From aa28b51f3c5434253c1788927100fb0b6e41bdbb Mon Sep 17 00:00:00 2001
From: Kefu Chai <kchai@redhat.com>
Date: Wed, 9 Sep 2020 10:08:20 +0800
Subject: [PATCH] crimson: use seastar::make_ready_future()

instead of seastar::now(). as seastar::now() was moved into
seastar/util/laster.hh.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---
 src/crimson/common/throttle.cc   | 4 ++--
 src/crimson/net/Interceptor.h    | 2 +-
 src/crimson/net/Socket.cc        | 6 +++---
 src/crimson/osd/object_context.h | 4 ++--
 src/crimson/osd/osd_operation.h  | 4 ++--
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/crimson/common/throttle.cc b/src/crimson/common/throttle.cc
index 4ddf77dee227a..bd919518107a2 100644
--- a/src/crimson/common/throttle.cc
+++ b/src/crimson/common/throttle.cc
@@ -27,13 +27,13 @@ int64_t Throttle::put(int64_t c)
 seastar::future<> Throttle::get(size_t c)
 {
   if (!max) {
-    return seastar::now();
+    return seastar::make_ready_future<>();
   }
   return on_free_slots.wait([this, c] {
     return !_should_wait(c);
   }).then([this, c] {
     count += c;
-    return seastar::now();
+    return seastar::make_ready_future<>();
   });
 }
 
diff --git a/src/crimson/net/Interceptor.h b/src/crimson/net/Interceptor.h
index fcd3ea6f469cf..dfa2183ec03a8 100644
--- a/src/crimson/net/Interceptor.h
+++ b/src/crimson/net/Interceptor.h
@@ -59,7 +59,7 @@ class socket_blocker {
   seastar::future<> wait_blocked() {
     ceph_assert(!p_blocked);
     if (p_unblocked) {
-      return seastar::now();
+      return seastar::make_ready_future<>();
     } else {
       p_blocked = seastar::abort_source();
       return seastar::sleep_abortable(10s, *p_blocked).then([] {
diff --git a/src/crimson/net/Socket.cc b/src/crimson/net/Socket.cc
index 5fa41e646bc6f..24608b2d802cb 100644
--- a/src/crimson/net/Socket.cc
+++ b/src/crimson/net/Socket.cc
@@ -133,7 +133,7 @@ seastar::future<> Socket::close() {
     in.close(),
     close_and_handle_errors(out)
   ).then_unpack([] {
-    return seastar::now();
+    return seastar::make_ready_future<>();
   }).handle_exception([] (auto eptr) {
     logger().error("Socket::close(): unexpected exception {}", eptr);
     ceph_abort();
@@ -159,7 +159,7 @@ seastar::future<> Socket::try_trap_pre(bp_action_t& trap) {
    default:
     ceph_abort("unexpected action from trap");
   }
-  return seastar::now();
+  return seastar::make_ready_future<>();
 }
 
 seastar::future<> Socket::try_trap_post(bp_action_t& trap) {
@@ -175,7 +175,7 @@ seastar::future<> Socket::try_trap_post(bp_action_t& trap) {
    default:
     ceph_abort("unexpected action from trap");
   }
-  return seastar::now();
+  return seastar::make_ready_future<>();
 }
 
 void Socket::set_trap(bp_type_t type, bp_action_t action, socket_blocker* blocker_) {
diff --git a/src/crimson/osd/object_context.h b/src/crimson/osd/object_context.h
index c7d70c193446c..6a2ba9f2c877c 100644
--- a/src/crimson/osd/object_context.h
+++ b/src/crimson/osd/object_context.h
@@ -140,10 +140,10 @@ public:
     case RWState::RWEXCL:
       return get_lock(op, [this] { return rwstate.get_excl_lock(); });
     case RWState::RWNONE:
-      return seastar::now();
+      return seastar::make_ready_future<>();
     default:
       ceph_abort_msg("invalid lock type");
-      return seastar::now();
+      return seastar::make_ready_future<>();
     }
   }
 
diff --git a/src/crimson/osd/osd_operation.h b/src/crimson/osd/osd_operation.h
index d6919ddfc0005..ef975f7545f9d 100644
--- a/src/crimson/osd/osd_operation.h
+++ b/src/crimson/osd/osd_operation.h
@@ -169,7 +169,7 @@ blocking_future<> join_blocking_futures(T &&t) {
       [](auto &&bf) {
 	return std::move(bf.fut);
       }).then([agg=std::move(agg)] {
-	return seastar::now();
+	return seastar::make_ready_future<>();
       }));
 }
 
@@ -349,7 +349,7 @@ public:
       if (cont)
 	return with_throttle_while(op, params, f);
       else
-	return seastar::now();
+	return seastar::make_ready_future<>();
     });
   }
 protected:
-- 
2.39.5