tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 1c1825ed0360fc09f928a4b2e1300f7b718df8dc commit: 33ba25cc4869bab81ad31784e7bbb25e5da2a2ad [2668/2668] anolis: fscache,cachefiles: add fscache_prepare_read() helper config: x86_64-randconfig-121-20250108 (https://download.01.org/0day-ci/archive/20250110/202501100858.H4pnEZpa-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/20250110/202501100858.H4pnEZpa-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/202501100858.H4pnEZpa-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)

...

fs/cachefiles/rdwr.c:860:6: sparse: sparse: symbol 'cachefiles_readpages_work_func' was not declared. Should it be static?

fs/cachefiles/rdwr.c:1106:25: sparse: sparse: self-comparison always evaluates to true

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