1 files changed, 18 insertions, 1 deletions
diff --git a/storage/innobase/include/log0recv.h b/storage/innobase/include/log0recv.h
index 6d75e15a..a73b7279 100644
--- a/storage/innobase/include/log0recv.h
+++ b/storage/innobase/include/log0recv.h
@@ -44,6 +44,11 @@ ATTRIBUTE_COLD MY_ATTRIBUTE((nonnull, warn_unused_result))
 @return whether the page was recovered correctly */
 bool recv_recover_page(fil_space_t* space, buf_page_t* bpage);
 
+/** Read the latest checkpoint information from log file
+and store it in log_sys.next_checkpoint and recv_sys.file_checkpoint
+@return error code or DB_SUCCESS */
+dberr_t recv_recovery_read_checkpoint();
+
 /** Start recovering from a redo log checkpoint.
 of first system tablespace page
 @return error code or DB_SUCCESS */
@@ -114,7 +119,19 @@ struct recv_dblwr_t
   @param name      tablespace filepath
   @param file      tablespace file handle
   @return whether the operation failed */
-  bool restore_first_page(uint32_t space_id, const char *name, os_file_t file);
+  bool restore_first_page(uint32_t space_id, const char *name,
+                          pfs_os_file_t file);
+
+  /** Restore the first page of the given tablespace from
+  doublewrite buffer.
+  1) Find the page which has page_no as 0
+  2) Read first 3 pages from tablespace file
+  3) Compare the space_ids from the pages with page0 which
+  was retrieved from doublewrite buffer
+  @param name tablespace filepath
+  @param file tablespace file handle
+  @return space_id or 0 in case of error */
+  uint32_t find_first_page(const char *name, pfs_os_file_t file);
 
   typedef std::deque<byte*, ut_allocator<byte*> > list;