xfs: remove log recovery quotaoff item dispatch for pass2 commit functions

Quotaoff doesn't actually do anything, so take advantage of the
commit_pass2 pointer being optional and get rid of the switch
statement clause.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

fs/xfs/xfs_dquot_item_recover.c

@@ -197,4 +197,5 @@ xlog_recover_quotaoff_commit_pass1(
 const struct xlog_recover_item_ops xlog_quotaoff_item_ops = {
 	.item_type		= XFS_LI_QUOTAOFF,
 	.commit_pass1		= xlog_recover_quotaoff_commit_pass1,
+	/* nothing to commit in pass2 */
 };

fs/xfs/xfs_log_recover.c

@@ -2034,31 +2034,6 @@ xlog_buf_readahead(
 		xfs_buf_readahead(log->l_mp->m_ddev_targp, blkno, len, ops);
 }
 
-STATIC int
-xlog_recover_commit_pass2(
-	struct xlog			*log,
-	struct xlog_recover		*trans,
-	struct list_head		*buffer_list,
-	struct xlog_recover_item	*item)
-{
-	trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS2);
-
-	if (item->ri_ops->commit_pass2)
-		return item->ri_ops->commit_pass2(log, buffer_list, item,
-				trans->r_lsn);
-
-	switch (ITEM_TYPE(item)) {
-	case XFS_LI_QUOTAOFF:
-		/* nothing to do in pass2 */
-		return 0;
-	default:
-		xfs_warn(log->l_mp, "%s: invalid item type (%d)",
-			__func__, ITEM_TYPE(item));
-		ASSERT(0);
-		return -EFSCORRUPTED;
-	}
-}
-
 STATIC int
 xlog_recover_items_pass2(
 	struct xlog                     *log,
@@ -2070,8 +2045,12 @@ xlog_recover_items_pass2(
 	int				error = 0;
 
 	list_for_each_entry(item, item_list, ri_list) {
-		error = xlog_recover_commit_pass2(log, trans,
-					  buffer_list, item);
+		trace_xfs_log_recover_item_recover(log, trans, item,
+				XLOG_RECOVER_PASS2);
+
+		if (item->ri_ops->commit_pass2)
+			error = item->ri_ops->commit_pass2(log, buffer_list,
+					item, trans->r_lsn);
 		if (error)
 			return error;
 	}