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cafe563591
Does writethrough and writeback caching, handles unclean shutdown, and has a bunch of other nifty features motivated by real world usage. See the wiki at http://bcache.evilpiepirate.org for more. Signed-off-by: Kent Overstreet <koverstreet@google.com>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
#ifndef _BCACHE_DEBUG_H
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#define _BCACHE_DEBUG_H
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/* Btree/bkey debug printing */
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#define KEYHACK_SIZE 80
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struct keyprint_hack {
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char s[KEYHACK_SIZE];
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};
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struct keyprint_hack bch_pkey(const struct bkey *k);
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struct keyprint_hack bch_pbtree(const struct btree *b);
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#define pkey(k) (&bch_pkey(k).s[0])
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#define pbtree(b) (&bch_pbtree(b).s[0])
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#ifdef CONFIG_BCACHE_EDEBUG
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unsigned bch_count_data(struct btree *);
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void bch_check_key_order_msg(struct btree *, struct bset *, const char *, ...);
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void bch_check_keys(struct btree *, const char *, ...);
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#define bch_check_key_order(b, i) \
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bch_check_key_order_msg(b, i, "keys out of order")
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#define EBUG_ON(cond) BUG_ON(cond)
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#else /* EDEBUG */
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#define bch_count_data(b) 0
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#define bch_check_key_order(b, i) do {} while (0)
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#define bch_check_key_order_msg(b, i, ...) do {} while (0)
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#define bch_check_keys(b, ...) do {} while (0)
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#define EBUG_ON(cond) do {} while (0)
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#endif
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#ifdef CONFIG_BCACHE_DEBUG
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void bch_btree_verify(struct btree *, struct bset *);
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void bch_data_verify(struct search *);
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#else /* DEBUG */
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static inline void bch_btree_verify(struct btree *b, struct bset *i) {}
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static inline void bch_data_verify(struct search *s) {};
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#endif
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#ifdef CONFIG_DEBUG_FS
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void bch_debug_init_cache_set(struct cache_set *);
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#else
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static inline void bch_debug_init_cache_set(struct cache_set *c) {}
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#endif
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#endif
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