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-rw-r--r--fs/btrfs/hash.c5
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);