Applied innodb-4.1-ss20 snapshot.


innobase/btr/btr0sea.c:
  Applied innodb-4.1-ss20 snapshot.
    Account for a race condition when dropping the adaptive
    hash index for a B-tree page (Bug #16582).
    btr_search_drop_page_hash_index(): Retry the operation if a hash
    index with different parameters was built meanwhile. Add
    diagnostics for the case that hash node pointers to the page
    remain. This fix is from Heikki.
    btr_search_info_update_hash(), btr_search_info_update_slow():
    Document the parameter "info" as in/out.
innobase/fil/fil0fil.c:
  Applied innodb-4.1-ss20 snapshot.
    Keep track on unflushed modifications to file spaces. When
    there are tens of thousnads of file spaces, flushing all files
    in fil_flush_file_spaces() would be very slow (Bug #16582).
    fil_flush_file_spaces(): Only flush unflushed file spaces.
    fil_space_t, fil_system_t: Add a list of unflushed spaces.
innobase/include/btr0sea.ic:
  Applied innodb-4.1-ss20 snapshot.
    btr_search_info_update_hash(), btr_search_info_update_slow():
    Document the parameter "info" as in/out.