--- zzzz-none-000/linux-3.10.107/fs/internal.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/internal.h	2021-02-04 17:41:59.000000000 +0000
@@ -9,13 +9,12 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/lglock.h>
-
 struct super_block;
 struct file_system_type;
 struct linux_binprm;
 struct path;
 struct mount;
+struct shrink_control;
 
 /*
  * block_dev.c
@@ -37,6 +36,11 @@
 #endif
 
 /*
+ * buffer.c
+ */
+extern void guard_bio_eod(int rw, struct bio *bio);
+
+/*
  * char_dev.c
  */
 extern void __init chrdev_init(void);
@@ -44,13 +48,15 @@
 /*
  * namei.c
  */
-extern int __inode_permission(struct inode *, int);
+extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);
+extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+			   const char *, unsigned int, struct path *);
 
 /*
  * namespace.c
  */
 extern int copy_mount_options(const void __user *, unsigned long *);
-extern int copy_mount_string(const void __user *, char **);
+extern char *copy_mount_string(const void __user *);
 
 extern struct vfsmount *lookup_mnt(struct path *);
 extern int finish_automount(struct vfsmount *, struct path *);
@@ -59,8 +65,6 @@
 
 extern void __init mnt_init(void);
 
-extern struct lglock vfsmount_lock;
-
 extern int __mnt_want_write(struct vfsmount *);
 extern int __mnt_want_write_file(struct file *);
 extern void __mnt_drop_write(struct vfsmount *);
@@ -80,7 +84,7 @@
  * super.c
  */
 extern int do_remount_sb(struct super_block *, int, void *, int);
-extern bool grab_super_passive(struct super_block *sb);
+extern bool trylock_super(struct super_block *sb);
 extern struct dentry *mount_fs(struct file_system_type *,
 			       int, const char *, void *);
 extern struct super_block *user_get_super(dev_t);
@@ -93,28 +97,30 @@
 	umode_t mode;
 	int acc_mode;
 	int intent;
+	int lookup_flags;
 };
 extern struct file *do_filp_open(int dfd, struct filename *pathname,
-		const struct open_flags *op, int flags);
+		const struct open_flags *op);
 extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
-		const char *, const struct open_flags *, int lookup_flags);
+		const char *, const struct open_flags *);
 
 extern long do_handle_open(int mountdirfd,
 			   struct file_handle __user *ufh, int open_flag);
 extern int open_check_o_direct(struct file *f);
+extern int vfs_open(const struct path *, struct file *, const struct cred *);
 
 /*
  * inode.c
  */
-extern spinlock_t inode_sb_list_lock;
+extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc);
 extern void inode_add_lru(struct inode *inode);
 
 /*
  * fs-writeback.c
  */
-extern void inode_wb_list_del(struct inode *inode);
+extern void inode_io_list_del(struct inode *inode);
 
-extern int get_nr_dirty_inodes(void);
+extern long get_nr_dirty_inodes(void);
 extern void evict_inodes(struct super_block *);
 extern int invalidate_inodes(struct super_block *, bool);
 
@@ -122,19 +128,26 @@
  * dcache.c
  */
 extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
+extern int d_set_mounted(struct dentry *dentry);
+extern long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc);
 
 /*
  * read_write.c
  */
-extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *);
+extern int rw_verify_area(int, struct file *, const loff_t *, size_t);
+
+/*
+ * pipe.c
+ */
+extern const struct file_operations pipefifo_fops;
 
 /*
- * splice.c
+ * fs_pin.c
  */
-extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
-		loff_t *opos, size_t len, unsigned int flags);
+extern void group_pin_kill(struct hlist_head *p);
+extern void mnt_pin_kill(struct mount *m);
 
 /*
- * pipe.c
+ * fs/nsfs.c
  */
-extern const struct file_operations pipefifo_fops;
+extern struct dentry_operations ns_dentry_operations;