Hi Zhang, Thank you for the patch! Yet something to improve: [auto build test ERROR on ext4/dev] [also build test ERROR on linus/master v5.12-rc6 next-20210408] [cannot apply to tytso-fscrypt/master] [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] url: https://github.com/0day-ci/linux/commits/Zhang-Yi/ext4-fix-two-issue-abou... base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev config: alpha-randconfig-m031-20210408 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/1cd15af09e1887501090c23700b696d43... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Zhang-Yi/ext4-fix-two-issue-about-bdev_try_to_free_page/20210408-193105 git checkout 1cd15af09e1887501090c23700b696d43ebf39ca # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/ocfs2/journal.c: In function 'ocfs2_journal_shutdown': 1012 | if (!jbd2_journal_destroy(journal->j_journal) && !status) { | ^ vim +1012 fs/ocfs2/journal.c ccd979bdbce9fb Mark Fasheh 2005-12-15 955 ccd979bdbce9fb Mark Fasheh 2005-12-15 956 /* ccd979bdbce9fb Mark Fasheh 2005-12-15 957 * If the journal has been kmalloc'd it needs to be freed after this ccd979bdbce9fb Mark Fasheh 2005-12-15 958 * call. ccd979bdbce9fb Mark Fasheh 2005-12-15 959 */ ccd979bdbce9fb Mark Fasheh 2005-12-15 960 void ocfs2_journal_shutdown(struct ocfs2_super *osb) ccd979bdbce9fb Mark Fasheh 2005-12-15 961 { ccd979bdbce9fb Mark Fasheh 2005-12-15 962 struct ocfs2_journal *journal = NULL; ccd979bdbce9fb Mark Fasheh 2005-12-15 963 int status = 0; ccd979bdbce9fb Mark Fasheh 2005-12-15 964 struct inode *inode = NULL; ccd979bdbce9fb Mark Fasheh 2005-12-15 965 int num_running_trans = 0; ccd979bdbce9fb Mark Fasheh 2005-12-15 966 ebdec83ba46c12 Eric Sesterhenn / snakebyte 2006-01-27 967 BUG_ON(!osb); ccd979bdbce9fb Mark Fasheh 2005-12-15 968 ccd979bdbce9fb Mark Fasheh 2005-12-15 969 journal = osb->journal; ccd979bdbce9fb Mark Fasheh 2005-12-15 970 if (!journal) ccd979bdbce9fb Mark Fasheh 2005-12-15 971 goto done; ccd979bdbce9fb Mark Fasheh 2005-12-15 972 ccd979bdbce9fb Mark Fasheh 2005-12-15 973 inode = journal->j_inode; ccd979bdbce9fb Mark Fasheh 2005-12-15 974 ccd979bdbce9fb Mark Fasheh 2005-12-15 975 if (journal->j_state != OCFS2_JOURNAL_LOADED) ccd979bdbce9fb Mark Fasheh 2005-12-15 976 goto done; ccd979bdbce9fb Mark Fasheh 2005-12-15 977 2b4e30fbde4258 Joel Becker 2008-09-03 978 /* need to inc inode use count - jbd2_journal_destroy will iput. */ ccd979bdbce9fb Mark Fasheh 2005-12-15 979 if (!igrab(inode)) ccd979bdbce9fb Mark Fasheh 2005-12-15 980 BUG(); ccd979bdbce9fb Mark Fasheh 2005-12-15 981 ccd979bdbce9fb Mark Fasheh 2005-12-15 982 num_running_trans = atomic_read(&(osb->journal->j_num_trans)); b41079504c786e Tao Ma 2011-02-24 983 trace_ocfs2_journal_shutdown(num_running_trans); ccd979bdbce9fb Mark Fasheh 2005-12-15 984 ccd979bdbce9fb Mark Fasheh 2005-12-15 985 /* Do a commit_cache here. It will flush our journal, *and* ccd979bdbce9fb Mark Fasheh 2005-12-15 986 * release any locks that are still held. ccd979bdbce9fb Mark Fasheh 2005-12-15 987 * set the SHUTDOWN flag and release the trans lock. ccd979bdbce9fb Mark Fasheh 2005-12-15 988 * the commit thread will