Add file_ns_capable() helper function for open-time capability checking

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / capability.h

diff --git a/include/linux/capability.h b/include/linux/capability.h
index 98503b7923698e3b527dc278aa32d5db1da1dfe1..d9a4f7f40f329b22c81f86e31c72b259d4acb4bf 100644 (file)
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -35,6 +35,7 @@ struct cpu_vfs_cap_data {
 #define _KERNEL_CAP_T_SIZE     (sizeof(kernel_cap_t))
 
 
+struct file;
 struct inode;
 struct dentry;
 struct user_namespace;
@@ -211,6 +212,7 @@ extern bool capable(int cap);
 extern bool ns_capable(struct user_namespace *ns, int cap);
 extern bool nsown_capable(int cap);
 extern bool inode_capable(const struct inode *inode, int cap);
+extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
 
 /* audit system wants to get cap info from files as well */
 extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);