Added forgotten locks after reverting a couple of methods.
Added forgotten locks after reverting a couple of methods.

rstutsman/RAMCloud,jblomer/ramcloud,y-higuchi/ramcloud,QingkaiLu/RAMCloud,jcarreira/ramcloud,mrdiegoa/ramcloud,SMatsushi/RAMCloud,taschik/ramcloud,anirajk/RAMCloud,rstutsman/RAMCloud,Frank-Wu/RamCloud,taschik/ramcloud,alexandermerritt/ramcloud,y-higuchi/ramcloud,anirajk/RAMCloud,matrix207/RAMCloud,rstutsman/RAMCloud,behnamm/cs244b_project,rstutsman/RAMCloud,alexandermerritt/ramcloud,jcarreira/ramcloud,behnamm/cs244b_project,DavidLi2010/ramcloud,matrix207/RAMCloud,mrdiegoa/ramcloud,jblomer/ramcloud,alexandermerritt/ramcloud,SMatsushi/RAMCloud,Frank-Wu/RamCloud,y-higuchi/ramcloud,mrdiegoa/ramcloud,IMCG/RamCloud,IMCG/RamCloud,jcarreira/ramcloud,anirajk/RAMCloud,Frank-Wu/RamCloud,DavidLi2010/ramcloud,utah-scs/RAMCloud,anirajk/RAMCloud,alexandermerritt/ramcloud,utah-scs/RAMCloud,jblomer/ramcloud,QingkaiLu/RAMCloud,QingkaiLu/RAMCloud,jcarreira/ramcloud,jblomer/ramcloud,behnamm/cs244b_project,utah-scs/RAMCloud,utah-scs/RAMCloud,DavidLi2010/ramcloud,DavidLi2010/ramcloud,y-higuchi/ramcloud,IMCG/RamCloud,QingkaiLu/RAMCloud,QingkaiLu/RAMCloud,anirajk/RAMCloud,matrix207/RAMCloud,QingkaiLu/RAMCloud,IMCG/RamCloud,rstutsman/RAMCloud,jblomer/ramcloud,IMCG/RamCloud,utah-scs/RAMCloud,SMatsushi/RAMCloud,Frank-Wu/RamCloud,DavidLi2010/ramcloud,matrix207/RAMCloud,alexandermerritt/ramcloud,Frank-Wu/RamCloud,mrdiegoa/ramcloud,jblomer/ramcloud,utah-scs/RAMCloud,behnamm/cs244b_project,behnamm/cs244b_project,rstutsman/RAMCloud,taschik/ramcloud,SMatsushi/RAMCloud,jcarreira/ramcloud,taschik/ramcloud,mrdiegoa/ramcloud,behnamm/cs244b_project,DavidLi2010/ramcloud,y-higuchi/ramcloud,SMatsushi/RAMCloud,y-higuchi/ramcloud,anirajk/RAMCloud,alexandermerritt/ramcloud,jcarreira/ramcloud,Frank-Wu/RamCloud,taschik/ramcloud,IMCG/RamCloud,matrix207/RAMCloud,mrdiegoa/ramcloud,matrix207/RAMCloud,SMatsushi/RAMCloud