tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: b5ec139da1a4916dfc9644ee3d9426dbd6f23c13 commit: 33ba25cc4869bab81ad31784e7bbb25e5da2a2ad [2882/2882] anolis: fscache,cachefiles: add fscache_prepare_read() helper config: x86_64-buildonly-randconfig-2003-20250502 (https://download.01.org/0day-ci/archive/20250604/202506041325.btoa4Y26-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250604/202506041325.btoa4Y26-lkp@i...) 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/202506041325.btoa4Y26-lkp@intel.com/ All warnings (new ones prefixed by >>):
fs/cachefiles/rdwr.c:860:6: warning: no previous prototype for 'cachefiles_readpages_work_func' [-Wmissing-prototypes] 860 | void cachefiles_readpages_work_func(struct work_struct *work) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/cachefiles_readpages_work_func +860 fs/cachefiles/rdwr.c 859
860 void cachefiles_readpages_work_func(struct work_struct *work) 861 { 862 struct cachefiles_kiocb *ki = container_of(work, struct cachefiles_kiocb, work); 863 int ret; 864 865 ret = vfs_iocb_iter_read(ki->iocb.ki_filp, &ki->iocb, &ki->iter); 866 /* complete the request if there's any progress or error occurred */ 867 if (ret != -EIOCBQUEUED) { 868 struct fscache_retrieval *op = ki->op; 869 unsigned int nr_pages = atomic_read(&op->n_pages); 870 unsigned int done_pages = 0; 871 int i, error; 872 873 if (ret > 0) 874 done_pages = ret / PAGE_SIZE; 875 876 for (i = 0; i < nr_pages; i++) { 877 error = i < done_pages ? 0 : -EIO; 878 fscache_end_io(op, ki->bvs[i].bv_page, error); 879 } 880 881 fscache_retrieval_complete(op, nr_pages); 882 fscache_put_retrieval(op); 883 kfree(ki); 884 } 885 } 886
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