BufferPool --> ResourceQuota
diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 60f0ab2..8a4a17e 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -114,9 +114,9 @@
   grpc_init();
 
   /* Create endpoints */
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("bad_client_test");
-  sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 65536);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("bad_client_test");
+  sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 65536);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
 
   /* Create server, completion events */
   a.server = grpc_server_create(NULL, NULL);
diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index 1c9332a..caaa97c 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -47,8 +47,6 @@
 extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
 extern void binary_metadata_pre_init(void);
-extern void buffer_pool_server(grpc_end2end_test_config config);
-extern void buffer_pool_server_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
 extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
@@ -113,6 +111,8 @@
 extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
 extern void request_with_payload_pre_init(void);
+extern void resource_quota_server(grpc_end2end_test_config config);
+extern void resource_quota_server_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
 extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
@@ -137,7 +137,6 @@
   g_pre_init_called = true;
   bad_hostname_pre_init();
   binary_metadata_pre_init();
-  buffer_pool_server_pre_init();
   cancel_after_accept_pre_init();
   cancel_after_client_done_pre_init();
   cancel_after_invoke_pre_init();
@@ -170,6 +169,7 @@
   registered_call_pre_init();
   request_with_flags_pre_init();
   request_with_payload_pre_init();
+  resource_quota_server_pre_init();
   server_finishes_request_pre_init();
   shutdown_finishes_calls_pre_init();
   shutdown_finishes_tags_pre_init();
@@ -190,7 +190,6 @@
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
-    buffer_pool_server(config);
     cancel_after_accept(config);
     cancel_after_client_done(config);
     cancel_after_invoke(config);
@@ -223,6 +222,7 @@
     registered_call(config);
     request_with_flags(config);
     request_with_payload(config);
+    resource_quota_server(config);
     server_finishes_request(config);
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
@@ -244,10 +244,6 @@
       binary_metadata(config);
       continue;
     }
-    if (0 == strcmp("buffer_pool_server", argv[i])) {
-      buffer_pool_server(config);
-      continue;
-    }
     if (0 == strcmp("cancel_after_accept", argv[i])) {
       cancel_after_accept(config);
       continue;
@@ -376,6 +372,10 @@
       request_with_payload(config);
       continue;
     }
+    if (0 == strcmp("resource_quota_server", argv[i])) {
+      resource_quota_server(config);
+      continue;
+    }
     if (0 == strcmp("server_finishes_request", argv[i])) {
       server_finishes_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index cf0e4c8..6d17e68 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -47,8 +47,6 @@
 extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
 extern void binary_metadata_pre_init(void);
-extern void buffer_pool_server(grpc_end2end_test_config config);
-extern void buffer_pool_server_pre_init(void);
 extern void call_creds(grpc_end2end_test_config config);
 extern void call_creds_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
@@ -115,6 +113,8 @@
 extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
 extern void request_with_payload_pre_init(void);
+extern void resource_quota_server(grpc_end2end_test_config config);
+extern void resource_quota_server_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
 extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
@@ -139,7 +139,6 @@
   g_pre_init_called = true;
   bad_hostname_pre_init();
   binary_metadata_pre_init();
-  buffer_pool_server_pre_init();
   call_creds_pre_init();
   cancel_after_accept_pre_init();
   cancel_after_client_done_pre_init();
@@ -173,6 +172,7 @@
   registered_call_pre_init();
   request_with_flags_pre_init();
   request_with_payload_pre_init();
+  resource_quota_server_pre_init();
   server_finishes_request_pre_init();
   shutdown_finishes_calls_pre_init();
   shutdown_finishes_tags_pre_init();
@@ -193,7 +193,6 @@
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
-    buffer_pool_server(config);
     call_creds(config);
     cancel_after_accept(config);
     cancel_after_client_done(config);
@@ -227,6 +226,7 @@
     registered_call(config);
     request_with_flags(config);
     request_with_payload(config);
+    resource_quota_server(config);
     server_finishes_request(config);
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
@@ -248,10 +248,6 @@
       binary_metadata(config);
       continue;
     }
-    if (0 == strcmp("buffer_pool_server", argv[i])) {
-      buffer_pool_server(config);
-      continue;
-    }
     if (0 == strcmp("call_creds", argv[i])) {
       call_creds(config);
       continue;
@@ -384,6 +380,10 @@
       request_with_payload(config);
       continue;
     }
+    if (0 == strcmp("resource_quota_server", argv[i])) {
+      resource_quota_server(config);
+      continue;
+    }
     if (0 == strcmp("server_finishes_request", argv[i])) {
       server_finishes_request(config);
       continue;
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index 4a546e7..f7dbfdf 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -91,9 +91,9 @@
   f.fixture_data = sfd;
   f.cq = grpc_completion_queue_create(NULL);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("fixture");
-  *sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 65536);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("fixture");
+  *sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 65536);
+  grpc_resource_quota_unref(resource_quota);
 
   return f;
 }
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index f528f0b..c571b12 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -90,9 +90,9 @@
   f.fixture_data = sfd;
   f.cq = grpc_completion_queue_create(NULL);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("fixture");
-  *sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 65536);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("fixture");
+  *sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 65536);
+  grpc_resource_quota_unref(resource_quota);
 
   return f;
 }
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 293cdf2..c3d2d5d 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -90,9 +90,9 @@
   f.fixture_data = sfd;
   f.cq = grpc_completion_queue_create(NULL);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("fixture");
-  *sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 1);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("fixture");
+  *sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 1);
+  grpc_resource_quota_unref(resource_quota);
 
   return f;
 }
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index f39a79c..945cc96 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -173,7 +173,7 @@
 static gpr_timespec g_now;
 static grpc_server *g_server;
 static grpc_channel *g_channel;
-static grpc_buffer_pool *g_buffer_pool;
+static grpc_resource_quota *g_resource_quota;
 
 extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
 
@@ -253,7 +253,7 @@
   } else if (g_server != NULL) {
     grpc_endpoint *client;
     grpc_endpoint *server;
-    grpc_passthru_endpoint_create(&client, &server, g_buffer_pool);
+    grpc_passthru_endpoint_create(&client, &server, g_resource_quota);
     *fc->ep = client;
 
     grpc_transport *transport =
@@ -522,7 +522,7 @@
   int pending_pings = 0;
 
   g_active_call = new_call(NULL, ROOT);
-  g_buffer_pool = grpc_buffer_pool_create("api_fuzzer");
+  g_resource_quota = grpc_resource_quota_create("api_fuzzer");
 
   grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
 
@@ -944,7 +944,7 @@
       }
       // resize the buffer pool
       case 21: {
-        grpc_buffer_pool_resize(g_buffer_pool, read_uint22(&inp));
+        grpc_resource_quota_resize(g_resource_quota, read_uint22(&inp));
         break;
       }
     }
@@ -962,7 +962,7 @@
           .type == GRPC_QUEUE_SHUTDOWN);
   grpc_completion_queue_destroy(cq);
 
