Try fix size.

stalkerg · stalkerg · commit 375d915647cf · 2016-03-02T16:16:50.000+03:00
diff --git a/backup.c b/backup.c
@@ -328,7 +328,7 @@ do_backup_database(parray *backup_list, pgBackupOption bkupopt)
 		 */
 		if (current.backup_mode == BACKUP_MODE_DIFF_PAGE ||
 			current.backup_mode == BACKUP_MODE_DIFF_PTRACK)
-			current.data_bytes += file->read_size;
+			current.data_bytes += file->write_size;
 		else if (current.backup_mode == BACKUP_MODE_FULL)
 			current.data_bytes += file->size;
 	}
diff --git a/data.c b/data.c
@@ -213,12 +213,14 @@ backup_data_file(const char *from_root, const char *to_root,
 				return copy_file(from_root, to_root, file);
 			}
 
-			file->read_size += read_len;
+			
 
 			/* if the page has not been modified since last backup, skip it */
 			if (lsn && !XLogRecPtrIsInvalid(page_lsn) && page_lsn < *lsn)
 				continue;
 
+			file->read_size += read_len;
+			
 			upper_offset = header.hole_offset + header.hole_length;
 			upper_length = BLCKSZ - upper_offset;
 

Original file line number	Diff line number	Diff line change
`@@ -328,7 +328,7 @@ do_backup_database(parray *backup_list, pgBackupOption bkupopt)`
`328`	`328`	`*/`
`329`	`329`	`if (current.backup_mode == BACKUP_MODE_DIFF_PAGE \|\|`
`330`	`330`	`current.backup_mode == BACKUP_MODE_DIFF_PTRACK)`
`331`		`- current.data_bytes += file->read_size;`
	`331`	`+ current.data_bytes += file->write_size;`
`332`	`332`	`else if (current.backup_mode == BACKUP_MODE_FULL)`
`333`	`333`	`current.data_bytes += file->size;`
`334`	`334`	`}`