mapping_empty
if (mapping_empty(mapping))
if (mapping_empty(mapping) || wbc->sync_mode != WB_SYNC_ALL)
(mapping_empty(inode->i_mapping) && !need_resched())) {
if (mapping_empty(inode->i_mapping))
GLOCK_BUG_ON(gl, !mapping_empty(mapping));
if (!mapping_empty(&inode->i_data)) {
if (mapping_empty(mapping))
if (!mapping_empty(mapping)) {
if (mapping_empty(mapping))