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>

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index ed5dfcc8886f0b969afa1b2ab2c9c963fc705a30..b73e8e133c8b79e539d0ca1f41524077875a1101 100644 (file)
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -39,6 +39,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
        si->hit_total = si->hit_largest + si->hit_cached + si->hit_rbtree;
        si->total_ext = atomic64_read(&sbi->total_hit_ext);
        si->ext_tree = atomic_read(&sbi->total_ext_tree);
+       si->zombie_tree = atomic_read(&sbi->total_zombie_tree);
        si->ext_node = atomic_read(&sbi->total_ext_node);
        si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
        si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
@@ -292,8 +293,8 @@ static int stat_show(struct seq_file *s, void *v)
                                !si->total_ext ? 0 :
                                div64_u64(si->hit_total * 100, si->total_ext),
                                si->hit_total, si->total_ext);
-               seq_printf(s, "  - Inner Struct Count: tree: %d, node: %d\n",
-                               si->ext_tree, si->ext_node);
+               seq_printf(s, "  - Inner Struct Count: tree: %d(%d), node: %d\n",
+                               si->ext_tree, si->zombie_tree, si->ext_node);
                seq_puts(s, "\nBalancing F2FS Async:\n");
                seq_printf(s, "  - inmem: %4d, wb: %4d\n",
                           si->inmem_pages, si->wb_pages);

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a3395088e0f0ee2674cff36684da65c7b07f2c16..d81bf5a4371473b0c756ddeb4822781fabda2dd6 100644 (file)
--- 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;