journal_next_log_block 575 fs/jbd/commit.c err = journal_next_log_block(journal, &blocknr); journal_next_log_block 629 fs/jbd/journal.c err = journal_next_log_block(journal, &blocknr); journal_next_log_block 837 include/linux/jbd.h int journal_next_log_block(journal_t *, unsigned long *);