jbd2_journal_enable_debug 52 fs/jbd2/journal.c ushort jbd2_journal_enable_debug __read_mostly; jbd2_journal_enable_debug 53 fs/jbd2/journal.c EXPORT_SYMBOL(jbd2_journal_enable_debug); jbd2_journal_enable_debug 55 fs/jbd2/journal.c module_param_named(jbd2_debug, jbd2_journal_enable_debug, ushort, 0644); jbd2_journal_enable_debug 109 fs/jbd2/journal.c if (level > jbd2_journal_enable_debug) jbd2_journal_enable_debug 129 fs/jbd2/transaction.c if (jbd2_journal_enable_debug && jbd2_journal_enable_debug 56 include/linux/jbd2.h extern ushort jbd2_journal_enable_debug;