vfs: switch ->show_path() to struct dentry *

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

fs/nfs/super.c

@@ -264,7 +264,7 @@ static void nfs_umount_begin(struct super_block *);
 static int  nfs_statfs(struct dentry *, struct kstatfs *);
 static int  nfs_show_options(struct seq_file *, struct vfsmount *);
 static int  nfs_show_devname(struct seq_file *, struct dentry *);
-static int  nfs_show_path(struct seq_file *, struct vfsmount *);
+static int  nfs_show_path(struct seq_file *, struct dentry *);
 static int  nfs_show_stats(struct seq_file *, struct dentry *);
 static struct dentry *nfs_fs_mount(struct file_system_type *,
 		int, const char *, void *);
@@ -776,7 +776,7 @@ static int nfs_show_devname(struct seq_file *m, struct dentry *root)
 	return err;
 }
 
-static int nfs_show_path(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_path(struct seq_file *m, struct dentry *dentry)
 {
 	seq_puts(m, "/");
 	return 0;

fs/proc_namespace.c

@@ -131,7 +131,7 @@ static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt)
 	seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id,
 		   MAJOR(sb->s_dev), MINOR(sb->s_dev));
 	if (sb->s_op->show_path)
-		err = sb->s_op->show_path(m, mnt);
+		err = sb->s_op->show_path(m, mnt->mnt_root);
 	else
 		seq_dentry(m, mnt->mnt_root, " \t\n\\");
 	if (err)

include/linux/fs.h

@@ -1674,7 +1674,7 @@ struct super_operations {
 
 	int (*show_options)(struct seq_file *, struct vfsmount *);
 	int (*show_devname)(struct seq_file *, struct dentry *);
-	int (*show_path)(struct seq_file *, struct vfsmount *);
+	int (*show_path)(struct seq_file *, struct dentry *);
 	int (*show_stats)(struct seq_file *, struct dentry *);
 #ifdef CONFIG_QUOTA
 	ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);