tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-folio-regions head: 215a4ee495a95cc73256ed76f91cb78bcabd6b8e commit: f3e6e00066254822783e68e4c3bf9f8904f6ab6a [16/28] netfs: Send write request to multiple destinations config: arc-randconfig-r043-20210818 (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/com... git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git git fetch --no-tags dhowells-fs netfs-folio-regions git checkout f3e6e00066254822783e68e4c3bf9f8904f6ab6a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/netfs/objects.c: In function 'netfs_alloc_write_request': 125 | if (!is_dio && netfs_is_cache_enabled(ctx)) { | ^~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/netfs_is_cache_enabled +125 fs/netfs/objects.c 114 115 struct netfs_write_request *netfs_alloc_write_request(struct address_space *mapping, 116 bool is_dio) 117 { 118 static atomic_t debug_ids; 119 struct inode *inode = mapping->host; 120 struct netfs_i_context *ctx = netfs_i_context(inode); 121 struct netfs_write_request *wreq; 122 unsigned int n_streams = ctx->n_wstreams, i; 123 bool cached = false; 124 126 n_streams++; 127 cached = true; 128 } 129 130 wreq = kzalloc(struct_size(wreq, streams, n_streams), GFP_KERNEL); 131 if (wreq) { 132 wreq->mapping = mapping; 133 wreq->inode = inode; 134 wreq->netfs_ops = ctx->ops; 135 wreq->max_streams = n_streams; 136 wreq->debug_id = atomic_inc_return(&debug_ids); 137 if (cached) 138 __set_bit(NETFS_WREQ_WRITE_TO_CACHE, &wreq->flags); 139 xa_init(&wreq->buffer); 140 INIT_WORK(&wreq->work, netfs_writeback_worker); 141 for (i = 0; i < n_streams; i++) 142 INIT_LIST_HEAD(&wreq->streams[i].subrequests); 143 refcount_set(&wreq->usage, 1); 144 atomic_set(&wreq->outstanding, 1); 145 ctx->ops->init_wreq(wreq); 146 netfs_stat(&netfs_n_wh_wreq); 147 trace_netfs_ref_wreq(wreq->debug_id, 1, netfs_wreq_trace_new); 148 } 149 150 return wreq; 151 } 152 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org