mapping_shrinkable
if (!mapping_shrinkable(&inode->i_data))
!mapping_shrinkable(&inode->i_data)) {
if (mapping_shrinkable(mapping))
if (mapping_shrinkable(mapping))
if (mapping_shrinkable(mapping))
if (mapping_shrinkable(mapping))
if (mapping_shrinkable(mapping))
if (mapping_shrinkable(mapping))
if (mapping_shrinkable(mapping))