ecryptfs: get rid of ecryptfs_set_dentry_lower{,_mnt}

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/ecryptfs/ecryptfs_kernel.h

@@ -515,13 +515,6 @@ ecryptfs_dentry_to_lower(struct dentry *dentry)
 	return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry;
 }
 
-static inline void
-ecryptfs_set_dentry_lower(struct dentry *dentry, struct dentry *lower_dentry)
-{
-	((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry =
-		lower_dentry;
-}
-
 static inline struct vfsmount *
 ecryptfs_dentry_to_lower_mnt(struct dentry *dentry)
 {
@@ -534,13 +527,6 @@ ecryptfs_dentry_to_lower_path(struct dentry *dentry)
 	return &((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path;
 }
 
-static inline void
-ecryptfs_set_dentry_lower_mnt(struct dentry *dentry, struct vfsmount *lower_mnt)
-{
-	((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.mnt =
-		lower_mnt;
-}
-
 #define ecryptfs_printk(type, fmt, arg...) \
         __ecryptfs_printk(type "%s: " fmt, __func__, ## arg);
 __printf(1, 2)

fs/ecryptfs/inode.c

@@ -361,8 +361,8 @@ static int ecryptfs_lookup_interpose(struct dentry *dentry,
 	BUG_ON(!d_count(lower_dentry));
 
 	ecryptfs_set_dentry_private(dentry, dentry_info);
-	ecryptfs_set_dentry_lower(dentry, lower_dentry);
-	ecryptfs_set_dentry_lower_mnt(dentry, lower_mnt);
+	dentry_info->lower_path.mnt = lower_mnt;
+	dentry_info->lower_path.dentry = lower_dentry;
 
 	if (!lower_dentry->d_inode) {
 		/* We want to add because we couldn't find in lower */

fs/ecryptfs/main.c

@@ -585,8 +585,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
 
 	/* ->kill_sb() will take care of root_info */
 	ecryptfs_set_dentry_private(s->s_root, root_info);
-	ecryptfs_set_dentry_lower(s->s_root, path.dentry);
-	ecryptfs_set_dentry_lower_mnt(s->s_root, path.mnt);
+	root_info->lower_path = path;
 
 	s->s_flags |= MS_ACTIVE;
 	return dget(s->s_root);