CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Coly Li <col...@suse.de> CC: Hannes Reinecke <h...@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git nvdimm-meta head: e9d63ebcb289612237d5a62fa9876114798555eb commit: 83cf31104f672925fccbdfabf3d5f14a78a9e568 [10/12] bcache: support storing bcache journal into NVDIMM meta device :::::: branch date: 13 hours ago :::::: commit date: 13 hours ago config: powerpc-randconfig-s032-20210726 (attached as .config) compiler: powerpc-linux-gcc (GCC) 10.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git/commit/?id=83cf31104f672925fccbdfabf3d5f14a78a9e568 git remote add bcache https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git git fetch --no-tags bcache nvdimm-meta git checkout 83cf31104f672925fccbdfabf3d5f14a78a9e568 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/md/bcache/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) drivers/md/bcache/journal.c: note: in included file (through drivers/md/bcache/bcache.h): include/uapi/linux/bcache.h:362:38: sparse: sparse: array of flexible structures drivers/md/bcache/journal.c: note: in included file (through drivers/md/bcache/bcache.h): drivers/md/bcache/bset.h:231:36: sparse: sparse: array of flexible structures drivers/md/bcache/journal.c:829:17: sparse: sparse: context imbalance in 'journal_write_unlocked' - unexpected unlock >> drivers/md/bcache/journal.c:860:13: sparse: sparse: context imbalance in >> 'journal_write' - wrong count at exit drivers/md/bcache/journal.c:876:9: sparse: sparse: context imbalance in 'journal_try_write' - different lock contexts for basic block vim +/journal_write +860 drivers/md/bcache/journal.c 83cf31104f6729 Coly Li 2021-07-24 818 83cf31104f6729 Coly Li 2021-07-24 819 static void journal_write_unlocked(struct closure *cl) 83cf31104f6729 Coly Li 2021-07-24 820 { 83cf31104f6729 Coly Li 2021-07-24 821 struct cache_set *c = container_of(cl, struct cache_set, journal.io); 83cf31104f6729 Coly Li 2021-07-24 822 struct cache *ca = c->cache; 83cf31104f6729 Coly Li 2021-07-24 823 struct journal_write *w = c->journal.cur; 83cf31104f6729 Coly Li 2021-07-24 824 83cf31104f6729 Coly Li 2021-07-24 825 if (!w->need_write) { 83cf31104f6729 Coly Li 2021-07-24 826 closure_return_with_destructor(cl, journal_write_unlock); 83cf31104f6729 Coly Li 2021-07-24 827 return; 83cf31104f6729 Coly Li 2021-07-24 828 } else if (journal_full(&c->journal)) { 83cf31104f6729 Coly Li 2021-07-24 @829 journal_reclaim(c); 83cf31104f6729 Coly Li 2021-07-24 830 spin_unlock(&c->journal.lock); 83cf31104f6729 Coly Li 2021-07-24 831 83cf31104f6729 Coly Li 2021-07-24 832 btree_flush_write(c); 83cf31104f6729 Coly Li 2021-07-24 833 continue_at(cl, journal_write, bch_journal_wq); 83cf31104f6729 Coly Li 2021-07-24 834 return; 83cf31104f6729 Coly Li 2021-07-24 835 } 83cf31104f6729 Coly Li 2021-07-24 836 83cf31104f6729 Coly Li 2021-07-24 837 c->journal.blocks_free -= set_blocks(w->data, block_bytes(ca)); 83cf31104f6729 Coly Li 2021-07-24 838 83cf31104f6729 Coly Li 2021-07-24 839 w->data->btree_level = c->root->level; 83cf31104f6729 Coly Li 2021-07-24 840 83cf31104f6729 Coly Li 2021-07-24 841 bkey_copy(&w->data->btree_root, &c->root->key); 83cf31104f6729 Coly Li 2021-07-24 842 bkey_copy(&w->data->uuid_bucket, &c->uuid_bucket); 83cf31104f6729 Coly Li 2021-07-24 843 83cf31104f6729 Coly Li 2021-07-24 844 w->data->prio_bucket[ca->sb.nr_this_dev] = ca->prio_buckets[0]; 83cf31104f6729 Coly Li 2021-07-24 845 w->data->magic = jset_magic(&ca->sb); 83cf31104f6729 Coly Li 2021-07-24 846 w->data->version = BCACHE_JSET_VERSION; 83cf31104f6729 Coly Li 2021-07-24 847 w->data->last_seq = last_seq(&c->journal); 83cf31104f6729 Coly Li 2021-07-24 848 w->data->csum = csum_set(w->data); 83cf31104f6729 Coly Li 2021-07-24 849 83cf31104f6729 Coly Li 2021-07-24 850 if (!bch_has_feature_nvdimm_meta(&ca->sb)) 83cf31104f6729 Coly Li 2021-07-24 851 __journal_write_unlocked(c); 83cf31104f6729 Coly Li 2021-07-24 852 #if defined(CONFIG_BCACHE_NVM_PAGES) 83cf31104f6729 Coly Li 2021-07-24 853 else 83cf31104f6729 Coly Li 2021-07-24 854 __journal_nvdimm_write_unlocked(c); 83cf31104f6729 Coly Li 2021-07-24 855 #endif cafe563591446c Kent Overstreet 2013-03-23 856 cafe563591446c Kent Overstreet 2013-03-23 857 continue_at(cl, journal_write_done, NULL); cafe563591446c Kent Overstreet 2013-03-23 858 } cafe563591446c Kent Overstreet 2013-03-23 859 cafe563591446c Kent Overstreet 2013-03-23 @860 static void journal_write(struct closure *cl) cafe563591446c Kent Overstreet 2013-03-23 861 { 7857d5d470ec53 Kent Overstreet 2013-10-08 862 struct cache_set *c = container_of(cl, struct cache_set, journal.io); cafe563591446c Kent Overstreet 2013-03-23 863 cafe563591446c Kent Overstreet 2013-03-23 864 spin_lock(&c->journal.lock); cafe563591446c Kent Overstreet 2013-03-23 865 journal_write_unlocked(cl); cafe563591446c Kent Overstreet 2013-03-23 866 } cafe563591446c Kent Overstreet 2013-03-23 867 :::::: The code at line 860 was first introduced by commit :::::: cafe563591446cf80bfbc2fe3bc72a2e36cf1060 bcache: A block layer cache :::::: TO: Kent Overstreet <koverstr...@google.com> :::::: CC: Kent Overstreet <koverstr...@google.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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