1 files changed, 10 insertions, 3 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index f21b15804917..bb29b02d9bb6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -786,7 +786,6 @@ struct file {
                 struct rcu_head         fu_rcuhead;
         } f_u;
         struct path             f_path;
-#define f_dentry        f_path.dentry
         struct inode            *f_inode;       /* cached value */
         const struct file_operations    *f_op;
 
@@ -1465,7 +1464,10 @@ int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
  * This allows the kernel to read directories into kernel space or
  * to have different dirent layouts depending on the binary type.
  */
-typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned);
+struct dir_context;
+typedef int (*filldir_t)(struct dir_context *, const char *, int, loff_t, u64,
+                         unsigned);
+
 struct dir_context {
         const filldir_t actor;
         loff_t pos;
@@ -1511,7 +1513,7 @@ struct file_operations {
         int (*setlease)(struct file *, long, struct file_lock **, void **);
         long (*fallocate)(struct file *file, int mode, loff_t offset,
                           loff_t len);
-        int (*show_fdinfo)(struct seq_file *m, struct file *f);
+        void (*show_fdinfo)(struct seq_file *m, struct file *f);
 };
 
 struct inode_operations {
@@ -2787,6 +2789,11 @@ static inline void inode_has_no_xattr(struct inode *inode)
                 inode->i_flags |= S_NOSEC;
 }
 
+static inline bool is_root_inode(struct inode *inode)
+{
+        return inode == inode->i_sb->s_root->d_inode;
+}
+
 static inline bool dir_emit(struct dir_context *ctx,
                             const char *name, int namelen,
                             u64 ino, unsigned type)