cls/cephfs: add missing forward declaration

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>

diff --git a/src/cls/cephfs/cls_cephfs_client.h b/src/cls/cephfs/cls_cephfs_client.h
index 5c33f77f21f878713a9ad78be582a9bc0e55fe04..fcb328d49ea49e452288d38969340b37089f3e61 100644 (file)
--- a/src/cls/cephfs/cls_cephfs_client.h
+++ b/src/cls/cephfs/cls_cephfs_client.h
@@ -5,6 +5,7 @@
 #include "mds/mdstypes.h"
 #include "cls_cephfs.h"
 
+struct inode_backtrace_t;
 class AccumulateArgs;
 
 class ClsCephFSClient