nlmsvc_unlock_all_by_sb  363 fs/nfsd/nfsctl.c 	error = nlmsvc_unlock_all_by_sb(nd.path.mnt->mnt_sb);
nlmsvc_unlock_all_by_sb  272 include/linux/lockd/lockd.h int           nlmsvc_unlock_all_by_sb(struct super_block *sb);