btrfs: annotate intentional switch case fallthroughs

This keeps static checkers happy.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 6eff0fa9ecaa..35444013f0cf 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1138,6 +1138,7 @@ __tree_mod_log_rewind(struct extent_buffer *eb, u64 time_seq,
                 switch (tm->op) {
                 case MOD_LOG_KEY_REMOVE_WHILE_FREEING:
                         BUG_ON(tm->slot < n);
+                        /* Fallthrough */
                 case MOD_LOG_KEY_REMOVE_WHILE_MOVING:
                 case MOD_LOG_KEY_REMOVE:
                         btrfs_set_node_key(eb, &tm->key, tm->slot);