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-rw-r--r--fs/btrfs/ctree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d5c9fbe32c0c..b17944995e09 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2163,6 +2163,8 @@ BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block,
int btrfs_super_csum_size(const struct btrfs_super_block *s);
const char *btrfs_super_csum_name(u16 csum_type);
+size_t __const btrfs_get_num_csums(void);
+
/*
* The leaf data grows from end-to-front in the node.