handleClientsBlockedOnKeys() refactoring.
handleClientsBlockedOnKeys() refactoring.

antirez/redis,ofirluzon/redis,soveran/redis,neomantra/redis,PKRoma/redis,neomantra/redis,yossigo/redis,pmem/redis,soloestoy/redis,pmem/redis,antirez/redis,soveran/redis,soloestoy/redis,charsyam/redis,antirez/redis,yossigo/redis,neomantra/redis,ofirluzon/redis,ctripcorp/redis,soloestoy/redis,oranagra/redis,antirez/redis,neomantra/redis,PKRoma/redis,ctripcorp/redis,ofirluzon/redis,soloestoy/redis,PKRoma/redis,PKRoma/redis,ofirluzon/redis,soveran/redis,soveran/redis,oranagra/redis,yossigo/redis,charsyam/redis,PKRoma/redis,neomantra/redis,ctripcorp/redis,yossigo/redis,oranagra/redis,ofirluzon/redis,charsyam/redis,charsyam/redis,oranagra/redis,charsyam/redis,pmem/redis,pmem/redis,yossigo/redis,soloestoy/redis,oranagra/redis,ctripcorp/redis