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X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="264329474" X-IronPort-AV: E=Sophos;i="5.90,283,1643702400"; d="scan'208";a="264329474" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2022 20:13:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,283,1643702400"; d="scan'208";a="703804137" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 22 Apr 2022 20:13:40 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1ni6DL-000AwX-U1; Sat, 23 Apr 2022 03:13:39 +0000 Date: Sat, 23 Apr 2022 11:13:28 +0800 From: kernel test robot To: David Howells Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org Subject: [ammarfaizi2-block:dhowells/linux-fs/netfs-maple 30/44] fs/netfs/direct_read.c:198:3: error: expected expression Message-ID: <202204231010.5DHxVC96-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: tree: https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-maple head: 931e50676c6598d0eda1954ead465519ff91874d commit: d1c47ebbbed8921181b4573ba5736595bc3b787c [30/44] netfs: Support decryption on DIO read config: i386-randconfig-a015 (https://download.01.org/0day-ci/archive/20220423/202204231010.5DHxVC96-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5bd87350a5ae429baf8f373cb226a57b62f87280) 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://github.com/ammarfaizi2/linux-block/commit/d1c47ebbbed8921181b4573ba5736595bc3b787c git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/netfs-maple git checkout d1c47ebbbed8921181b4573ba5736595bc3b787c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> fs/netfs/direct_read.c:198:3: error: expected expression unsigned int min_bsize = 1ULL << ctx->min_bshift; ^ >> fs/netfs/direct_read.c:199:54: error: use of undeclared identifier 'min_bsize' unsigned long long start = round_down(rreq->start, min_bsize); ^ fs/netfs/direct_read.c:201:47: error: use of undeclared identifier 'min_bsize' round_up(rreq->start + rreq->len, min_bsize), ^ fs/netfs/direct_read.c:201:47: error: use of undeclared identifier 'min_bsize' fs/netfs/direct_read.c:199:22: warning: mixing declarations and code is incompatible with standards before C99 [-Wdeclaration-after-statement] unsigned long long start = round_down(rreq->start, min_bsize); ^ 1 warning and 4 errors generated. vim +198 fs/netfs/direct_read.c 116 117 /** 118 * netfs_direct_read_iter - Perform a direct I/O read 119 * @iocb: The I/O control descriptor describing the read 120 * @iter: The output buffer (also specifies read length) 121 */ 122 ssize_t netfs_direct_read_iter(struct kiocb *iocb, struct iov_iter *iter) 123 { 124 struct netfs_io_request *rreq; 125 struct netfs_i_context *ctx; 126 ssize_t n, ret; 127 128 _enter(""); 129 130 rreq = netfs_alloc_request(iocb->ki_filp->f_mapping, iocb->ki_filp, 131 iocb->ki_pos, iov_iter_count(iter), 132 NETFS_DIO_READ); 133 if (IS_ERR(rreq)) 134 return PTR_ERR(rreq); 135 136 ctx = netfs_i_context(rreq->inode); 137 netfs_stat(&netfs_n_rh_dio_read); 138 trace_netfs_read(rreq, rreq->start, rreq->len, netfs_read_trace_dio_read); 139 140 rreq->buffering = NETFS_DIRECT; 141 if (test_bit(NETFS_RREQ_CONTENT_ENCRYPTION, &rreq->flags)) { 142 static const enum netfs_buffering buffering[2][2] = { 143 /* [async][aligned] */ 144 [false][false] = NETFS_BOUNCE_DEC_COPY, 145 [false][true] = NETFS_BOUNCE_DEC_TO_DIRECT, 146 [true ][false] = NETFS_BOUNCE_DEC_COPY_BV, 147 [true ][true] = NETFS_BOUNCE_DEC_TO_DIRECT_BV, 148 }; 149 bool aligned = netfs_is_crypto_aligned(rreq, iter); 150 bool async = !is_sync_kiocb(iocb); 151 152 rreq->buffering = buffering[async][aligned]; 153 } 154 155 kdebug("remote_i %llx %llx %llx", 156 ctx->remote_i_size, rreq->i_size, i_size_read(netfs_inode(ctx))); 157 158 /* If this is an async op, we have to keep track of the destination 159 * buffer for ourselves as the caller's iterator will be trashed when 160 * we return. 161 * 162 * In such a case, extract an iterator to represent as much of the the 163 * output buffer as we can manage. Note that the extraction might not 164 * be able to allocate a sufficiently large bvec array and may shorten 165 * the request. 166 */ 167 switch (rreq->buffering) { 168 case NETFS_DIRECT: 169 case NETFS_BOUNCE_DEC_TO_DIRECT: 170 case NETFS_BOUNCE_DEC_COPY: 171 rreq->direct_iter = *iter; 172 rreq->len = iov_iter_count(&rreq->direct_iter); 173 break; 174 case NETFS_DIRECT_BV: 175 case NETFS_BOUNCE_DEC_TO_DIRECT_BV: 176 case NETFS_BOUNCE_DEC_COPY_BV: 177 n = extract_iter_to_iter(iter, rreq->len, &rreq->direct_iter, 178 &rreq->direct_bv); 179 if (n < 0) { 180 ret = n; 181 goto out; 182 } 183 rreq->direct_bv_count = n; 184 rreq->len = iov_iter_count(&rreq->direct_iter); 185 break; 186 default: 187 BUG(); 188 } 189 190 /* If we're going to use a bounce buffer, we need to set it up. We 191 * will then need to pad the request out to the minimum block size. 192 */ 193 switch (rreq->buffering) { 194 case NETFS_BOUNCE_DEC_TO_DIRECT: 195 case NETFS_BOUNCE_DEC_COPY: 196 case NETFS_BOUNCE_DEC_TO_DIRECT_BV: 197 case NETFS_BOUNCE_DEC_COPY_BV: > 198 unsigned int min_bsize = 1ULL << ctx->min_bshift; > 199 unsigned long long start = round_down(rreq->start, min_bsize); -- 0-DAY CI Kernel Test Service https://01.org/lkp