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-rw-r--r--fs/f2fs/node.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 03a1f9043558..69c38a0022e7 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2363,6 +2363,14 @@ static int init_node_manager(struct f2fs_sb_info *sbi)
GFP_KERNEL);
if (!nm_i->nat_bitmap)
return -ENOMEM;
+
+#ifdef CONFIG_F2FS_CHECK_FS
+ nm_i->nat_bitmap_mir = kmemdup(version_bitmap, nm_i->bitmap_size,
+ GFP_KERNEL);
+ if (!nm_i->nat_bitmap_mir)
+ return -ENOMEM;
+#endif
+
return 0;
}
@@ -2437,6 +2445,9 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
up_write(&nm_i->nat_tree_lock);
kfree(nm_i->nat_bitmap);
+#ifdef CONFIG_F2FS_CHECK_FS
+ kfree(nm_i->nat_bitmap_mir);
+#endif
sbi->nm_info = NULL;
kfree(nm_i);
}