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Tue, 28 Jun 2022 19:25:29 +0000 Date: Wed, 29 Jun 2022 03:25:06 +0800 From: kernel test robot To: David Howells Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Jeff Layton Subject: [jlayton:netfs-linked-list 32/54] fs/netfs/output.c:274:25: warning: unused variable 'cookie' Message-ID: <202206290345.wPdhFKn5-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git netfs-linked-list head: d35a2461e039c9131e97bb125eac59a0f04e9161 commit: feb78625e48b167397af0355efac9bcf3b545d42 [32/54] netfs: Dispatch write requests to process a writeback slice config: x86_64-randconfig-a004-20220627 (https://download.01.org/0day-ci/archive/20220629/202206290345.wPdhFKn5-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project df18167ac56d05f2ab55f9d874aee7ab6d5bc9a2) 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/jlayton/linux.git/commit/?id=feb78625e48b167397af0355efac9bcf3b545d42 git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git git fetch --no-tags jlayton netfs-linked-list git checkout feb78625e48b167397af0355efac9bcf3b545d42 # 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=x86_64 SHELL=/bin/bash fs/netfs/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): fs/netfs/output.c:274:49: error: incompatible pointer types passing 'struct inode *' to parameter of type 'struct netfs_inode *' [-Werror,-Wincompatible-pointer-types] struct fscache_cookie *cookie = netfs_i_cookie(wreq->inode); ^~~~~~~~~~~ include/linux/netfs.h:413:73: note: passing argument to parameter 'ctx' here static inline struct fscache_cookie *netfs_i_cookie(struct netfs_inode *ctx) ^ >> fs/netfs/output.c:274:25: warning: unused variable 'cookie' [-Wunused-variable] struct fscache_cookie *cookie = netfs_i_cookie(wreq->inode); ^ 1 warning and 1 error generated. vim +/cookie +274 fs/netfs/output.c 266 267 /* 268 * Set up a op for writing to the cache. 269 */ 270 static void netfs_set_up_write_to_cache(struct netfs_io_request *wreq) 271 { 272 struct netfs_cache_resources *cres; 273 struct netfs_io_subrequest *subreq; > 274 struct fscache_cookie *cookie = netfs_i_cookie(wreq->inode); 275 loff_t start = wreq->first * PAGE_SIZE; 276 size_t len = (wreq->last - wreq->first + 1) * PAGE_SIZE; 277 int ret; 278 279 if (!fscache_cookie_enabled(cookie)) { 280 clear_bit(NETFS_RREQ_WRITE_TO_CACHE, &wreq->flags); 281 return; 282 } 283 284 _debug("write to cache"); 285 subreq = netfs_create_write_request(wreq, NETFS_WRITE_TO_CACHE, start, len, 286 netfs_write_to_cache_op_worker); 287 if (!subreq) 288 return; 289 290 cres = &wreq->cache_resources; 291 ret = -ENOBUFS; 292 if (wreq->netfs_ops->begin_cache_operation) 293 ret = wreq->netfs_ops->begin_cache_operation(wreq); 294 if (ret < 0) { 295 netfs_write_subrequest_terminated(subreq, ret, false); 296 return; 297 } 298 299 ret = cres->ops->prepare_write(cres, &start, &len, i_size_read(wreq->inode), 300 true); 301 if (ret < 0) { 302 netfs_write_subrequest_terminated(subreq, ret, false); 303 return; 304 } 305 306 netfs_queue_write_request(subreq); 307 } 308 -- 0-DAY CI Kernel Test Service https://01.org/lkp