security, overlayfs: provide copy up security hook for unioned files

[deliverable/linux.git] / include / linux / security.h

diff --git a/include/linux/security.h b/include/linux/security.h
index 14df373ff2caf4b3cdb36f8141b27b2892aa466b..c5b0ccd6c8b6666f5b15335f127ffb9699c34ec0 100644 (file)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -240,7 +240,7 @@ int security_sb_clone_mnt_opts(const struct super_block *oldsb,
                                struct super_block *newsb);
 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
 int security_dentry_init_security(struct dentry *dentry, int mode,
-                                       struct qstr *name, void **ctx,
+                                       const struct qstr *name, void **ctx,
                                        u32 *ctxlen);
 
 int security_inode_alloc(struct inode *inode);
@@ -282,6 +282,7 @@ int security_inode_getsecurity(struct inode *inode, const char *name, void **buf
 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
 void security_inode_getsecid(struct inode *inode, u32 *secid);
+int security_inode_copy_up(struct dentry *src, struct cred **new);
 int security_file_permission(struct file *file, int mask);
 int security_file_alloc(struct file *file);
 void security_file_free(struct file *file);
@@ -591,7 +592,7 @@ static inline void security_inode_free(struct inode *inode)
 
 static inline int security_dentry_init_security(struct dentry *dentry,
                                                 int mode,
-                                                struct qstr *name,
+                                                const struct qstr *name,
                                                 void **ctx,
                                                 u32 *ctxlen)
 {
@@ -758,6 +759,11 @@ static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
        *secid = 0;
 }
 
+static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
+{
+       return 0;
+}
+
 static inline int security_file_permission(struct file *file, int mask)
 {
        return 0;