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-rw-r--r--fs/btrfs/ctree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index bd6ea433ed65..c1561097e5a3 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -53,6 +53,11 @@ const char *btrfs_super_csum_name(u16 csum_type)
return btrfs_csums[csum_type].name;
}
+size_t __const btrfs_get_num_csums(void)
+{
+ return ARRAY_SIZE(btrfs_csums);
+}
+
struct btrfs_path *btrfs_alloc_path(void)
{
return kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS);