1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/hash.c b/fs/btrfs/hash.c
index aae520b2aee5..a97fdc156a03 100644
--- a/fs/btrfs/hash.c
+++ b/fs/btrfs/hash.c
@@ -24,6 +24,11 @@ int __init btrfs_hash_init(void)
         return PTR_ERR_OR_ZERO(tfm);
 }
 
+const char* btrfs_crc32c_impl(void)
+{
+        return crypto_tfm_alg_driver_name(crypto_shash_tfm(tfm));
+}
+
 void btrfs_hash_exit(void)
 {
         crypto_free_shash(tfm);