jbd2_journal_invalidatepage 2970 fs/ext4/inode.c 	jbd2_journal_invalidatepage(journal, page, offset);
jbd2_journal_invalidatepage  670 fs/ocfs2/aops.c 	jbd2_journal_invalidatepage(journal, page, offset);
jbd2_journal_invalidatepage 1043 include/linux/jbd2.h extern void	 jbd2_journal_invalidatepage(journal_t *,