logfs: fix sync

Rather self-explanatory.
Signed-off-by: NJoern Engel <joern@logfs.org>

fs/logfs/file.c

@@ -224,8 +224,7 @@ int logfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 	struct super_block *sb = dentry->d_inode->i_sb;
 	struct logfs_super *super = logfs_super(sb);
 
-	/* FIXME: write anchor */
-	super->s_devops->sync(sb);
+	logfs_write_anchor(sb);
 	return 0;
 }
 

fs/logfs/inode.c

@@ -387,8 +387,7 @@ static void logfs_init_once(void *_li)
 
 static int logfs_sync_fs(struct super_block *sb, int wait)
 {
-	/* FIXME: write anchor */
-	logfs_super(sb)->s_devops->sync(sb);
+	logfs_write_anchor(sb);
 	return 0;
 }