-  grpc_buffer_pool_unref(g_buffer_pool);
+  grpc_resource_quota_unref(g_resource_quota);
 
   grpc_shutdown();
   return 0;
diff --git a/test/core/end2end/fuzzers/client_fuzzer.c b/test/core/end2end/fuzzers/client_fuzzer.c
index 55d04ec..b57c8c9 100644
--- a/test/core/end2end/fuzzers/client_fuzzer.c
+++ b/test/core/end2end/fuzzers/client_fuzzer.c
@@ -58,10 +58,10 @@
   grpc_init();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("client_fuzzer");
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("client_fuzzer");
   grpc_endpoint *mock_endpoint =
-      grpc_mock_endpoint_create(discard_write, buffer_pool);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+      grpc_mock_endpoint_create(discard_write, resource_quota);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
 
   grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
   grpc_transport *transport =
diff --git a/test/core/end2end/fuzzers/server_fuzzer.c b/test/core/end2end/fuzzers/server_fuzzer.c
index dd093e5..58c2a9d 100644
--- a/test/core/end2end/fuzzers/server_fuzzer.c
+++ b/test/core/end2end/fuzzers/server_fuzzer.c
@@ -56,10 +56,10 @@
   grpc_init();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("server_fuzzer");
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("server_fuzzer");
   grpc_endpoint *mock_endpoint =
-      grpc_mock_endpoint_create(discard_write, buffer_pool);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+      grpc_mock_endpoint_create(discard_write, resource_quota);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_mock_endpoint_put_read(
       &exec_ctx, mock_endpoint,
       gpr_slice_from_copied_buffer((const char *)data, size));
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 3fc827f..0ae70ce 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -88,7 +88,7 @@
 END2END_TESTS = {
     'bad_hostname': default_test_options,
     'binary_metadata': default_test_options,
-    'buffer_pool_server': default_test_options._replace(large_writes=True,
+    'resource_quota_server': default_test_options._replace(large_writes=True,
                                                         proxyable=False),
     'call_creds': default_test_options._replace(secure=True),
     'cancel_after_accept': default_test_options._replace(cpu_cost=LOWCPU),
diff --git a/test/core/end2end/tests/buffer_pool_server.c b/test/core/end2end/tests/buffer_pool_server.c
index daa971c..81850ae 100644
--- a/test/core/end2end/tests/buffer_pool_server.c
+++ b/test/core/end2end/tests/buffer_pool_server.c
@@ -107,9 +107,10 @@
   return gpr_slice_from_copied_string(output);
 }
 
-void buffer_pool_server(grpc_end2end_test_config config) {
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("test_server");
-  grpc_buffer_pool_resize(buffer_pool, 5 * 1024 * 1024);
+void resource_quota_server(grpc_end2end_test_config config) {
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("test_server");
+  grpc_resource_quota_resize(resource_quota, 5 * 1024 * 1024);
 
 #define NUM_CALLS 100
 #define CLIENT_BASE_TAG 1000
@@ -120,12 +121,12 @@
   grpc_arg arg;
   arg.key = GRPC_ARG_BUFFER_POOL;
   arg.type = GRPC_ARG_POINTER;
-  arg.value.pointer.p = buffer_pool;
-  arg.value.pointer.vtable = grpc_buffer_pool_arg_vtable();
+  arg.value.pointer.p = resource_quota;
+  arg.value.pointer.vtable = grpc_resource_quota_arg_vtable();
   grpc_channel_args args = {1, &arg};
 
   grpc_end2end_test_fixture f =
-      begin_test(config, "buffer_pool_server", NULL, &args);
+      begin_test(config, "resource_quota_server", NULL, &args);
 
   /* Create large request and response bodies. These are big enough to require
    * multiple round trips to deliver to the peer, and their exact contents of
@@ -343,10 +344,10 @@
 
   grpc_byte_buffer_destroy(request_payload);
   gpr_slice_unref(request_payload_slice);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota_unref(resource_quota);
 
