jbd2_write_superblock 1421 fs/jbd2/journal.c 	ret = jbd2_write_superblock(journal, write_op);
jbd2_write_superblock 1460 fs/jbd2/journal.c 	jbd2_write_superblock(journal, write_op);
jbd2_write_superblock 1488 fs/jbd2/journal.c 	jbd2_write_superblock(journal, REQ_SYNC | REQ_FUA);
jbd2_write_superblock  342 include/trace/events/jbd2.h TRACE_EVENT(jbd2_write_superblock,