userns: Better restrictions on when proc and sysfs can be mounted

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index cb771ec..3050c62 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -10,6 +10,7 @@
 #include <linux/stat.h>
 #include <linux/cache.h>
 #include <linux/list.h>
+#include <linux/llist.h>
 #include <linux/radix-tree.h>
 #include <linux/rbtree.h>
 #include <linux/init.h>
@@ -768,6 +769,7 @@ struct file {
         */
        union {
                struct list_head        fu_list;
+               struct llist_node       fu_llist;
                struct rcu_head         fu_rcuhead;
        } f_u;
        struct path             f_path;
@@ -954,6 +956,7 @@ struct file_lock {
        unsigned int fl_flags;
        unsigned char fl_type;
        unsigned int fl_pid;
+       int fl_link_cpu;                /* what cpu's list is this on? */
        struct pid *fl_nspid;
        wait_queue_head_t fl_wait;
        struct file *fl_file;
@@ -1894,6 +1897,7 @@ extern int vfs_ustat(dev_t, struct kstatfs *);
 extern int freeze_super(struct super_block *super);
 extern int thaw_super(struct super_block *super);
 extern bool our_mnt(struct vfsmount *mnt);
+extern bool fs_fully_visible(struct file_system_type *);
 
 extern int current_umask(void);