mirror of
https://github.com/koverstreet/bcachefs-tools.git
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74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
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#ifndef _BCACHE_BTREE_IO_H
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#define _BCACHE_BTREE_IO_H
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struct cache_set;
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struct btree_write;
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struct btree;
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struct btree_iter;
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static inline void btree_node_io_unlock(struct btree *b)
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{
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EBUG_ON(!btree_node_write_in_flight(b));
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clear_btree_node_write_in_flight(b);
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wake_up_bit(&b->flags, BTREE_NODE_write_in_flight);
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}
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static inline void btree_node_io_lock(struct btree *b)
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{
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wait_on_bit_lock_io(&b->flags, BTREE_NODE_write_in_flight,
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TASK_UNINTERRUPTIBLE);
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}
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enum compact_mode {
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COMPACT_LAZY,
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COMPACT_WRITTEN,
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COMPACT_WRITTEN_NO_WRITE_LOCK,
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};
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bool __bch_compact_whiteouts(struct cache_set *, struct btree *, enum compact_mode);
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static inline bool bch_maybe_compact_whiteouts(struct cache_set *c, struct btree *b)
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{
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struct bset_tree *t;
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for_each_bset(b, t) {
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unsigned live_u64s = b->nr.bset_u64s[t - b->set];
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unsigned bset_u64s = le16_to_cpu(bset(b, t)->u64s);
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if (live_u64s * 4 < bset_u64s * 3)
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goto compact;
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}
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return false;
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compact:
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return __bch_compact_whiteouts(c, b, COMPACT_LAZY);
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}
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void bch_btree_sort_into(struct cache_set *, struct btree *, struct btree *);
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void bch_btree_build_aux_trees(struct btree *);
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void bch_btree_init_next(struct cache_set *, struct btree *,
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struct btree_iter *);
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void bch_btree_node_read_done(struct cache_set *, struct btree *,
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struct cache *, const struct bch_extent_ptr *);
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void bch_btree_node_read(struct cache_set *, struct btree *);
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int bch_btree_root_read(struct cache_set *, enum btree_id,
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const struct bkey_i *, unsigned);
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void bch_btree_complete_write(struct cache_set *, struct btree *,
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struct btree_write *);
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void __bch_btree_node_write(struct cache_set *, struct btree *,
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struct closure *, enum six_lock_type, int);
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bool bch_btree_post_write_cleanup(struct cache_set *, struct btree *);
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void bch_btree_node_write(struct cache_set *, struct btree *,
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struct closure *, enum six_lock_type, int);
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void bch_btree_flush(struct cache_set *);
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void bch_btree_node_flush_journal_entries(struct cache_set *, struct btree *,
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struct closure *);
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#endif /* _BCACHE_BTREE_IO_H */
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