fs/f2fs/compress.c

105 		if (!cc->rpages[i])
108 			unlock_page(cc->rpages[i]);
110 			put_page(cc->rpages[i]);
130 		if (!cc->rpages[i])
133 			redirty_page_for_writepage(wbc, cc->rpages[i]);
134 		f2fs_put_page(cc->rpages[i], unlock);
140 	return ((struct compress_io_ctx *)page_private(page))->rpages[0];
145 	if (cc->rpages)
148 	cc->rpages = page_array_alloc(cc->inode, cc->cluster_size);
149 	return cc->rpages ? 0 : -ENOMEM;
154 	page_array_free(cc->inode, cc->rpages, cc->cluster_size);
155 	cc->rpages = NULL;
171 	cc->rpages[cluster_ofs] = page;
655 	cc->rbuf = f2fs_vmap(cc->rpages, cc->cluster_size);
883 		struct page *page = cc->rpages[i];
1029 		if (cc->rpages[i])
1030 			set_page_writeback(cc->rpages[i]);
1039 		if (cc->rpages[i]) {
1040 			set_page_dirty(cc->rpages[i]);
1041 			set_page_private_gcing(cc->rpages[i]);
1098 		f2fs_bug_on(sbi, cc->rpages[i]);
1119 		*fsdata = cc->rpages;
1120 		*pagep = cc->rpages[offset_in_cluster(cc, index)];
1140 		.rpages = NULL,
1155 		.rpages = fsdata,
1157 	bool first_index = (index == cc.rpages[0]->index);
1196 		struct page **rpages = fsdata;
1201 			loff_t start = rpages[i]->index << PAGE_SHIFT;
1204 				zero_user_segment(rpages[i], 0, PAGE_SIZE);
1206 				zero_user_segment(rpages[i], from - start,
1252 		mapping_set_error(cc->rpages[0]->mapping, -EIO);
1279 	psize = (loff_t)(cc->rpages[last_index]->index + 1) << PAGE_SHIFT;
1294 	cic->rpages = page_array_alloc(cc->inode, cc->cluster_size);
1295 	if (!cic->rpages)
1302 					cc->rpages[i + 1]->index, cic);
1312 			fio.page = cc->rpages[i + 1];
1323 		cic->rpages[i] = cc->rpages[i];
1329 		fio.page = cc->rpages[i];
1393 	page_array_free(cc->inode, cic->rpages, cc->cluster_size);
1436 		WARN_ON(!cic->rpages[i]);
1437 		clear_page_private_gcing(cic->rpages[i]);
1438 		end_page_writeback(cic->rpages[i]);
1441 	page_array_free(cic->inode, cic->rpages, cic->nr_rpages);
1458 		if (!cc->rpages[i])
1461 		redirty_page_for_writepage(wbc, cc->rpages[i]);
1462 		unlock_page(cc->rpages[i]);
1473 		if (!cc->rpages[i])
1476 		lock_page(cc->rpages[i]);
1478 		if (cc->rpages[i]->mapping != mapping) {
1480 			unlock_page(cc->rpages[i]);
1484 		if (!PageDirty(cc->rpages[i]))
1487 		if (PageWriteback(cc->rpages[i])) {
1490 			f2fs_wait_on_page_writeback(cc->rpages[i], DATA, true, true);
1493 		if (!clear_page_dirty_for_io(cc->rpages[i]))
1496 		ret = f2fs_write_single_data_page(cc->rpages[i], &submitted,
1501 				unlock_page(cc->rpages[i]);
1584 		if (dic->rpages[i]) {
1585 			dic->tpages[i] = dic->rpages[i];
1639 	dic->rpages = page_array_alloc(cc->inode, cc->cluster_size);
1640 	if (!dic->rpages) {
1657 		dic->rpages[i] = cc->rpages[i];
1695 			if (dic->rpages[i])
1713 	page_array_free(dic->inode, dic->rpages, dic->nr_rpages);
1746 		struct page *rpage = dic->rpages[i];
1784 		struct page *rpage = dic->rpages[i];