rpc: handle future<> return type of an rpc handler properly
rpc: handle future<> return type of an rpc handler properly

wildinto/seastar,aruanruan/scylla,sjperkins/seastar,leejir/seastar,avikivity/seastar,dwdm/seastar,avikivity/seastar,bowlofstew/scylla,tempbottle/seastar,xtao/seastar,guiquanz/scylla,victorbriz/scylla,flashbuckets/seastar,jonathanleang/seastar,victorbriz/scylla,respu/scylla,linearregression/seastar,chunshengster/seastar,shaunstanislaus/scylla,dwdm/scylla,respu/scylla,rluta/scylla,capturePointer/scylla,norcimo5/seastar,wildinto/seastar,koolhazz/seastar,shyamalschandra/seastar,rluta/scylla,acbellini/seastar,rentongzhang/scylla,avikivity/scylla,leejir/seastar,dwdm/seastar,anzihenry/seastar,flashbuckets/seastar,mixja/seastar,raphaelsc/scylla,avikivity/seastar,stamhe/seastar,tempbottle/seastar,mixja/seastar,phonkee/scylla,kangkot/scylla,dwdm/seastar,sjperkins/seastar,xtao/seastar,capturePointer/scylla,acbellini/seastar,cloudius-systems/seastar,syuu1228/seastar,scylladb/scylla,scylladb/scylla,acbellini/scylla,wildinto/scylla,anzihenry/seastar,justintung/scylla,norcimo5/seastar,duarten/scylla,ducthangho/imdb,guiquanz/scylla,glommer/scylla,linearregression/scylla,rentongzhang/scylla,dwdm/scylla,acbellini/scylla,duarten/scylla,dwdm/scylla,senseb/scylla,wildinto/scylla,rentongzhang/scylla,raphaelsc/scylla,kjniemi/scylla,eklitzke/scylla,printedheart/seastar,kjniemi/seastar,hongliangzhao/seastar,asias/scylla,scylladb/seastar,bzero/seastar,respu/scylla,syuu1228/seastar,eklitzke/scylla,capturePointer/scylla,scylladb/scylla-seastar,asias/scylla,senseb/scylla,scylladb/scylla-seastar,kjniemi/seastar,joerg84/seastar,tempbottle/scylla,phonkee/scylla,sjperkins/seastar,wildinto/seastar,bowlofstew/scylla,wildinto/scylla,linearregression/seastar,leejir/seastar,scylladb/scylla,jonathanleang/seastar,scylladb/scylla,raphaelsc/scylla,eklitzke/scylla,justintung/scylla,tempbottle/seastar,aruanruan/scylla,ducthangho/imdb,senseb/scylla,acbellini/seastar,linearregression/scylla,tempbottle/scylla,chunshengster/seastar,flashbuckets/seastar,kjniemi/scylla,rluta/scylla,kjniemi/seastar,guiquanz/scylla,hongliangzhao/seastar,kjniemi/scylla,avikivity/scylla,bowlofstew/seastar,shaunstanislaus/scylla,chunshengster/seastar,joerg84/seastar,duarten/scylla,linearregression/scylla,koolhazz/seastar,gwicke/scylla,tempbottle/scylla,bzero/seastar,cloudius-systems/seastar,aruanruan/scylla,syuu1228/seastar,linearregression/seastar,bowlofstew/scylla,victorbriz/scylla,xtao/seastar,stamhe/seastar,joerg84/seastar,scylladb/seastar,gwicke/scylla,glommer/scylla,phonkee/scylla,avikivity/scylla,dreamsxin/seastar,stamhe/scylla,gwicke/scylla,glommer/scylla,cloudius-systems/seastar,dreamsxin/seastar,ducthangho/imdb,scylladb/seastar,shyamalschandra/seastar,asias/scylla,stamhe/scylla,printedheart/seastar,bowlofstew/seastar,printedheart/seastar,mixja/seastar,kangkot/scylla,scylladb/scylla-seastar,anzihenry/seastar,shaunstanislaus/scylla,dreamsxin/seastar,bowlofstew/seastar,jonathanleang/seastar,hongliangzhao/seastar,stamhe/seastar,bzero/seastar,stamhe/scylla,koolhazz/seastar,acbellini/scylla,norcimo5/seastar,shyamalschandra/seastar,justintung/scylla,kangkot/scylla