   end_test(&f);
   config.tear_down_data(&f);
 }
 
-void buffer_pool_server_pre_init(void) {}
+void resource_quota_server_pre_init(void) {}
diff --git a/test/core/end2end/tests/resource_quota_server.c b/test/core/end2end/tests/resource_quota_server.c
new file mode 100644
index 0000000..c658776
--- /dev/null
+++ b/test/core/end2end/tests/resource_quota_server.c
@@ -0,0 +1,352 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+/* Creates and returns a gpr_slice containing random alphanumeric characters. */
+static gpr_slice generate_random_slice() {
+  size_t i;
+  static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
+  char output[1024 * 1024];
+  for (i = 0; i < GPR_ARRAY_SIZE(output) - 1; ++i) {
+    output[i] = chars[rand() % (int)(sizeof(chars) - 1)];
+  }
+  output[GPR_ARRAY_SIZE(output) - 1] = '\0';
+  return gpr_slice_from_copied_string(output);
+}
+
+void resource_quota_server(grpc_end2end_test_config config) {
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_server");
+  grpc_resource_quota_resize(resource_quota, 5 * 1024 * 1024);
+
+#define NUM_CALLS 100
+#define CLIENT_BASE_TAG 1000
+#define SERVER_START_BASE_TAG 2000
+#define SERVER_RECV_BASE_TAG 3000
+#define SERVER_END_BASE_TAG 4000
+
+  grpc_arg arg;
+  arg.key = GRPC_ARG_BUFFER_POOL;
+  arg.type = GRPC_ARG_POINTER;
+  arg.value.pointer.p = resource_quota;
+  arg.value.pointer.vtable = grpc_resource_quota_arg_vtable();
+  grpc_channel_args args = {1, &arg};
+
+  grpc_end2end_test_fixture f =
+      begin_test(config, "resource_quota_server", NULL, &args);
+
+  /* Create large request and response bodies. These are big enough to require
+   * multiple round trips to deliver to the peer, and their exact contents of
+   * will be verified on completion. */
+  gpr_slice request_payload_slice = generate_random_slice();
+
+  grpc_call *client_calls[NUM_CALLS];
+  grpc_call *server_calls[NUM_CALLS];
+  grpc_metadata_array initial_metadata_recv[NUM_CALLS];
+  grpc_metadata_array trailing_metadata_recv[NUM_CALLS];
+  grpc_metadata_array request_metadata_recv[NUM_CALLS];
+  grpc_call_details call_details[NUM_CALLS];
+  grpc_status_code status[NUM_CALLS];
+  char *details[NUM_CALLS];
+  size_t details_capacity[NUM_CALLS];
+  grpc_byte_buffer *request_payload_recv[NUM_CALLS];
+  int was_cancelled[NUM_CALLS];
+  grpc_call_error error;
+  int pending_client_calls = 0;
+  int pending_server_start_calls = 0;
+  int pending_server_recv_calls = 0;
+  int pending_server_end_calls = 0;
+  int cancelled_calls_on_client = 0;
+  int cancelled_calls_on_server = 0;
+
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+
+  grpc_op ops[6];
+  grpc_op *op;
+
+  for (int i = 0; i < NUM_CALLS; i++) {
+    grpc_metadata_array_init(&initial_metadata_recv[i]);
+    grpc_metadata_array_init(&trailing_metadata_recv[i]);
+    grpc_metadata_array_init(&request_metadata_recv[i]);
+    grpc_call_details_init(&call_details[i]);
+    details[i] = NULL;
+    details_capacity[i] = 0;
+    request_payload_recv[i] = NULL;
+    was_cancelled[i] = 0;
+  }
+
+  for (int i = 0; i < NUM_CALLS; i++) {
+    error = grpc_server_request_call(
+        f.server, &server_calls[i], &call_details[i], &request_metadata_recv[i],
+        f.cq, f.cq, tag(SERVER_START_BASE_TAG + i));
+    GPR_ASSERT(GRPC_CALL_OK == error);
+
+    pending_server_start_calls++;
+  }
+
+  for (int i = 0; i < NUM_CALLS; i++) {
+    client_calls[i] = grpc_channel_create_call(
+        f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, "/foo",
+        "foo.test.google.fr", n_seconds_time(60), NULL);
+
+    memset(ops, 0, sizeof(ops));
+    op = ops;
+    op->op = GRPC_OP_SEND_INITIAL_METADATA;
+    op->data.send_initial_metadata.count = 0;
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_SEND_MESSAGE;
+    op->data.send_message = request_payload;
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_RECV_INITIAL_METADATA;
+    op->data.recv_initial_metadata = &initial_metadata_recv[i];
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+    op->data.recv_status_on_client.trailing_metadata =
+        &trailing_metadata_recv[i];
+    op->data.recv_status_on_client.status = &status[i];
+    op->data.recv_status_on_client.status_details = &details[i];
+    op->data.recv_status_on_client.status_details_capacity =
+        &details_capacity[i];
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    error = grpc_call_start_batch(client_calls[i], ops, (size_t)(op - ops),
+                                  tag(CLIENT_BASE_TAG + i), NULL);
+    GPR_ASSERT(GRPC_CALL_OK == error);
+
+    pending_client_calls++;
+  }
+
+  while (pending_client_calls + pending_server_recv_calls +
+             pending_server_end_calls >
+         0) {
+    grpc_event ev = grpc_completion_queue_next(f.cq, n_seconds_time(10), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+
+    int ev_tag = (int)(intptr_t)ev.tag;
+    if (ev_tag < CLIENT_BASE_TAG) {
+      abort(); /* illegal tag */
+    } else if (ev_tag < SERVER_START_BASE_TAG) {
+      /* client call finished */
+      int call_id = ev_tag - CLIENT_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+      switch (status[call_id]) {
+        case GRPC_STATUS_RESOURCE_EXHAUSTED:
+          cancelled_calls_on_client++;
+          break;
+        case GRPC_STATUS_OK:
+          break;
+        default:
+          gpr_log(GPR_ERROR, "Unexpected status code: %d", status[call_id]);
+          abort();
+      }
+      GPR_ASSERT(pending_client_calls > 0);
+
+      grpc_metadata_array_destroy(&initial_metadata_recv[call_id]);
+      grpc_metadata_array_destroy(&trailing_metadata_recv[call_id]);
+      grpc_call_destroy(client_calls[call_id]);
+      gpr_free(details[call_id]);
+
+      pending_client_calls--;
+    } else if (ev_tag < SERVER_RECV_BASE_TAG) {
+      /* new incoming call to the server */
+      int call_id = ev_tag - SERVER_START_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+
+      memset(ops, 0, sizeof(ops));
+      op = ops;
+      op->op = GRPC_OP_SEND_INITIAL_METADATA;
+      op->data.send_initial_metadata.count = 0;
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      op->op = GRPC_OP_RECV_MESSAGE;
+      op->data.recv_message = &request_payload_recv[call_id];
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      error =
+          grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops),
+                                tag(SERVER_RECV_BASE_TAG + call_id), NULL);
+      GPR_ASSERT(GRPC_CALL_OK == error);
+
+      GPR_ASSERT(pending_server_start_calls > 0);
+      pending_server_start_calls--;
+      pending_server_recv_calls++;
+
+      grpc_call_details_destroy(&call_details[call_id]);
+      grpc_metadata_array_destroy(&request_metadata_recv[call_id]);
+    } else if (ev_tag < SERVER_END_BASE_TAG) {
+      /* finished read on the server */
+      int call_id = ev_tag - SERVER_RECV_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+
+      if (ev.success) {
+        if (request_payload_recv[call_id] != NULL) {
+          grpc_byte_buffer_destroy(request_payload_recv[call_id]);
+          request_payload_recv[call_id] = NULL;
+        }
+      } else {
+        GPR_ASSERT(request_payload_recv[call_id] == NULL);
+      }
+
+      memset(ops, 0, sizeof(ops));
+      op = ops;
+      op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+      op->data.recv_close_on_server.cancelled = &was_cancelled[call_id];
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+      op->data.send_status_from_server.trailing_metadata_count = 0;
+      op->data.send_status_from_server.status = GRPC_STATUS_OK;
+      op->data.send_status_from_server.status_details = "xyz";
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      error =
+          grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops),
+                                tag(SERVER_END_BASE_TAG + call_id), NULL);
+      GPR_ASSERT(GRPC_CALL_OK == error);
+
+      GPR_ASSERT(pending_server_recv_calls > 0);
+      pending_server_recv_calls--;
+      pending_server_end_calls++;
+    } else {
+      int call_id = ev_tag - SERVER_END_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+
+      if (was_cancelled[call_id]) {
+        cancelled_calls_on_server++;
+      }
+      GPR_ASSERT(pending_server_end_calls > 0);
+      pending_server_end_calls--;
+
+      grpc_call_destroy(server_calls[call_id]);
+    }
+  }
+
+  gpr_log(
+      GPR_INFO,
+      "Done. %d total calls: %d cancelled at server, %d cancelled at client.",
+      NUM_CALLS, cancelled_calls_on_server, cancelled_calls_on_client);
+
+  GPR_ASSERT(cancelled_calls_on_client >= cancelled_calls_on_server);
+  GPR_ASSERT(cancelled_calls_on_server >= 0.9 * cancelled_calls_on_client);
+
+  grpc_byte_buffer_destroy(request_payload);
+  gpr_slice_unref(request_payload_slice);
+  grpc_resource_quota_unref(resource_quota);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void resource_quota_server_pre_init(void) {}
diff --git a/test/core/http/httpcli_test.c b/test/core/http/httpcli_test.c
index 1ecfe21..14318ae 100644
--- a/test/core/http/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -89,11 +89,11 @@
 
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("test_get");
-  grpc_httpcli_get(&exec_ctx, &g_context, &g_pops, buffer_pool, &req,
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_get");
+  grpc_httpcli_get(&exec_ctx, &g_context, &g_pops, resource_quota, &req,
                    n_seconds_time(15),
                    grpc_closure_create(on_finish, &response), &response);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
   while (!g_done) {
     grpc_pollset_worker *worker = NULL;
@@ -129,11 +129,11 @@
 
