f2fs: monitor zombie_tree count

This patch adds an entry to show the number of zombie extent_tree.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a3395088e0f0..d81bf5a43714 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1890,7 +1890,7 @@ struct f2fs_stat_info {
         int main_area_segs, main_area_sections, main_area_zones;
         unsigned long long hit_largest, hit_cached, hit_rbtree;
         unsigned long long hit_total, total_ext;
-        int ext_tree, ext_node;
+        int ext_tree, zombie_tree, ext_node;
         int ndirty_node, ndirty_meta;
         int ndirty_dent, ndirty_dirs, ndirty_data, ndirty_files;
         int nats, dirty_nats, sits, dirty_sits, fnids;