From nobody Wed Nov 5 07:22:30 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1533058584045993.5480011940971; Tue, 31 Jul 2018 10:36:24 -0700 (PDT) Received: from localhost ([::1]:60029 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fkYZK-0005wp-SG for importer@patchew.org; Tue, 31 Jul 2018 13:36:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fkYTs-0001Ug-AN for qemu-devel@nongnu.org; Tue, 31 Jul 2018 13:30:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fkYTp-0004Fv-34 for qemu-devel@nongnu.org; Tue, 31 Jul 2018 13:30:44 -0400 Received: from relay.sw.ru ([185.231.240.75]:60574) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fkYTo-0004EY-Q9; Tue, 31 Jul 2018 13:30:40 -0400 Received: from vz-out.virtuozzo.com ([185.231.240.5] helo=kvm.sw.ru) by relay.sw.ru with esmtp (Exim 4.90_1) (envelope-from ) id 1fkYTl-00080k-My; Tue, 31 Jul 2018 20:30:37 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Tue, 31 Jul 2018 20:30:30 +0300 Message-Id: <20180731173033.75467-8-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20180731173033.75467-1-vsementsov@virtuozzo.com> References: <20180731173033.75467-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v4 07/10] block/nbd-client: rename read_reply_co to connection_co X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, armbru@redhat.com, mreitz@redhat.com, den@openvz.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This coroutine will serve nbd reconnects, so, rename it to be something more generic. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- block/nbd-client.h | 4 ++-- block/nbd-client.c | 24 ++++++++++++------------ 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/block/nbd-client.h b/block/nbd-client.h index 5367425774..e7bda4d3c4 100644 --- a/block/nbd-client.h +++ b/block/nbd-client.h @@ -20,7 +20,7 @@ typedef struct { Coroutine *coroutine; uint64_t offset; /* original offset of the request */ - bool receiving; /* waiting for read_reply_co? */ + bool receiving; /* waiting for connection_co? */ } NBDClientRequest; =20 typedef enum NBDClientState { @@ -37,7 +37,7 @@ typedef struct NBDClientSession { =20 CoMutex send_mutex; CoQueue free_sema; - Coroutine *read_reply_co; + Coroutine *connection_co; int in_flight; NBDClientState state; =20 diff --git a/block/nbd-client.c b/block/nbd-client.c index a91fd3ea3e..c184a9f0e9 100644 --- a/block/nbd-client.c +++ b/block/nbd-client.c @@ -63,7 +63,7 @@ static void nbd_teardown_connection(BlockDriverState *bs) qio_channel_shutdown(client->ioc, QIO_CHANNEL_SHUTDOWN_BOTH, NULL); - BDRV_POLL_WHILE(bs, client->read_reply_co); + BDRV_POLL_WHILE(bs, client->connection_co); =20 nbd_client_detach_aio_context(bs); object_unref(OBJECT(client->sioc)); @@ -72,7 +72,7 @@ static void nbd_teardown_connection(BlockDriverState *bs) client->ioc =3D NULL; } =20 -static coroutine_fn void nbd_read_reply_entry(void *opaque) +static coroutine_fn void nbd_connection_entry(void *opaque) { NBDClientSession *s =3D opaque; uint64_t i; @@ -105,14 +105,14 @@ static coroutine_fn void nbd_read_reply_entry(void *o= paque) } =20 /* We're woken up again by the request itself. Note that there - * is no race between yielding and reentering read_reply_co. This + * is no race between yielding and reentering connection_co. This * is because: * * - if the request runs on the same AioContext, it is only * entered after we yield * * - if the request runs on a different AioContext, reentering - * read_reply_co happens through a bottom half, which can only + * connection_co happens through a bottom half, which can only * run after we yield. */ aio_co_wake(s->requests[i].coroutine); @@ -120,7 +120,7 @@ static coroutine_fn void nbd_read_reply_entry(void *opa= que) } =20 nbd_recv_coroutines_wake_all(s); - s->read_reply_co =3D NULL; + s->connection_co =3D NULL; } =20 static int nbd_co_send_request(BlockDriverState *bs, @@ -428,7 +428,7 @@ static coroutine_fn int nbd_co_do_receive_one_chunk( } *request_ret =3D 0; =20 - /* Wait until we're woken up by nbd_read_reply_entry. */ + /* Wait until we're woken up by nbd_connection_entry. */ s->requests[i].receiving =3D true; qemu_coroutine_yield(); s->requests[i].receiving =3D false; @@ -503,7 +503,7 @@ static coroutine_fn int nbd_co_do_receive_one_chunk( } =20 /* nbd_co_receive_one_chunk - * Read reply, wake up read_reply_co and set s->quit if needed. + * Read reply, wake up connection_co and set s->quit if needed. * Return value is a fatal error code or normal nbd reply error code */ static coroutine_fn int nbd_co_receive_one_chunk( @@ -517,15 +517,15 @@ static coroutine_fn int nbd_co_receive_one_chunk( if (ret < 0) { nbd_channel_error(s, ret); } else { - /* For assert at loop start in nbd_read_reply_entry */ + /* For assert at loop start in nbd_connection_entry */ if (reply) { *reply =3D s->reply; } s->reply.handle =3D 0; } =20 - if (s->read_reply_co) { - aio_co_wake(s->read_reply_co); + if (s->connection_co) { + aio_co_wake(s->connection_co); } =20 return ret; @@ -966,7 +966,7 @@ void nbd_client_attach_aio_context(BlockDriverState *bs, { NBDClientSession *client =3D nbd_get_client_session(bs); qio_channel_attach_aio_context(QIO_CHANNEL(client->ioc), new_context); - aio_co_schedule(new_context, client->read_reply_co); + aio_co_schedule(new_context, client->connection_co); } =20 void nbd_client_close(BlockDriverState *bs) @@ -1066,7 +1066,7 @@ static int nbd_client_connect(BlockDriverState *bs, /* Now that we're connected, set the socket to be non-blocking and * kick the reply mechanism. */ qio_channel_set_blocking(QIO_CHANNEL(sioc), false, NULL); - client->read_reply_co =3D qemu_coroutine_create(nbd_read_reply_entry, = client); + client->connection_co =3D qemu_coroutine_create(nbd_connection_entry, = client); nbd_client_attach_aio_context(bs, bdrv_get_aio_context(bs)); =20 logout("Established connection with NBD server\n"); --=20 2.11.1