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("test_post");
-  grpc_httpcli_post(&exec_ctx, &g_context, &g_pops, buffer_pool, &req, "hello",
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_post");
+  grpc_httpcli_post(&exec_ctx, &g_context, &g_pops, resource_quota, &req, "hello",
                     5, n_seconds_time(15),
                     grpc_closure_create(on_finish, &response), &response);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
   while (!g_done) {
     grpc_pollset_worker *worker = NULL;
diff --git a/test/core/http/httpscli_test.c b/test/core/http/httpscli_test.c
index 51ca73f..966d5e4 100644
--- a/test/core/http/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -90,11 +90,11 @@
 
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("test_get");
-  grpc_httpcli_get(&exec_ctx, &g_context, &g_pops, buffer_pool, &req,
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_get");
+  grpc_httpcli_get(&exec_ctx, &g_context, &g_pops, resource_quota, &req,
                    n_seconds_time(15),
                    grpc_closure_create(on_finish, &response), &response);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
   while (!g_done) {
     grpc_pollset_worker *worker = NULL;
@@ -131,11 +131,11 @@
 
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("test_post");
-  grpc_httpcli_post(&exec_ctx, &g_context, &g_pops, buffer_pool, &req, "hello",
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_post");
+  grpc_httpcli_post(&exec_ctx, &g_context, &g_pops, resource_quota, &req, "hello",
                     5, n_seconds_time(15),
                     grpc_closure_create(on_finish, &response), &response);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
   while (!g_done) {
     grpc_pollset_worker *worker = NULL;
diff --git a/test/core/internal_api_canaries/iomgr.c b/test/core/internal_api_canaries/iomgr.c
index 4f967ce..f1efa87 100644
--- a/test/core/internal_api_canaries/iomgr.c
+++ b/test/core/internal_api_canaries/iomgr.c
@@ -84,7 +84,7 @@
                                  grpc_endpoint_add_to_pollset_set,
                                  grpc_endpoint_shutdown,
                                  grpc_endpoint_destroy,
-                                 grpc_endpoint_get_buffer_user,
+                                 grpc_endpoint_get_resource_user,
                                  grpc_endpoint_get_peer};
   endpoint.vtable = &vtable;
 
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index 4f8aab8..53fb865 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -49,10 +49,10 @@
     size_t slice_size) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_test_fixture f;
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("endpoint_pair_test");
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("endpoint_pair_test");
   grpc_endpoint_pair p =
-      grpc_iomgr_create_endpoint_pair("test", buffer_pool, slice_size);
-  grpc_buffer_pool_unref(buffer_pool);
+      grpc_iomgr_create_endpoint_pair("test", resource_quota, slice_size);
+  grpc_resource_quota_unref(resource_quota);
 
   f.client_ep = p.client;
   f.server_ep = p.server;
diff --git a/test/core/iomgr/fd_conservation_posix_test.c b/test/core/iomgr/fd_conservation_posix_test.c
index f3a36c7..652b37e 100644
--- a/test/core/iomgr/fd_conservation_posix_test.c
+++ b/test/core/iomgr/fd_conservation_posix_test.c
@@ -52,18 +52,18 @@
      of descriptors */
   rlim.rlim_cur = rlim.rlim_max = 10;
   GPR_ASSERT(0 == setrlimit(RLIMIT_NOFILE, &rlim));
-  grpc_buffer_pool *buffer_pool =
-      grpc_buffer_pool_create("fd_conservation_posix_test");
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("fd_conservation_posix_test");
 
   for (i = 0; i < 100; i++) {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    p = grpc_iomgr_create_endpoint_pair("test", buffer_pool, 1);
+    p = grpc_iomgr_create_endpoint_pair("test", resource_quota, 1);
     grpc_endpoint_destroy(&exec_ctx, p.client);
     grpc_endpoint_destroy(&exec_ctx, p.server);
     grpc_exec_ctx_finish(&exec_ctx);
   }
 
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota_unref(resource_quota);
 
   grpc_iomgr_shutdown();
   return 0;
diff --git a/test/core/iomgr/buffer_pool_test.c b/test/core/iomgr/resource_quota_test.c
similarity index 61%
rename from test/core/iomgr/buffer_pool_test.c
rename to test/core/iomgr/resource_quota_test.c
index 3a58fc7..5963ed0 100644
--- a/test/core/iomgr/buffer_pool_test.c
+++ b/test/core/iomgr/resource_quota_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/lib/iomgr/buffer_pool.h"
+#include "src/core/lib/iomgr/resource_quota.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -49,23 +49,23 @@
 
 typedef struct {
   size_t size;
-  grpc_buffer_user *buffer_user;
+  grpc_resource_user *resource_user;
   grpc_closure *then;
 } reclaimer_args;
 static void reclaimer_cb(grpc_exec_ctx *exec_ctx, void *args,
                          grpc_error *error) {
   GPR_ASSERT(error == GRPC_ERROR_NONE);
   reclaimer_args *a = args;
-  grpc_buffer_user_free(exec_ctx, a->buffer_user, a->size);
-  grpc_buffer_user_finish_reclaimation(exec_ctx, a->buffer_user);
+  grpc_resource_user_free(exec_ctx, a->resource_user, a->size);
+  grpc_resource_user_finish_reclaimation(exec_ctx, a->resource_user);
   grpc_closure_run(exec_ctx, a->then, GRPC_ERROR_NONE);
   gpr_free(a);
 }
-grpc_closure *make_reclaimer(grpc_buffer_user *buffer_user, size_t size,
+grpc_closure *make_reclaimer(grpc_resource_user *resource_user, size_t size,
                              grpc_closure *then) {
   reclaimer_args *a = gpr_malloc(sizeof(*a));
   a->size = size;
-  a->buffer_user = buffer_user;
+  a->resource_user = resource_user;
   a->then = then;
   return grpc_closure_create(reclaimer_cb, a);
 }
@@ -79,214 +79,219 @@
   return grpc_closure_create(unused_reclaimer_cb, then);
 }
 
-static void destroy_user(grpc_buffer_user *usr) {
+static void destroy_user(grpc_resource_user *usr) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   bool done = false;
-  grpc_buffer_user_shutdown(&exec_ctx, usr, set_bool(&done));
+  grpc_resource_user_shutdown(&exec_ctx, usr, set_bool(&done));
   grpc_exec_ctx_flush(&exec_ctx);
   GPR_ASSERT(done);
-  grpc_buffer_user_destroy(&exec_ctx, usr);
+  grpc_resource_user_destroy(&exec_ctx, usr);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
 static void test_no_op(void) {
   gpr_log(GPR_INFO, "** test_no_op **");
-  grpc_buffer_pool_unref(grpc_buffer_pool_create("test_no_op"));
+  grpc_resource_quota_unref(grpc_resource_quota_create("test_no_op"));
 }
 
 static void test_resize_then_destroy(void) {
   gpr_log(GPR_INFO, "** test_resize_then_destroy **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_resize_then_destroy");
-  grpc_buffer_pool_resize(p, 1024 * 1024);
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_resize_then_destroy");
+  grpc_resource_quota_resize(p, 1024 * 1024);
+  grpc_resource_quota_unref(p);
 }
 
