f2fs: use atomic variable for total_extent_tree

[mirror_ubuntu-artful-kernel.git] / fs / f2fs / debug.c

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index bb307e642fdded9ecb3471cd64c07ca4811d50df..ed5dfcc8886f0b969afa1b2ab2c9c963fc705a30 100644 (file)
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -38,7 +38,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
        si->hit_rbtree = atomic64_read(&sbi->read_hit_rbtree);
        si->hit_total = si->hit_largest + si->hit_cached + si->hit_rbtree;
        si->total_ext = atomic64_read(&sbi->total_hit_ext);
-       si->ext_tree = sbi->total_ext_tree;
+       si->ext_tree = atomic_read(&sbi->total_ext_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);
@@ -193,7 +193,8 @@ get_cache:
        si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages);
        for (i = 0; i <= UPDATE_INO; i++)
                si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
-       si->cache_mem += sbi->total_ext_tree * sizeof(struct extent_tree);
+       si->cache_mem += atomic_read(&sbi->total_ext_tree) *
+                                               sizeof(struct extent_tree);
        si->cache_mem += atomic_read(&sbi->total_ext_node) *
                                                sizeof(struct extent_node);