f2fs_is_dirty_device 3177 fs/f2fs/f2fs.h bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, f2fs_is_dirty_device 587 fs/f2fs/segment.c if (!f2fs_is_dirty_device(sbi, ino, i, FLUSH_INO))