-static void test_buffer_user_no_op(void) {
-  gpr_log(GPR_INFO, "** test_buffer_user_no_op **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_buffer_user_no_op");
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
-  grpc_buffer_pool_unref(p);
+static void test_resource_user_no_op(void) {
+  gpr_log(GPR_INFO, "** test_resource_user_no_op **");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_resource_user_no_op");
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_instant_alloc_then_free(void) {
   gpr_log(GPR_INFO, "** test_instant_alloc_then_free **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_instant_alloc_then_free");
-  grpc_buffer_pool_resize(p, 1024 * 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_instant_alloc_then_free");
+  grpc_resource_quota_resize(p, 1024 * 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, NULL);
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, NULL);
     grpc_exec_ctx_finish(&exec_ctx);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_instant_alloc_free_pair(void) {
   gpr_log(GPR_INFO, "** test_instant_alloc_free_pair **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_instant_alloc_free_pair");
-  grpc_buffer_pool_resize(p, 1024 * 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_instant_alloc_free_pair");
+  grpc_resource_quota_resize(p, 1024 * 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, NULL);
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, NULL);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_simple_async_alloc(void) {
   gpr_log(GPR_INFO, "** test_simple_async_alloc **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_simple_async_alloc");
-  grpc_buffer_pool_resize(p, 1024 * 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_simple_async_alloc");
+  grpc_resource_quota_resize(p, 1024 * 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_async_alloc_blocked_by_size(void) {
   gpr_log(GPR_INFO, "** test_async_alloc_blocked_by_size **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_async_alloc_blocked_by_size");
-  grpc_buffer_pool_resize(p, 1);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_async_alloc_blocked_by_size");
+  grpc_resource_quota_resize(p, 1);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   bool done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(!done);
   }
-  grpc_buffer_pool_resize(p, 1024);
+  grpc_resource_quota_resize(p, 1024);
   GPR_ASSERT(done);
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_scavenge(void) {
   gpr_log(GPR_INFO, "** test_scavenge **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_scavenge");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr1;
-  grpc_buffer_user usr2;
-  grpc_buffer_user_init(&usr1, p, "usr1");
-  grpc_buffer_user_init(&usr2, p, "usr2");
+  grpc_resource_quota *p = grpc_resource_quota_create("test_scavenge");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr1;
+  grpc_resource_user usr2;
+  grpc_resource_user_init(&usr1, p, "usr1");
+  grpc_resource_user_init(&usr2, p, "usr2");
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr1, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr1, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr1, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr1, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr2, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr2, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr2, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr2, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr1);
   destroy_user(&usr2);
 }
 
 static void test_scavenge_blocked(void) {
   gpr_log(GPR_INFO, "** test_scavenge_blocked **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_scavenge_blocked");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr1;
-  grpc_buffer_user usr2;
-  grpc_buffer_user_init(&usr1, p, "usr1");
-  grpc_buffer_user_init(&usr2, p, "usr2");
+  grpc_resource_quota *p = grpc_resource_quota_create("test_scavenge_blocked");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr1;
+  grpc_resource_user usr2;
+  grpc_resource_user_init(&usr1, p, "usr1");
+  grpc_resource_user_init(&usr2, p, "usr2");
   bool done;
   {
     done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr1, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr1, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr2, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr2, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(!done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr1, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr1, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr2, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr2, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr1);
   destroy_user(&usr2);
 }
 
 static void test_blocked_until_scheduled_reclaim(void) {
   gpr_log(GPR_INFO, "** test_blocked_until_scheduled_reclaim **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_blocked_until_scheduled_reclaim");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_blocked_until_scheduled_reclaim");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   bool reclaim_done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, false,
         make_reclaimer(&usr, 1024, set_bool(&reclaim_done)));
     grpc_exec_ctx_finish(&exec_ctx);
@@ -294,40 +299,40 @@
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(reclaim_done);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_blocked_until_scheduled_reclaim_and_scavenge(void) {
   gpr_log(GPR_INFO, "** test_blocked_until_scheduled_reclaim_and_scavenge **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create(
+  grpc_resource_quota *p = grpc_resource_quota_create(
       "test_blocked_until_scheduled_reclaim_and_scavenge");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr1;
-  grpc_buffer_user usr2;
-  grpc_buffer_user_init(&usr1, p, "usr1");
-  grpc_buffer_user_init(&usr2, p, "usr2");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr1;
+  grpc_resource_user usr2;
+  grpc_resource_user_init(&usr1, p, "usr1");
+  grpc_resource_user_init(&usr2, p, "usr2");
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr1, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr1, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   bool reclaim_done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr1, false,
         make_reclaimer(&usr1, 1024, set_bool(&reclaim_done)));
     grpc_exec_ctx_finish(&exec_ctx);
@@ -335,39 +340,39 @@
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr2, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr2, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(reclaim_done);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr2, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr2, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr1);
   destroy_user(&usr2);
 }
 
 static void test_blocked_until_scheduled_destructive_reclaim(void) {
   gpr_log(GPR_INFO, "** test_blocked_until_scheduled_destructive_reclaim **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create(
+  grpc_resource_quota *p = grpc_resource_quota_create(
       "test_blocked_until_scheduled_destructive_reclaim");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   bool reclaim_done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, true,
         make_reclaimer(&usr, 1024, set_bool(&reclaim_done)));
     grpc_exec_ctx_finish(&exec_ctx);
@@ -375,41 +380,41 @@
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(reclaim_done);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
 }
 
 static void test_unused_reclaim_is_cancelled(void) {
   gpr_log(GPR_INFO, "** test_unused_reclaim_is_cancelled **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_unused_reclaim_is_cancelled");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_unused_reclaim_is_cancelled");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   bool benign_done = false;
   bool destructive_done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, false, make_unused_reclaimer(set_bool(&benign_done)));
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, true,
         make_unused_reclaimer(set_bool(&destructive_done)));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(!benign_done);
     GPR_ASSERT(!destructive_done);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
   GPR_ASSERT(benign_done);
   GPR_ASSERT(destructive_done);
@@ -417,26 +422,26 @@
 
 static void test_benign_reclaim_is_preferred(void) {
   gpr_log(GPR_INFO, "** test_benign_reclaim_is_preferred **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_benign_reclaim_is_preferred");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_benign_reclaim_is_preferred");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   bool benign_done = false;
   bool destructive_done = false;
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, false,
         make_reclaimer(&usr, 1024, set_bool(&benign_done)));
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, true,
         make_unused_reclaimer(set_bool(&destructive_done)));
     grpc_exec_ctx_finish(&exec_ctx);
@@ -446,7 +451,7 @@
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(benign_done);
     GPR_ASSERT(!destructive_done);
@@ -454,10 +459,10 @@
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
   GPR_ASSERT(benign_done);
   GPR_ASSERT(destructive_done);
@@ -465,26 +470,26 @@
 
 static void test_multiple_reclaims_can_be_triggered(void) {
   gpr_log(GPR_INFO, "** test_multiple_reclaims_can_be_triggered **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_multiple_reclaims_can_be_triggered");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_multiple_reclaims_can_be_triggered");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   bool benign_done = false;
   bool destructive_done = false;
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, false,
         make_reclaimer(&usr, 512, set_bool(&benign_done)));
-    grpc_buffer_user_post_reclaimer(
+    grpc_resource_user_post_reclaimer(
         &exec_ctx, &usr, true,
         make_reclaimer(&usr, 512, set_bool(&destructive_done)));
     grpc_exec_ctx_finish(&exec_ctx);
@@ -494,7 +499,7 @@
   {
     bool done = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(benign_done);
     GPR_ASSERT(destructive_done);
@@ -502,62 +507,62 @@
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   destroy_user(&usr);
   GPR_ASSERT(benign_done);
   GPR_ASSERT(destructive_done);
 }
 
