fs/bcachefs/alloc_background.c

467 static struct bpos alloc_gens_pos(struct bpos pos, unsigned *offset)
469 	*offset = pos.offset & KEY_TYPE_BUCKET_GENS_MASK;
471 	pos.offset >>= KEY_TYPE_BUCKET_GENS_BITS;
475 static struct bpos bucket_gens_pos_to_alloc(struct bpos pos, unsigned offset)
477 	pos.offset <<= KEY_TYPE_BUCKET_GENS_BITS;
478 	pos.offset += offset;
482 static unsigned alloc_gen(struct bkey_s_c k, unsigned offset)
485 		? bkey_s_c_to_bucket_gens(k).v->gens[offset]
533 		unsigned offset;
534 		struct bpos pos = alloc_gens_pos(iter.pos, &offset);
551 		g.v.gens[offset] = gen;
577 			u64 start = bucket_gens_pos_to_alloc(k.k->p, 0).offset;
578 			u64 end = bucket_gens_pos_to_alloc(bpos_nosnap_successor(k.k->p), 0).offset;
613 			*bucket_gen(ca, k.k->p.offset) = bch2_alloc_to_v4(k, &a)->gen;
683 			iter.pos.offset,
702 	unsigned offset;
703 	struct bpos pos = alloc_gens_pos(bucket, &offset);
727 	g->v.gens[offset] = gen;
765 		    !bch2_bucket_is_open_safe(c, new.k->p.inode, new.k->p.offset)) {
852 					new.k->p.inode, new.k->p.offset,
863 			*bucket_gen(ca, new.k->p.offset) = new_a->gen;
877 		    !bch2_bucket_is_open(c, new.k->p.inode, new.k->p.offset) &&
882 		    !bch2_bucket_is_open(c, new.k->p.inode, new.k->p.offset) &&
896 		struct bucket *g = gc_bucket(ca, new.k->p.offset);
938 		end = bkey_min(end, POS(iter->pos.inode, iter->pos.offset + U32_MAX - 1));
948 		BUG_ON(next.offset >= iter->pos.offset + U32_MAX);
956 		bch2_key_resize(hole, next.offset - iter->pos.offset);
971 		if (bucket->offset < ca->mi.first_bucket) {
972 			bucket->offset = ca->mi.first_bucket;
977 		bucket->offset = 0;
1012 			bch2_key_resize(hole, ca->mi.nbuckets - bucket.offset);
1040 			alloc_k.k->p.inode, alloc_k.k->p.offset))
1180 			freespace_iter->pos.offset,
1181 			end->offset)) {
1193 				min_t(u64, U32_MAX, end->offset -
1194 				      freespace_iter->pos.offset));
1240 					bucket_gens_pos_to_alloc(k.k->p, i).offset,
1286 	pos.offset &= ~(~0ULL << 56);
1287 	genbits = iter->pos.offset & (~0ULL << 56);
1297 			bch2_btree_id_str(iter->btree_id), pos.inode, pos.offset))
1310 			iter->pos.offset,
1341 	u64 start = bucket_gens_pos_to_alloc(k.k->p, 0).offset;
1342 	u64 end = bucket_gens_pos_to_alloc(bpos_nosnap_successor(k.k->p), 0).offset;
1691 	if (bch2_bucket_is_open_safe(c, pos.inode, pos.offset)) {
1698 			pos.inode, pos.offset)) {
1750 	if (discard_in_flight_add(c, SPOS(iter.pos.inode, iter.pos.offset, true)))
1763 				     k.k->p.offset * ca->mi.bucket_size,
1884 					     bucket.offset * ca->mi.bucket_size,
1924 	struct bpos bucket = u64_to_bucket(lru_k.k->p.offset);
1936 	if (bch2_bucket_is_open_safe(c, bucket.inode, bucket.offset))
1972 	trace_and_count(c, bucket_invalidate, c, bucket.inode, bucket.offset, cached_sectors);
2062 				 __func__, iter.pos.offset, ca->mi.nbuckets);