2 files changed, 40 insertions, 1 deletions
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 4c5c47c5edb7..6c1438f6a4d3 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -689,6 +689,41 @@ DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_first,
 	     TP_ARGS(inode, ordered)
 );
 
+/*
+ * The writepage fixup worker deferred a block because this still-running
+ * ordered extent covers it.
+ */
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_writepage_fixup_defer,
+
+	     TP_PROTO(const struct btrfs_inode *inode,
+		      const struct btrfs_ordered_extent *ordered),
+
+	     TP_ARGS(inode, ordered)
+);
+
+/* The writepage fixup worker reserved space for a block and set delalloc. */
+TRACE_EVENT(btrfs_writepage_fixup_reserve,
+
+	TP_PROTO(const struct btrfs_inode *inode, u64 start, u32 len),
+
+	TP_ARGS(inode, start, len),
+
+	TP_STRUCT__entry_btrfs(
+		__field(	u64,	ino		)
+		__field(	u64,	start		)
+		__field(	u32,	len		)
+	),
+
+	TP_fast_assign_btrfs(inode->root->fs_info,
+		__entry->ino	= btrfs_ino(inode);
+		__entry->start	= start;
+		__entry->len	= len;
+	),
+
+	TP_printk_btrfs("ino=%llu start=%llu len=%u",
+			__entry->ino, __entry->start, __entry->len)
+);
+
 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_split,
 
 	     TP_PROTO(const struct btrfs_inode *inode,
diff --git a/include/trace/events/memory-failure.h b/include/trace/events/memory-failure.h
index aa57cc8f896b..7a8ee5d1a44e 100644
--- a/include/trace/events/memory-failure.h
+++ b/include/trace/events/memory-failure.h
@@ -1,6 +1,10 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
-#define TRACE_SYSTEM memory_failure
+/*
+ * For historical versions, memory_failure_event is in ras subsystem,
+ * some user programs depend on it.
+ */
+#define TRACE_SYSTEM ras
 #define TRACE_INCLUDE_FILE memory-failure
 
 #if !defined(_TRACE_MEMORY_FAILURE_H) || defined(TRACE_HEADER_MULTI_READ)