[bcachefs:bcachefs-testing 97/97] fs/bcachefs/btree_iter.c:3411:69: error: use of undeclared identifier 'ck'

[kernel test robot <lkp@intel.com>]

tree:   https://evilpiepirate.org/git/bcachefs.git bcachefs-testing
head:   e514088a9cf20c9729c12fb6cf92de291fb7cca6
commit: e514088a9cf20c9729c12fb6cf92de291fb7cca6 [97/97] debug per paul
config: s390-defconfig (https://download.01.org/0day-ci/archive/20240609/202406091840.plSRX5vC-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240609/202406091840.plSRX5vC-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406091840.plSRX5vC-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from fs/bcachefs/btree_iter.c:3:
   In file included from fs/bcachefs/bcachefs.h:188:
   In file included from include/linux/bio.h:10:
   In file included from include/linux/blk_types.h:10:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/mm.h:2253:
   include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     500 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     501 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     507 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     508 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     519 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     520 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     528 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     529 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> fs/bcachefs/btree_iter.c:3411:69: error: use of undeclared identifier 'ck'
    3411 |                 WARN_ON_ONCE(poll_state_synchronize_srcu(&c->btree_trans_barrier, ck->btree_trans_barrier_seq));
         |                                                                                   ^
   5 warnings and 1 error generated.


vim +/ck +3411 fs/bcachefs/btree_iter.c

  3376	
  3377	void bch2_fs_btree_iter_exit(struct bch_fs *c)
  3378	{
  3379		struct btree_transaction_stats *s;
  3380		struct btree_trans *trans;
  3381		int cpu;
  3382	
  3383		if (c->btree_trans_bufs)
  3384			for_each_possible_cpu(cpu) {
  3385				struct btree_trans *trans =
  3386					per_cpu_ptr(c->btree_trans_bufs, cpu)->trans;
  3387	
  3388				if (trans) {
  3389					closure_sync(&trans->ref);
  3390	
  3391					seqmutex_lock(&c->btree_trans_lock);
  3392					list_del(&trans->list);
  3393					seqmutex_unlock(&c->btree_trans_lock);
  3394				}
  3395				kfree(trans);
  3396			}
  3397		free_percpu(c->btree_trans_bufs);
  3398	
  3399		trans = list_first_entry_or_null(&c->btree_trans_list, struct btree_trans, list);
  3400		if (trans)
  3401			panic("%s leaked btree_trans\n", trans->fn);
  3402	
  3403		for (s = c->btree_transaction_stats;
  3404		     s < c->btree_transaction_stats + ARRAY_SIZE(c->btree_transaction_stats);
  3405		     s++) {
  3406			kfree(s->max_paths_text);
  3407			bch2_time_stats_exit(&s->lock_hold_times);
  3408		}
  3409	
  3410		if (c->btree_trans_barrier_initialized) {
> 3411			WARN_ON_ONCE(poll_state_synchronize_srcu(&c->btree_trans_barrier, ck->btree_trans_barrier_seq));
  3412			cleanup_srcu_struct(&c->btree_trans_barrier);
  3413		}
  3414		mempool_exit(&c->btree_trans_mem_pool);
  3415		mempool_exit(&c->btree_trans_pool);
  3416	}
  3417	

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