mapping_cap_writeback_dirty  704 fs/fs-writeback.c 	if (!mapping_cap_writeback_dirty(inode->i_mapping))
mapping_cap_writeback_dirty  217 mm/filemap.c   	if (!mapping_cap_writeback_dirty(mapping))
mapping_cap_writeback_dirty  329 mm/filemap.c   	if (!mapping_cap_writeback_dirty(mapping) || !count)
mapping_cap_writeback_dirty  361 mm/filemap.c   	if (!mapping_cap_writeback_dirty(mapping) || !count)