bcache in userspace; userspace fsck

1 files changed, 65 insertions, 0 deletions

diff --git a/libbcache/debug.h b/libbcache/debug.h
new file mode 100644
index 0000000..a3635e6
--- /dev/null
+++ b/libbcache/debug.h
@@ -0,0 +1,65 @@
+#ifndef _BCACHE_DEBUG_H
+#define _BCACHE_DEBUG_H
+
+#include "bcache.h"
+
+struct bio;
+struct btree;
+struct cached_dev;
+struct cache_set;
+
+#define BCH_DEBUG_PARAM(name, description) extern bool bch_##name;
+BCH_DEBUG_PARAMS()
+#undef BCH_DEBUG_PARAM
+
+#define BCH_DEBUG_PARAM(name, description)				\
+	static inline bool name(struct cache_set *c)			\
+	{ return bch_##name || c->name;	}
+BCH_DEBUG_PARAMS_ALWAYS()
+#undef BCH_DEBUG_PARAM
+
+#ifdef CONFIG_BCACHE_DEBUG
+
+#define BCH_DEBUG_PARAM(name, description)				\
+	static inline bool name(struct cache_set *c)			\
+	{ return bch_##name || c->name;	}
+BCH_DEBUG_PARAMS_DEBUG()
+#undef BCH_DEBUG_PARAM
+
+void __bch_btree_verify(struct cache_set *, struct btree *);
+void bch_data_verify(struct cached_dev *, struct bio *);
+
+#define bypass_torture_test(d)		((d)->bypass_torture_test)
+
+#else /* DEBUG */
+
+#define BCH_DEBUG_PARAM(name, description)				\
+	static inline bool name(struct cache_set *c) { return false; }
+BCH_DEBUG_PARAMS_DEBUG()
+#undef BCH_DEBUG_PARAM
+
+static inline void __bch_btree_verify(struct cache_set *c, struct btree *b) {}
+static inline void bch_data_verify(struct cached_dev *dc, struct bio *bio) {}
+
+#define bypass_torture_test(d)		0
+
+#endif
+
+static inline void bch_btree_verify(struct cache_set *c, struct btree *b)
+{
+	if (verify_btree_ondisk(c))
+		__bch_btree_verify(c, b);
+}
+
+#ifdef CONFIG_DEBUG_FS
+void bch_debug_exit_cache_set(struct cache_set *);
+void bch_debug_init_cache_set(struct cache_set *);
+#else
+static inline void bch_debug_exit_cache_set(struct cache_set *c) {}
+static inline void bch_debug_init_cache_set(struct cache_set *c) {}
+#endif
+
+void bch_debug_exit(void);
+int bch_debug_init(void);
+
+#endif