API	BIT(0)
+#define DEBUGFS_ALLOW_MOUNT	BIT(1)
+
+#ifdef CONFIG_DEBUG_FS_ALLOW_ALL
+#define DEFAULT_DEBUGFS_ALLOW_BITS (DEBUGFS_ALLOW_MOUNT | DEBUGFS_ALLOW_API)
+#endif
+#ifdef CONFIG_DEBUG_FS_DISALLOW_MOUNT
+#define DEFAULT_DEBUGFS_ALLOW_BITS (DEBUGFS_ALLOW_API)
+#endif
+#ifdef CONFIG_DEBUG_FS_ALLOW_NONE
+#define DEFAULT_DEBUGFS_ALLOW_BITS (0)
+#endif
+
 #endif /* _DEBUGFS_INTERNAL_H_ */