Hi Mingzhe, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.5-rc2 next-20230718] [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/Mingzhe-Zou/bcache-Separate-bch_moving_gc-from-bch_btree_gc/20230718-195022 base: linus/master patch link: https://lore.kernel.org/r/20230717124143.171-2-mingzhe.zou%40easystack.cn patch subject: [PATCH 2/3] bcache: Separate bch_moving_gc() from bch_btree_gc() config: arc-randconfig-r043-20230718 (https://download.01.org/0day-ci/archive/20230719/202307191019.6OQTEaHw-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307191019.6OQTEaHw-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202307191019.6OQTEaHw-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/asm-generic/bug.h:22, from arch/arc/include/asm/bug.h:30, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/preempt.h:5, from ./arch/arc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:79, from include/linux/spinlock.h:56, from include/linux/wait.h:9, from include/linux/mempool.h:8, from include/linux/bio.h:8, from drivers/md/bcache/bcache.h:181, from drivers/md/bcache/movinggc.c:8: drivers/md/bcache/movinggc.c: In function 'bch_moving_gc': >> drivers/md/bcache/movinggc.c:236:18: error: 'struct cache_set' has no member named 'sb' 236 | c->sb.set_uuid, sectors_to_move, ca->heap.used); | ^~ include/linux/printk.h:427:33: note: in definition of macro 'printk_index_wrap' 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:528:9: note: in expansion of macro 'printk' 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/md/bcache/movinggc.c:235:9: note: in expansion of macro 'pr_info' 235 | pr_info("moving gc: on set %pU, %lu sectors from %zu buckets", | ^~~~~~~ vim +236 drivers/md/bcache/movinggc.c 196 197 void bch_moving_gc(struct cache_set *c) 198 { 199 struct cache *ca = c->cache; 200 struct bucket *b; 201 unsigned long sectors_to_move, reserve_sectors; 202 203 c->cache->only_moving_gc = 0; 204 205 if (!c->copy_gc_enabled) 206 return; 207 208 mutex_lock(&c->bucket_lock); 209 210 sectors_to_move = 0; 211 reserve_sectors = ca->sb.bucket_size * 212 fifo_used(&ca->free[RESERVE_MOVINGGC]); 213 214 ca->heap.used = 0; 215 216 for_each_bucket(b, ca) { 217 if (GC_MOVE(b) || GC_MARK(b) == GC_MARK_METADATA || 218 !b->gc_sectors_used || 219 b->gc_sectors_used == ca->sb.bucket_size || 220 atomic_read(&b->pin)) 221 continue; 222 223 if (!heap_full(&ca->heap)) { 224 sectors_to_move += b->gc_sectors_used; 225 heap_add(&ca->heap, b, bucket_cmp); 226 } else if (bucket_cmp(b, heap_peek(&ca->heap))) { 227 sectors_to_move -= bucket_heap_top(ca); 228 sectors_to_move += b->gc_sectors_used; 229 230 ca->heap.data[0] = b; 231 heap_sift(&ca->heap, 0, bucket_cmp); 232 } 233 } 234 235 pr_info("moving gc: on set %pU, %lu sectors from %zu buckets", > 236 c->sb.set_uuid, sectors_to_move, ca->heap.used); 237 238 while (sectors_to_move > reserve_sectors) { 239 heap_pop(&ca->heap, b, bucket_cmp); 240 sectors_to_move -= b->gc_sectors_used; 241 } 242 243 while (heap_pop(&ca->heap, b, bucket_cmp)) 244 SET_GC_MOVE(b, 1); 245 246 mutex_unlock(&c->bucket_lock); 247 248 c->moving_gc_keys.last_scanned = ZERO_KEY; 249 250 read_moving(c); 251 } 252 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki