- ret = __process_pages_contig(inode->i_mapping, locked_page, delalloc_start,
- delalloc_end, PAGE_LOCK, &processed_end);
- if (ret == -EAGAIN && processed_end > delalloc_start)
- __unlock_for_delalloc(inode, locked_page, delalloc_start,
- processed_end);
- return ret;
+ folio_batch_init(&fbatch);
+ while (index <= end_index) {
+ unsigned int found_folios, i;
+
+ found_folios = filemap_get_folios_contig(mapping, &index,
+ end_index, &fbatch);
+ if (found_folios == 0)
+ goto out;
+
+ for (i = 0; i < found_folios; i++) {
+ struct page *page = &fbatch.folios[i]->page;
+ u32 len = end + 1 - start;
+
+ if (page == locked_page)
+ continue;
+
+ if (btrfs_page_start_writer_lock(fs_info, page, start,
+ len))
+ goto out;
+
+ if (!PageDirty(page) || page->mapping != mapping) {
+ btrfs_page_end_writer_lock(fs_info, page, start,
+ len);
+ goto out;
+ }
+
+ processed_end = page_offset(page) + PAGE_SIZE - 1;
+ }
+ folio_batch_release(&fbatch);
+ cond_resched();
+ }
+
+ return 0;
+out:
+ folio_batch_release(&fbatch);
+ if (processed_end > start)
+ __unlock_for_delalloc(inode, locked_page, start, processed_end);
+ return -EAGAIN;