take the trans lock for us below. */ ccd979bdbce9fb Mark Fasheh 2005-12-15 989 journal->j_state = OCFS2_JOURNAL_IN_SHUTDOWN; ccd979bdbce9fb Mark Fasheh 2005-12-15 990 ccd979bdbce9fb Mark Fasheh 2005-12-15 991 /* The OCFS2_JOURNAL_IN_SHUTDOWN will signal to commit_cache to not ccd979bdbce9fb Mark Fasheh 2005-12-15 992 * drop the trans_lock (which we want to hold until we ccd979bdbce9fb Mark Fasheh 2005-12-15 993 * completely destroy the journal. */ ccd979bdbce9fb Mark Fasheh 2005-12-15 994 if (osb->commit_task) { ccd979bdbce9fb Mark Fasheh 2005-12-15 995 /* Wait for the commit thread */ b41079504c786e Tao Ma 2011-02-24 996 trace_ocfs2_journal_shutdown_wait(osb->commit_task); ccd979bdbce9fb Mark Fasheh 2005-12-15 997 kthread_stop(osb->commit_task); ccd979bdbce9fb Mark Fasheh 2005-12-15 998 osb->commit_task = NULL; ccd979bdbce9fb Mark Fasheh 2005-12-15 999 } ccd979bdbce9fb Mark Fasheh 2005-12-15 1000 ccd979bdbce9fb Mark Fasheh 2005-12-15 1001 BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0); ccd979bdbce9fb Mark Fasheh 2005-12-15 1002 c271c5c22b0a7c Sunil Mushran 2006-12-05 1003 if (ocfs2_mount_local(osb)) { 2b4e30fbde4258 Joel Becker 2008-09-03 1004 jbd2_journal_lock_updates(journal->j_journal); 2b4e30fbde4258 Joel Becker 2008-09-03 1005 status = jbd2_journal_flush(journal->j_journal); 2b4e30fbde4258 Joel Becker 2008-09-03 1006 jbd2_journal_unlock_updates(journal->j_journal); c271c5c22b0a7c Sunil Mushran 2006-12-05 1007 if (status < 0) c271c5c22b0a7c Sunil Mushran 2006-12-05 1008 mlog_errno(status); c271c5c22b0a7c Sunil Mushran 2006-12-05 1009 } c271c5c22b0a7c Sunil Mushran 2006-12-05 1010 d85400af790dba Junxiao Bi 2018-12-28 1011 /* Shutdown the kernel journal system */ d85400af790dba Junxiao Bi 2018-12-28 @1012 if (!jbd2_journal_destroy(journal->j_journal) && !status) { c271c5c22b0a7c Sunil Mushran 2006-12-05 1013 /* c271c5c22b0a7c Sunil Mushran 2006-12-05 1014 * Do not toggle if flush was unsuccessful otherwise c271c5c22b0a7c Sunil Mushran 2006-12-05 1015 * will leave dirty metadata in a "clean" journal c271c5c22b0a7c Sunil Mushran 2006-12-05 1016 */ 539d8264093560 Sunil Mushran 2008-07-14 1017 status = ocfs2_journal_toggle_dirty(osb, 0, 0); ccd979bdbce9fb Mark Fasheh 2005-12-15 1018 if (status < 0) ccd979bdbce9fb Mark Fasheh 2005-12-15 1019 mlog_errno(status); c271c5c22b0a7c Sunil Mushran 2006-12-05 1020 } ae0dff683076b2 Sunil Mushran 2008-10-22 1021 journal->j_journal = NULL; ccd979bdbce9fb Mark Fasheh 2005-12-15 1022 ccd979bdbce9fb Mark Fasheh 2005-12-15 1023 OCFS2_I(inode)->ip_open_count--; ccd979bdbce9fb Mark Fasheh 2005-12-15 1024 ccd979bdbce9fb Mark Fasheh 2005-12-15 1025 /* unlock our journal */ e63aecb651ba73 Mark Fasheh 2007-10-18 1026 ocfs2_inode_unlock(inode, 1); ccd979bdbce9fb Mark Fasheh 2005-12-15 1027 ccd979bdbce9fb Mark Fasheh 2005-12-15 1028 brelse(journal->j_bh); ccd979bdbce9fb Mark Fasheh 2005-12-15 1029 journal->j_bh = NULL; ccd979bdbce9fb Mark Fasheh 2005-12-15 1030 ccd979bdbce9fb Mark Fasheh 2005-12-15 1031 journal->j_state = OCFS2_JOURNAL_FREE; ccd979bdbce9fb Mark Fasheh 2005-12-15 1032 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org