#define btree_default_blocks(c) \
((unsigned int) ((PAGE_SECTORS * (c)->btree_pages) >> (c)->block_bits))
-#define bucket_bytes(c) ((c)->sb.bucket_size << 9)
+#define bucket_bytes(ca) ((ca)->sb.bucket_size << 9)
#define block_bytes(ca) ((ca)->sb.block_size << 9)
static inline unsigned int meta_bucket_pages(struct cache_sb *sb)