Hi OGAWA, [auto build test WARNING on ext4/dev] [also build test WARNING on v4.5-rc5 next-20160224] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/OGAWA-Hirofumi/ext4-jbd2-Fix-jbd2_journal_destory-for-umount-path/20160225-195750 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev reproduce: make htmldocs All warnings (new ones prefixed by >>): include/linux/jbd2.h:434: warning: No description found for parameter 'i_transaction' include/linux/jbd2.h:434: warning: No description found for parameter 'i_next_transaction' include/linux/jbd2.h:434: warning: No description found for parameter 'i_list' include/linux/jbd2.h:434: warning: No description found for parameter 'i_vfs_inode' include/linux/jbd2.h:434: warning: No description found for parameter 'i_flags' include/linux/jbd2.h:490: warning: No description found for parameter 'h_rsv_handle' include/linux/jbd2.h:490: warning: No description found for parameter 'h_reserved' include/linux/jbd2.h:490: warning: No description found for parameter 'h_type' include/linux/jbd2.h:490: warning: No description found for parameter 'h_line_no' include/linux/jbd2.h:490: warning: No description found for parameter 'h_start_jiffies' include/linux/jbd2.h:490: warning: No description found for parameter 'h_requested_credits' include/linux/jbd2.h:490: warning: No description found for parameter 'h_lockdep_map' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_chkpt_bhs[JBD2_NR_BATCH]' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_devname[BDEVNAME_SIZE+24]' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_average_commit_time' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_min_batch_time' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_max_batch_time' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_commit_callback' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_failed_commit' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_chksum_driver' include/linux/jbd2.h:1033: warning: No description found for parameter 'j_csum_seed' include/linux/jbd2.h:1033: warning: Excess struct/union/enum/typedef member 'j_history' description in 'journal_s' include/linux/jbd2.h:1033: warning: Excess struct/union/enum/typedef member 'j_history_max' description in 'journal_s' include/linux/jbd2.h:1033: warning: Excess struct/union/enum/typedef member 'j_history_cur' description in 'journal_s' >> fs/jbd2/journal.c:1438: warning: No description found for parameter 'write_op' fs/jbd2/transaction.c:429: warning: No description found for parameter 'rsv_blocks' fs/jbd2/transaction.c:429: warning: No description found for parameter 'gfp_mask' fs/jbd2/transaction.c:429: warning: No description found for parameter 'type' fs/jbd2/transaction.c:429: warning: No description found for parameter 'line_no' fs/jbd2/transaction.c:505: warning: No description found for parameter 'type' fs/jbd2/transaction.c:505: warning: No description found for parameter 'line_no' fs/jbd2/transaction.c:635: warning: No description found for parameter 'gfp_mask' vim +/write_op +1438 fs/jbd2/journal.c 24bcc89c Jan Kara 2012-03-13 1422 WARN_ON(!sb->s_sequence); f7f4bccb Mingming Cao 2006-10-11 1423 journal->j_flags &= ~JBD2_FLUSHED; 24bcc89c Jan Kara 2012-03-13 1424 write_unlock(&journal->j_state_lock); 6f6a6fda Joseph Qi 2015-06-15 1425 6f6a6fda Joseph Qi 2015-06-15 1426 out: 6f6a6fda Joseph Qi 2015-06-15 1427 return ret; 24bcc89c Jan Kara 2012-03-13 1428 } 24bcc89c Jan Kara 2012-03-13 1429 24bcc89c Jan Kara 2012-03-13 1430 /** 24bcc89c Jan Kara 2012-03-13 1431 * jbd2_mark_journal_empty() - Mark on disk journal as empty. 24bcc89c Jan Kara 2012-03-13 1432 * @journal: The journal to update. 24bcc89c Jan Kara 2012-03-13 1433 * 24bcc89c Jan Kara 2012-03-13 1434 * Update a journal's dynamic superblock fields to show that journal is empty. 24bcc89c Jan Kara 2012-03-13 1435 * Write updated superblock to disk waiting for IO to complete. 24bcc89c Jan Kara 2012-03-13 1436 */ b16feb49 OGAWA Hirofumi 2016-02-25 1437 static void jbd2_mark_journal_empty(journal_t *journal, int write_op) 24bcc89c Jan Kara 2012-03-13 @1438 { 24bcc89c Jan Kara 2012-03-13 1439 journal_superblock_t *sb = journal->j_superblock; 24bcc89c Jan Kara 2012-03-13 1440 a78bb11d Jan Kara 2012-03-13 1441 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); 24bcc89c Jan Kara 2012-03-13 1442 read_lock(&journal->j_state_lock); eeecef0a Eric Sandeen 2012-08-18 1443 /* Is it already empty? */ eeecef0a Eric Sandeen 2012-08-18 1444 if (sb->s_start == 0) { eeecef0a Eric Sandeen 2012-08-18 1445 read_unlock(&journal->j_state_lock); eeecef0a Eric Sandeen 2012-08-18 1446 return; :::::: The code at line 1438 was first introduced by commit :::::: 24bcc89c7e7c64982e6192b4952a0a92379fc341 jbd2: split updating of journal superblock and marking journal empty :::::: TO: Jan Kara <jack@xxxxxxx> :::::: CC: Theodore Ts'o <tytso@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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