row0uins.c	Partial fix to the DROP TABLE + another user rolls back in that table problem
row0umod.c	Partial fix to the DROP TABLE + another user rolls back in that table problem
os0file.c	Reduce probability of deadlock bugs in connection with ibuf: do not let the ibuf i/o handler sleep


innobase/os/os0file.c:
  Reduce probability of deadlock bugs in connection with ibuf: do not let the ibuf i/o handler sleep
innobase/row/row0uins.c:
  Partial fix to the DROP TABLE + another user rolls back in that table problem
innobase/row/row0umod.c:
  Partial fix to the DROP TABLE + another user rolls back in that table problem
innobase/row/row0sel.c:
  Fix a bug in multiversioned reads through a secondary index