Fix: btrfs: move basic block_group definitions to their own header (v5.4)

  commit aac0023c2106952538414254960c51dcf0dc39e9
  Author: Josef Bacik <josef@toxicpanda.com>
  Date:   Thu Jun 20 15:37:44 2019 -0400

    btrfs: move basic block_group definitions to their own header

    This is prep work for moving all of the block group cache code into its
    own file.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/probes/lttng-probe-btrfs.c b/probes/lttng-probe-btrfs.c
index 89fa35178fa278c7120cd1b078a53bf959cb9b17..52f8cfe4372250ea27fa3b6841047af7f6322dbd 100644 (file)
--- a/probes/lttng-probe-btrfs.c
+++ b/probes/lttng-probe-btrfs.c
@@ -23,9 +23,13 @@
 
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/version.h>
 #include <../fs/btrfs/ctree.h>
 #include <../fs/btrfs/transaction.h>
 #include <../fs/btrfs/volumes.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,0))
+#include <../fs/btrfs/block-group.h>
+#endif
 #include <linux/dcache.h>
 #include <lttng-tracer.h>