-static void test_buffer_user_stays_allocated_until_memory_released(void) {
+static void test_resource_user_stays_allocated_until_memory_released(void) {
   gpr_log(GPR_INFO,
-          "** test_buffer_user_stays_allocated_until_memory_released **");
-  grpc_buffer_pool *p = grpc_buffer_pool_create(
-      "test_buffer_user_stays_allocated_until_memory_released");
-  grpc_buffer_pool_resize(p, 1024 * 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+          "** test_resource_user_stays_allocated_until_memory_released **");
+  grpc_resource_quota *p = grpc_resource_quota_create(
+      "test_resource_user_stays_allocated_until_memory_released");
+  grpc_resource_quota_resize(p, 1024 * 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   bool done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, NULL);
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, NULL);
     grpc_exec_ctx_finish(&exec_ctx);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_pool_unref(p);
-    grpc_buffer_user_shutdown(&exec_ctx, &usr, set_bool(&done));
+    grpc_resource_quota_unref(p);
+    grpc_resource_user_shutdown(&exec_ctx, &usr, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(!done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(done);
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_destroy(&exec_ctx, &usr);
+    grpc_resource_user_destroy(&exec_ctx, &usr);
     grpc_exec_ctx_finish(&exec_ctx);
   }
 }
 
-static void test_pools_merged_on_buffer_user_deletion(void) {
-  gpr_log(GPR_INFO, "** test_pools_merged_on_buffer_user_deletion **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_pools_merged_on_buffer_user_deletion");
-  grpc_buffer_pool_resize(p, 1024);
+static void test_pools_merged_on_resource_user_deletion(void) {
+  gpr_log(GPR_INFO, "** test_pools_merged_on_resource_user_deletion **");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_pools_merged_on_resource_user_deletion");
+  grpc_resource_quota_resize(p, 1024);
   for (int i = 0; i < 10; i++) {
-    grpc_buffer_user usr;
-    grpc_buffer_user_init(&usr, p, "usr");
+    grpc_resource_user usr;
+    grpc_resource_user_init(&usr, p, "usr");
     bool done = false;
     bool reclaimer_cancelled = false;
     {
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_post_reclaimer(
+      grpc_resource_user_post_reclaimer(
           &exec_ctx, &usr, false,
           make_unused_reclaimer(set_bool(&reclaimer_cancelled)));
       grpc_exec_ctx_finish(&exec_ctx);
@@ -566,45 +571,45 @@
     {
       bool allocated = false;
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&allocated));
+      grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&allocated));
       grpc_exec_ctx_finish(&exec_ctx);
       GPR_ASSERT(allocated);
       GPR_ASSERT(!reclaimer_cancelled);
     }
     {
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_shutdown(&exec_ctx, &usr, set_bool(&done));
+      grpc_resource_user_shutdown(&exec_ctx, &usr, set_bool(&done));
       grpc_exec_ctx_finish(&exec_ctx);
       GPR_ASSERT(!done);
       GPR_ASSERT(!reclaimer_cancelled);
     }
     {
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+      grpc_resource_user_free(&exec_ctx, &usr, 1024);
       grpc_exec_ctx_finish(&exec_ctx);
       GPR_ASSERT(done);
       GPR_ASSERT(reclaimer_cancelled);
     }
     {
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_destroy(&exec_ctx, &usr);
+      grpc_resource_user_destroy(&exec_ctx, &usr);
       grpc_exec_ctx_finish(&exec_ctx);
     }
   }
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
 }
 
 static void test_reclaimers_can_be_posted_repeatedly(void) {
   gpr_log(GPR_INFO, "** test_reclaimers_can_be_posted_repeatedly **");
-  grpc_buffer_pool *p =
-      grpc_buffer_pool_create("test_reclaimers_can_be_posted_repeatedly");
-  grpc_buffer_pool_resize(p, 1024);
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_reclaimers_can_be_posted_repeatedly");
+  grpc_resource_quota_resize(p, 1024);
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
   {
     bool allocated = false;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&allocated));
+    grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&allocated));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(allocated);
   }
@@ -612,7 +617,7 @@
     bool reclaimer_done = false;
     {
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_post_reclaimer(
+      grpc_resource_user_post_reclaimer(
           &exec_ctx, &usr, false,
           make_reclaimer(&usr, 1024, set_bool(&reclaimer_done)));
       grpc_exec_ctx_finish(&exec_ctx);
@@ -621,7 +626,7 @@
     {
       bool allocated = false;
       grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-      grpc_buffer_user_alloc(&exec_ctx, &usr, 1024, set_bool(&allocated));
+      grpc_resource_user_alloc(&exec_ctx, &usr, 1024, set_bool(&allocated));
       grpc_exec_ctx_finish(&exec_ctx);
       GPR_ASSERT(allocated);
       GPR_ASSERT(reclaimer_done);
@@ -629,25 +634,26 @@
   }
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_free(&exec_ctx, &usr, 1024);
+    grpc_resource_user_free(&exec_ctx, &usr, 1024);
     grpc_exec_ctx_finish(&exec_ctx);
   }
   destroy_user(&usr);
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
 }
 
 static void test_one_slice(void) {
   gpr_log(GPR_INFO, "** test_one_slice **");
 
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_one_slice");
-  grpc_buffer_pool_resize(p, 1024);
+  grpc_resource_quota *p = grpc_resource_quota_create("test_one_slice");
+  grpc_resource_quota_resize(p, 1024);
 
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
 
-  grpc_buffer_user_slice_allocator alloc;
+  grpc_resource_user_slice_allocator alloc;
   int num_allocs = 0;
-  grpc_buffer_user_slice_allocator_init(&alloc, &usr, inc_int_cb, &num_allocs);
+  grpc_resource_user_slice_allocator_init(&alloc, &usr, inc_int_cb,
+                                          &num_allocs);
 
   gpr_slice_buffer buffer;
   gpr_slice_buffer_init(&buffer);
@@ -655,28 +661,30 @@
   {
     const int start_allocs = num_allocs;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc_slices(&exec_ctx, &alloc, 1024, 1, &buffer);
+    grpc_resource_user_alloc_slices(&exec_ctx, &alloc, 1024, 1, &buffer);
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(num_allocs == start_allocs + 1);
   }
 
   gpr_slice_buffer_destroy(&buffer);
   destroy_user(&usr);
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
 }
 
 static void test_one_slice_deleted_late(void) {
   gpr_log(GPR_INFO, "** test_one_slice_deleted_late **");
 
-  grpc_buffer_pool *p = grpc_buffer_pool_create("test_one_slice_deleted_late");
-  grpc_buffer_pool_resize(p, 1024);
+  grpc_resource_quota *p =
+      grpc_resource_quota_create("test_one_slice_deleted_late");
+  grpc_resource_quota_resize(p, 1024);
 
