f2fs: fix using wrong 'submitted' value in f2fs_write_cache_pages

When f2fs_write_single_data_page fails, f2fs_write_cache_pages
will use the last 'submitted' value incorrectly, which will cause
'nwritten' and 'wbc->nr_to_write' calculation errors

Signed-off-by: zangyangyang1 <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>

Author: zangyangyang666

fs/f2fs/compress.c

@@ -1551,6 +1551,7 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
 		if (!clear_page_dirty_for_io(cc->rpages[i]))
 			goto continue_unlock;
 
+		submitted = 0;
 		ret = f2fs_write_single_data_page(page_folio(cc->rpages[i]),
 						&submitted,
 						NULL, NULL, wbc, io_type,

fs/f2fs/data.c

@@ -3154,6 +3154,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
 				continue;
 			}
 #endif
+			submitted = 0;
 			ret = f2fs_write_single_data_page(folio,
 					&submitted, &bio, &last_block,
 					wbc, io_type, 0, true);