Hi Jingbo, Thank you for the patch! Yet something to improve: [auto build test ERROR on xiang-erofs/dev-test] [also build test ERROR on trondmy-nfs/linux-next cifs/for-next linus/master v6.1-rc2 next-20221027] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jingbo-Xu/fscache-netfs-decouple-raw-fscache-APIs-from-libnetfs/20221027-163946 base: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test patch link: https://lore.kernel.org/r/20221027083547.46933-10-jefflexu%40linux.alibaba.com patch subject: [PATCH 9/9] fscache,netfs: move "fscache_" prefixed structures to fscache.h config: sh-allmodconfig compiler: sh4-linux-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/a3c5c0f70f13603ed27cc7f5245981eb46dad405 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jingbo-Xu/fscache-netfs-decouple-raw-fscache-APIs-from-libnetfs/20221027-163946 git checkout a3c5c0f70f13603ed27cc7f5245981eb46dad405 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): fs/fscache/stats.c: In function 'fscache_stats_show': >> fs/fscache/stats.c:100:9: error: implicit declaration of function 'netfs_stats_show' [-Werror=implicit-function-declaration] 100 | netfs_stats_show(m); | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/netfs_stats_show +100 fs/fscache/stats.c 8e7a867bb7309fb David Howells 2021-10-20 51 1e1236b841166f1 David Howells 2021-10-20 52 /* 1e1236b841166f1 David Howells 2021-10-20 53 * display the general statistics 1e1236b841166f1 David Howells 2021-10-20 54 */ 1e1236b841166f1 David Howells 2021-10-20 55 int fscache_stats_show(struct seq_file *m, void *v) 1e1236b841166f1 David Howells 2021-10-20 56 { 1e1236b841166f1 David Howells 2021-10-20 57 seq_puts(m, "FS-Cache statistics\n"); 7f3283aba39a0f3 David Howells 2021-10-20 58 seq_printf(m, "Cookies: n=%d v=%d vcol=%u voom=%u\n", 7f3283aba39a0f3 David Howells 2021-10-20 59 atomic_read(&fscache_n_cookies), 62ab63352350e88 David Howells 2021-10-20 60 atomic_read(&fscache_n_volumes), 62ab63352350e88 David Howells 2021-10-20 61 atomic_read(&fscache_n_volumes_collision), 62ab63352350e88 David Howells 2021-10-20 62 atomic_read(&fscache_n_volumes_nomem) 62ab63352350e88 David Howells 2021-10-20 63 ); 1e1236b841166f1 David Howells 2021-10-20 64 7f3283aba39a0f3 David Howells 2021-10-20 65 seq_printf(m, "Acquire: n=%u ok=%u oom=%u\n", 7f3283aba39a0f3 David Howells 2021-10-20 66 atomic_read(&fscache_n_acquires), 7f3283aba39a0f3 David Howells 2021-10-20 67 atomic_read(&fscache_n_acquires_ok), 7f3283aba39a0f3 David Howells 2021-10-20 68 atomic_read(&fscache_n_acquires_oom)); 7f3283aba39a0f3 David Howells 2021-10-20 69 12bb21a29c19aae David Howells 2021-10-20 70 seq_printf(m, "LRU : n=%u exp=%u rmv=%u drp=%u at=%ld\n", 12bb21a29c19aae David Howells 2021-10-20 71 atomic_read(&fscache_n_cookies_lru), 12bb21a29c19aae David Howells 2021-10-20 72 atomic_read(&fscache_n_cookies_lru_expired), 12bb21a29c19aae David Howells 2021-10-20 73 atomic_read(&fscache_n_cookies_lru_removed), 12bb21a29c19aae David Howells 2021-10-20 74 atomic_read(&fscache_n_cookies_lru_dropped), 12bb21a29c19aae David Howells 2021-10-20 75 timer_pending(&fscache_cookie_lru_timer) ? 12bb21a29c19aae David Howells 2021-10-20 76 fscache_cookie_lru_timer.expires - jiffies : 0); 12bb21a29c19aae David Howells 2021-10-20 77 d24af13e2e2358a David Howells 2021-10-20 78 seq_printf(m, "Invals : n=%u\n", d24af13e2e2358a David Howells 2021-10-20 79 atomic_read(&fscache_n_invalidates)); d24af13e2e2358a David Howells 2021-10-20 80 16a96bdf92d5af0 David Howells 2021-10-20 81 seq_printf(m, "Updates: n=%u rsz=%u rsn=%u\n", 16a96bdf92d5af0 David Howells 2021-10-20 82 atomic_read(&fscache_n_updates), 16a96bdf92d5af0 David Howells 2021-10-20 83 atomic_read(&fscache_n_resizes), 16a96bdf92d5af0 David Howells 2021-10-20 84 atomic_read(&fscache_n_resizes_null)); 7f3283aba39a0f3 David Howells 2021-10-20 85 7f3283aba39a0f3 David Howells 2021-10-20 86 seq_printf(m, "Relinqs: n=%u rtr=%u drop=%u\n", 7f3283aba39a0f3 David Howells 2021-10-20 87 atomic_read(&fscache_n_relinquishes), 7f3283aba39a0f3 David Howells 2021-10-20 88 atomic_read(&fscache_n_relinquishes_retire), 7f3283aba39a0f3 David Howells 2021-10-20 89 atomic_read(&fscache_n_relinquishes_dropped)); 7f3283aba39a0f3 David Howells 2021-10-20 90 9f08ebc3438baaa David Howells 2021-10-22 91 seq_printf(m, "NoSpace: nwr=%u ncr=%u cull=%u\n", 3929eca769b5a23 David Howells 2021-10-21 92 atomic_read(&fscache_n_no_write_space), 9f08ebc3438baaa David Howells 2021-10-22 93 atomic_read(&fscache_n_no_create_space), 9f08ebc3438baaa David Howells 2021-10-22 94 atomic_read(&fscache_n_culled)); 3929eca769b5a23 David Howells 2021-10-21 95 8e7a867bb7309fb David Howells 2021-10-20 96 seq_printf(m, "IO : rd=%u wr=%u\n", 8e7a867bb7309fb David Howells 2021-10-20 97 atomic_read(&fscache_n_read), 8e7a867bb7309fb David Howells 2021-10-20 98 atomic_read(&fscache_n_write)); 8e7a867bb7309fb David Howells 2021-10-20 99 1e1236b841166f1 David Howells 2021-10-20 @100 netfs_stats_show(m); -- 0-DAY CI Kernel Test Service https://01.org/lkp