-  grpc_buffer_user usr;
-  grpc_buffer_user_init(&usr, p, "usr");
+  grpc_resource_user usr;
+  grpc_resource_user_init(&usr, p, "usr");
 
-  grpc_buffer_user_slice_allocator alloc;
+  grpc_resource_user_slice_allocator alloc;
   int num_allocs = 0;
-  grpc_buffer_user_slice_allocator_init(&alloc, &usr, inc_int_cb, &num_allocs);
+  grpc_resource_user_slice_allocator_init(&alloc, &usr, inc_int_cb,
+                                          &num_allocs);
 
   gpr_slice_buffer buffer;
   gpr_slice_buffer_init(&buffer);
@@ -684,7 +692,7 @@
   {
     const int start_allocs = num_allocs;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_alloc_slices(&exec_ctx, &alloc, 1024, 1, &buffer);
+    grpc_resource_user_alloc_slices(&exec_ctx, &alloc, 1024, 1, &buffer);
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(num_allocs == start_allocs + 1);
   }
@@ -692,17 +700,17 @@
   bool done = false;
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_shutdown(&exec_ctx, &usr, set_bool(&done));
+    grpc_resource_user_shutdown(&exec_ctx, &usr, set_bool(&done));
     grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(!done);
   }
 
-  grpc_buffer_pool_unref(p);
+  grpc_resource_quota_unref(p);
   gpr_slice_buffer_destroy(&buffer);
   GPR_ASSERT(done);
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_buffer_user_destroy(&exec_ctx, &usr);
+    grpc_resource_user_destroy(&exec_ctx, &usr);
     grpc_exec_ctx_finish(&exec_ctx);
   }
 }
@@ -712,7 +720,7 @@
   grpc_init();
   test_no_op();
   test_resize_then_destroy();
-  test_buffer_user_no_op();
+  test_resource_user_no_op();
   test_instant_alloc_then_free();
   test_instant_alloc_free_pair();
   test_simple_async_alloc();
@@ -725,8 +733,8 @@
   test_unused_reclaim_is_cancelled();
   test_benign_reclaim_is_preferred();
   test_multiple_reclaims_can_be_triggered();
-  test_buffer_user_stays_allocated_until_memory_released();
-  test_pools_merged_on_buffer_user_deletion();
+  test_resource_user_stays_allocated_until_memory_released();
+  test_pools_merged_on_resource_user_deletion();
   test_reclaimers_can_be_posted_repeatedly();
   test_one_slice();
   test_one_slice_deleted_late();
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index 04522b8..3f2e19f 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -176,10 +176,10 @@
 
   create_sockets(sv);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("read_test");
-  ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), buffer_pool,
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("read_test");
+  ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), resource_quota,
                        slice_size, "test");
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket_partial(sv[0], num_bytes);
@@ -226,10 +226,11 @@
 
   create_sockets(sv);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("large_read_test");
-  ep = grpc_tcp_create(grpc_fd_create(sv[1], "large_read_test"), buffer_pool,
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("large_read_test");
+  ep = grpc_tcp_create(grpc_fd_create(sv[1], "large_read_test"), resource_quota,
                        slice_size, "test");
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket(sv[0]);
@@ -364,10 +365,11 @@
 
   create_sockets(sv);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("write_test");
-  ep = grpc_tcp_create(grpc_fd_create(sv[1], "write_test"), buffer_pool,
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("write_test");
+  ep = grpc_tcp_create(grpc_fd_create(sv[1], "write_test"), resource_quota,
                        GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "test");
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   state.ep = ep;
@@ -430,11 +432,12 @@
 
   create_sockets(sv);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("release_fd_test");
-  ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), buffer_pool,
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("release_fd_test");
+  ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), resource_quota,
                        slice_size, "test");
   GPR_ASSERT(grpc_tcp_fd(ep) == sv[1] && sv[1] >= 0);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket_partial(sv[0], num_bytes);
@@ -520,13 +523,13 @@
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
   create_sockets(sv);
-  grpc_buffer_pool *buffer_pool =
-      grpc_buffer_pool_create("tcp_posix_test_socketpair");
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("tcp_posix_test_socketpair");
   f.client_ep = grpc_tcp_create(grpc_fd_create(sv[0], "fixture:client"),
-                                buffer_pool, slice_size, "test");
+                                resource_quota, slice_size, "test");
   f.server_ep = grpc_tcp_create(grpc_fd_create(sv[1], "fixture:server"),
-                                buffer_pool, slice_size, "test");
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+                                resource_quota, slice_size, "test");
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
   grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, g_pollset);
 
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index 3397c95..2262fde 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -56,10 +56,10 @@
   grpc_endpoint_test_fixture f;
   grpc_endpoint_pair tcp;
 
-  grpc_buffer_pool *buffer_pool =
-      grpc_buffer_pool_create("secure_endpoint_test");
-  tcp = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, slice_size);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("secure_endpoint_test");
+  tcp = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, slice_size);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_endpoint_add_to_pollset(&exec_ctx, tcp.client, g_pollset);
   grpc_endpoint_add_to_pollset(&exec_ctx, tcp.server, g_pollset);
 
diff --git a/test/core/util/mock_endpoint.c b/test/core/util/mock_endpoint.c
index a70de76..2b041a4 100644
--- a/test/core/util/mock_endpoint.c
+++ b/test/core/util/mock_endpoint.c
@@ -46,7 +46,7 @@
   gpr_slice_buffer read_buffer;
   gpr_slice_buffer *on_read_out;
   grpc_closure *on_read;
-  grpc_buffer_user buffer_user;
+  grpc_resource_user resource_user;
 } grpc_mock_endpoint;
 
 static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
@@ -83,7 +83,7 @@
   if (0 == --m->refs) {
     gpr_mu_unlock(&m->mu);
     gpr_slice_buffer_destroy(&m->read_buffer);
-    grpc_buffer_user_destroy(exec_ctx, &m->buffer_user);
+    grpc_resource_user_destroy(exec_ctx, &m->resource_user);
     gpr_free(m);
   } else {
     gpr_mu_unlock(&m->mu);
@@ -104,8 +104,8 @@
                         GRPC_ERROR_CREATE("Endpoint Shutdown"), NULL);
     m->on_read = NULL;
   }
-  grpc_buffer_user_shutdown(exec_ctx, &m->buffer_user,
-                            grpc_closure_create(me_finish_shutdown, m));
+  grpc_resource_user_shutdown(exec_ctx, &m->resource_user,
+                              grpc_closure_create(me_finish_shutdown, m));
   gpr_mu_unlock(&m->mu);
 }
 
