597 			      "bucket %u:%zu data type %s ptr gen %u missing in alloc btree\n"  in bch2_check_fix_ptrs()
601 			      p.ptr.gen,  in bch2_check_fix_ptrs()
606 				g->gen			= p.ptr.gen;  in bch2_check_fix_ptrs()
612 		if (gen_cmp(p.ptr.gen, g->gen) > 0 &&  in bch2_check_fix_ptrs()
615 			      "bucket %u:%zu data type %s ptr gen in the future: %u > %u\n"  in bch2_check_fix_ptrs()
619 			      p.ptr.gen, g->gen,  in bch2_check_fix_ptrs()
624 				g->gen			= p.ptr.gen;  in bch2_check_fix_ptrs()
634 		if (gen_cmp(g->gen, p.ptr.gen) > BUCKET_GC_GEN_MAX &&  in bch2_check_fix_ptrs()
637 			      "bucket %u:%zu gen %u data type %s: ptr gen %u too stale\n"  in bch2_check_fix_ptrs()
639 			      p.ptr.dev, PTR_BUCKET_NR(ca, &p.ptr), g->gen,  in bch2_check_fix_ptrs()
641 			      p.ptr.gen,  in bch2_check_fix_ptrs()
646 		if (!p.ptr.cached && gen_cmp(p.ptr.gen, g->gen) < 0 &&  in bch2_check_fix_ptrs()
653 			      p.ptr.gen, g->gen,  in bch2_check_fix_ptrs()
658 		if (data_type != BCH_DATA_btree && p.ptr.gen != g->gen)  in bch2_check_fix_ptrs()
734 				ptr->gen = g->gen;  in bch2_check_fix_ptrs()
743 				 (!g->gen_valid || gen_cmp(ptr->gen, g->gen) > 0)) ||  in bch2_check_fix_ptrs()
745 				 gen_cmp(ptr->gen, g->gen) < 0) ||  in bch2_check_fix_ptrs()
746 				gen_cmp(g->gen, ptr->gen) > BUCKET_GC_GEN_MAX ||  in bch2_check_fix_ptrs()
1352 	return  l.gen != r.gen				||  in bch2_alloc_v4_cmp()
1410 	if (gen_after(old->gen, gc.gen))  in bch2_alloc_write_key()
1416 			"bucket %llu:%llu gen %u has wrong data_type"  in bch2_alloc_write_key()
1419 			gc.gen,  in bch2_alloc_write_key()
1427 			"bucket %llu:%llu gen %u data type %s has wrong " #_f	\  in bch2_alloc_write_key()
1430 			gc.gen,						\  in bch2_alloc_write_key()
1436 			  gen);  in bch2_alloc_write_key()
1518 			g->gen		= a->gen;  in bch2_gc_alloc_start()
1867 		u8 *gen = &ca->oldest_gen[PTR_BUCKET_NR(ca, ptr)];  in gc_btree_gens_key()  local
1869 		if (gen_after(*gen, ptr->gen))  in gc_btree_gens_key()
1870 			*gen = ptr->gen;  in gc_btree_gens_key()