From: Jan Kara <jack@suse.cz>
Subject: [PATCH] jbd2: restore t_checkpoint_io_list to maintain kABI
Patch-mainline: Never, kABI fix
References: bsc#1214946

Restore t_checkpoint_io_list to maintain kABI.

Signed-off-by: Jan Kara <jack@suse.cz>

---
 include/linux/jbd2.h |    3 +++
 1 file changed, 3 insertions(+)

--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -635,6 +635,9 @@ struct transaction_s
 	 */
 	struct journal_head	*t_checkpoint_list;
 
+	/* Unused, kept for kABI compatibility */
+	struct journal_head     *t_checkpoint_io_list;
+
 	/*
 	 * Doubly-linked circular list of metadata buffers being shadowed by log
 	 * IO.  The IO buffers on the iobuf list and the shadow buffers on this