@@ -118,9 +118,9 @@
   return gpr_strdup("fake:mock_endpoint");
 }
 
-static grpc_buffer_user *me_get_buffer_user(grpc_endpoint *ep) {
+static grpc_resource_user *me_get_resource_user(grpc_endpoint *ep) {
   grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
-  return &m->buffer_user;
+  return &m->resource_user;
 }
 
 static grpc_workqueue *me_get_workqueue(grpc_endpoint *ep) { return NULL; }
@@ -133,18 +133,18 @@
     me_add_to_pollset_set,
     me_shutdown,
     me_destroy,
-    me_get_buffer_user,
+    me_get_resource_user,
     me_get_peer,
 };
 
 grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice),
-                                         grpc_buffer_pool *buffer_pool) {
+                                         grpc_resource_quota *resource_quota) {
   grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
   m->base.vtable = &vtable;
   m->refs = 2;
   char *name;
   gpr_asprintf(&name, "mock_endpoint_%" PRIxPTR, (intptr_t)m);
-  grpc_buffer_user_init(&m->buffer_user, buffer_pool, name);
+  grpc_resource_user_init(&m->resource_user, resource_quota, name);
   gpr_free(name);
   gpr_slice_buffer_init(&m->read_buffer);
   gpr_mu_init(&m->mu);
diff --git a/test/core/util/mock_endpoint.h b/test/core/util/mock_endpoint.h
index bb59a16..b3a464c 100644
--- a/test/core/util/mock_endpoint.h
+++ b/test/core/util/mock_endpoint.h
@@ -37,7 +37,7 @@
 #include "src/core/lib/iomgr/endpoint.h"
 
 grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice),
-                                         grpc_buffer_pool *buffer_pool);
+                                         grpc_resource_quota *resource_quota);
 void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx,
                                  grpc_endpoint *mock_endpoint, gpr_slice slice);
 
diff --git a/test/core/util/passthru_endpoint.c b/test/core/util/passthru_endpoint.c
index a1aaeda..85ed1c8 100644
--- a/test/core/util/passthru_endpoint.c
+++ b/test/core/util/passthru_endpoint.c
@@ -46,7 +46,7 @@
   gpr_slice_buffer read_buffer;
   gpr_slice_buffer *on_read_out;
   grpc_closure *on_read;
-  grpc_buffer_user buffer_user;
+  grpc_resource_user resource_user;
 } half;
 
 struct passthru_endpoint {
@@ -142,7 +142,7 @@
 
 static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
   half *m = (half *)ep;
-  grpc_buffer_user_shutdown(exec_ctx, &m->buffer_user,
+  grpc_resource_user_shutdown(exec_ctx, &m->resource_user,
                             grpc_closure_create(me_really_destroy, m));
 }
 
@@ -152,9 +152,9 @@
 
 static grpc_workqueue *me_get_workqueue(grpc_endpoint *ep) { return NULL; }
 
-static grpc_buffer_user *me_get_buffer_user(grpc_endpoint *ep) {
+static grpc_resource_user *me_get_resource_user(grpc_endpoint *ep) {
   half *m = (half *)ep;
-  return &m->buffer_user;
+  return &m->resource_user;
 }
 
 static const grpc_endpoint_vtable vtable = {
@@ -165,12 +165,12 @@
     me_add_to_pollset_set,
     me_shutdown,
     me_destroy,
-    me_get_buffer_user,
+    me_get_resource_user,
     me_get_peer,
 };
 
 static void half_init(half *m, passthru_endpoint *parent,
-                      grpc_buffer_pool *buffer_pool, const char *half_name) {
+                      grpc_resource_quota *resource_quota, const char *half_name) {
   m->base.vtable = &vtable;
   m->parent = parent;
   gpr_slice_buffer_init(&m->read_buffer);
@@ -178,18 +178,18 @@
   char *name;
   gpr_asprintf(&name, "passthru_endpoint_%s_%" PRIxPTR, half_name,
                (intptr_t)parent);
-  grpc_buffer_user_init(&m->buffer_user, buffer_pool, name);
+  grpc_resource_user_init(&m->resource_user, resource_quota, name);
   gpr_free(name);
 }
 
 void grpc_passthru_endpoint_create(grpc_endpoint **client,
                                    grpc_endpoint **server,
-                                   grpc_buffer_pool *buffer_pool) {
+                                   grpc_resource_quota *resource_quota) {
   passthru_endpoint *m = gpr_malloc(sizeof(*m));
   m->halves = 2;
   m->shutdown = 0;
-  half_init(&m->client, m, buffer_pool, "client");
-  half_init(&m->server, m, buffer_pool, "server");
+  half_init(&m->client, m, resource_quota, "client");
+  half_init(&m->server, m, resource_quota, "server");
   gpr_mu_init(&m->mu);
   *client = &m->client.base;
   *server = &m->server.base;
diff --git a/test/core/util/passthru_endpoint.h b/test/core/util/passthru_endpoint.h
index 9756315..b81ac55 100644
--- a/test/core/util/passthru_endpoint.h
+++ b/test/core/util/passthru_endpoint.h
@@ -38,6 +38,6 @@
 
 void grpc_passthru_endpoint_create(grpc_endpoint **client,
                                    grpc_endpoint **server,
-                                   grpc_buffer_pool *buffer_pool);
+                                   grpc_resource_quota *resource_quota);
 
 #endif
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
index f9e16ca..b2342fe 100644
--- a/test/core/util/port_server_client.c
+++ b/test/core/util/port_server_client.c
@@ -99,12 +99,12 @@
   req.http.path = path;
 
   grpc_httpcli_context_init(&context);
-  grpc_buffer_pool *buffer_pool =
-      grpc_buffer_pool_create("port_server_client/free");
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pops, buffer_pool, &req,
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("port_server_client/free");
+  grpc_httpcli_get(&exec_ctx, &context, &pr.pops, resource_quota, &req,
                    GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10),
                    grpc_closure_create(freed_port_from_server, &pr), &rsp);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   gpr_mu_lock(pr.mu);
   while (!pr.done) {
     grpc_pollset_worker *worker = NULL;
@@ -170,13 +170,13 @@
     req.http.path = "/get";
     grpc_http_response_destroy(&pr->response);
     memset(&pr->response, 0, sizeof(pr->response));
-    grpc_buffer_pool *buffer_pool =
-        grpc_buffer_pool_create("port_server_client/pick_retry");
-    grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pops, buffer_pool, &req,
+    grpc_resource_quota *resource_quota =
+        grpc_resource_quota_create("port_server_client/pick_retry");
+    grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pops, resource_quota, &req,
                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10),
                      grpc_closure_create(got_port_from_server, pr),
                      &pr->response);
-    grpc_buffer_pool_internal_unref(exec_ctx, buffer_pool);
+    grpc_resource_quota_internal_unref(exec_ctx, resource_quota);
     return;
   }
   GPR_ASSERT(response);
@@ -217,13 +217,13 @@
   req.http.path = "/get";
 
   grpc_httpcli_context_init(&context);
-  grpc_buffer_pool *buffer_pool =
-      grpc_buffer_pool_create("port_server_client/pick");
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pops, buffer_pool, &req,
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("port_server_client/pick");
+  grpc_httpcli_get(&exec_ctx, &context, &pr.pops, resource_quota, &req,
                    GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10),
                    grpc_closure_create(got_port_from_server, &pr),
                    &pr.response);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_exec_ctx_finish(&exec_ctx);
   gpr_mu_lock(pr.mu);
   while (pr.port == -1) {