jbd2_journal_blocks_per_page  352 fs/ext4/ext4_jbd2.h 		return jbd2_journal_blocks_per_page(inode);
jbd2_journal_blocks_per_page   88 fs/jbd2/journal.c EXPORT_SYMBOL(jbd2_journal_blocks_per_page);
jbd2_journal_blocks_per_page 1547 include/linux/jbd2.h extern int jbd2_journal_blocks_per_page(struct inode *inode);