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-rw-r--r--fs/btrfs/hash.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/hash.h b/fs/btrfs/hash.h
index 118a2316e5d3..c3a2ec554361 100644
--- a/fs/btrfs/hash.h
+++ b/fs/btrfs/hash.h
@@ -22,6 +22,7 @@
int __init btrfs_hash_init(void);
void btrfs_hash_exit(void);
+const char* btrfs_crc32c_impl(void);
u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length);