jbd2_journal_try_to_free_buffers 3400 fs/ext4/inode.c return jbd2_journal_try_to_free_buffers(journal, page, wait); jbd2_journal_try_to_free_buffers 1258 fs/ext4/super.c return jbd2_journal_try_to_free_buffers(journal, page, jbd2_journal_try_to_free_buffers 90 fs/jbd2/journal.c EXPORT_SYMBOL(jbd2_journal_try_to_free_buffers); jbd2_journal_try_to_free_buffers 1378 include/linux/jbd2.h extern int jbd2_journal_try_to_free_buffers(journal_t *, struct page *, gfp_t);