ext4_should_writeback_data 2325 fs/ext4/inode.c if (test_opt(inode->i_sb, NOBH) && ext4_should_writeback_data(inode)) ext4_should_writeback_data 2599 fs/ext4/inode.c } else if (ext4_should_writeback_data(inode)) { ext4_should_writeback_data 3152 fs/ext4/inode.c else if (ext4_should_writeback_data(inode) && ext4_should_writeback_data 3155 fs/ext4/inode.c else if (ext4_should_writeback_data(inode)) ext4_should_writeback_data 3192 fs/ext4/inode.c ext4_should_writeback_data(inode) && PageUptodate(page)) {