From patchwork Tue Jun 11 10:27:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 1113626 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45NR7b1fyJz9s5c for ; Tue, 11 Jun 2019 20:29:13 +1000 (AEST) Received: from localhost ([::1]:55958 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hae1f-0002HV-Tn for incoming@patchwork.ozlabs.org; Tue, 11 Jun 2019 06:29:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60369) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hae06-0002E8-VL for qemu-devel@nongnu.org; Tue, 11 Jun 2019 06:27:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hae00-0001DO-Jo for qemu-devel@nongnu.org; Tue, 11 Jun 2019 06:27:33 -0400 Received: from relay.sw.ru ([185.231.240.75]:45594) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hadzz-0001AZ-Ca; Tue, 11 Jun 2019 06:27:28 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92) (envelope-from ) id 1hadzt-00083J-Rg; Tue, 11 Jun 2019 13:27:21 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Tue, 11 Jun 2019 13:27:20 +0300 Message-Id: <20190611102720.86114-4-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190611102720.86114-1-vsementsov@virtuozzo.com> References: <20190611102720.86114-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH 3/3] block/nbd: merge NBDClientSession struct back to BDRVNBDState X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, mreitz@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" No reason to keep it separate, it differs from others block driver behavior and therefor confuses. Instead of generic 'state = (State*)bs->opaque' we have to use special helper. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- block/nbd.c | 197 +++++++++++++++++++++++++--------------------------- 1 file changed, 94 insertions(+), 103 deletions(-) diff --git a/block/nbd.c b/block/nbd.c index 1f00be2d66..81edabbf35 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -53,7 +53,7 @@ typedef struct { bool receiving; /* waiting for connection_co? */ } NBDClientRequest; -typedef struct NBDClientSession { +typedef struct BDRVNBDState { QIOChannelSocket *sioc; /* The master data channel */ QIOChannel *ioc; /* The current I/O channel which may differ (eg TLS) */ NBDExportInfo info; @@ -67,24 +67,13 @@ typedef struct NBDClientSession { NBDReply reply; BlockDriverState *bs; bool quit; -} NBDClientSession; - -typedef struct BDRVNBDState { - NBDClientSession client; /* For nbd_refresh_filename() */ SocketAddress *saddr; char *export, *tlscredsid; } BDRVNBDState; -static NBDClientSession *nbd_get_client_session(BlockDriverState *bs) -{ - BDRVNBDState *s = bs->opaque; - return &s->client; -} - - -static void nbd_recv_coroutines_wake_all(NBDClientSession *s) +static void nbd_recv_coroutines_wake_all(BDRVNBDState *s) { int i; @@ -99,14 +88,15 @@ static void nbd_recv_coroutines_wake_all(NBDClientSession *s) static void nbd_client_detach_aio_context(BlockDriverState *bs) { - NBDClientSession *client = nbd_get_client_session(bs); - qio_channel_detach_aio_context(QIO_CHANNEL(client->ioc)); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; + + qio_channel_detach_aio_context(QIO_CHANNEL(s->ioc)); } static void nbd_client_attach_aio_context_bh(void *opaque) { BlockDriverState *bs = opaque; - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; /* * The node is still drained, so we know the coroutine has yielded in @@ -114,15 +104,16 @@ static void nbd_client_attach_aio_context_bh(void *opaque) * entered for the first time. Both places are safe for entering the * coroutine. */ - qemu_aio_coroutine_enter(bs->aio_context, client->connection_co); + qemu_aio_coroutine_enter(bs->aio_context, s->connection_co); bdrv_dec_in_flight(bs); } static void nbd_client_attach_aio_context(BlockDriverState *bs, AioContext *new_context) { - NBDClientSession *client = nbd_get_client_session(bs); - qio_channel_attach_aio_context(QIO_CHANNEL(client->ioc), new_context); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; + + qio_channel_attach_aio_context(QIO_CHANNEL(s->ioc), new_context); bdrv_inc_in_flight(bs); @@ -136,26 +127,26 @@ static void nbd_client_attach_aio_context(BlockDriverState *bs, static void nbd_teardown_connection(BlockDriverState *bs) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; - assert(client->ioc); + assert(s->ioc); /* finish any pending coroutines */ - qio_channel_shutdown(client->ioc, + qio_channel_shutdown(s->ioc, QIO_CHANNEL_SHUTDOWN_BOTH, NULL); - BDRV_POLL_WHILE(bs, client->connection_co); + BDRV_POLL_WHILE(bs, s->connection_co); nbd_client_detach_aio_context(bs); - object_unref(OBJECT(client->sioc)); - client->sioc = NULL; - object_unref(OBJECT(client->ioc)); - client->ioc = NULL; + object_unref(OBJECT(s->sioc)); + s->sioc = NULL; + object_unref(OBJECT(s->ioc)); + s->ioc = NULL; } static coroutine_fn void nbd_connection_entry(void *opaque) { - NBDClientSession *s = opaque; + BDRVNBDState *s = opaque; uint64_t i; int ret = 0; Error *local_err = NULL; @@ -223,7 +214,7 @@ static int nbd_co_send_request(BlockDriverState *bs, NBDRequest *request, QEMUIOVector *qiov) { - NBDClientSession *s = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; int rc, i; qemu_co_mutex_lock(&s->send_mutex); @@ -298,7 +289,7 @@ static inline uint64_t payload_advance64(uint8_t **payload) return ldq_be_p(*payload - 8); } -static int nbd_parse_offset_hole_payload(NBDClientSession *client, +static int nbd_parse_offset_hole_payload(BDRVNBDState *s, NBDStructuredReplyChunk *chunk, uint8_t *payload, uint64_t orig_offset, QEMUIOVector *qiov, Error **errp) @@ -321,8 +312,8 @@ static int nbd_parse_offset_hole_payload(NBDClientSession *client, " region"); return -EINVAL; } - if (client->info.min_block && - !QEMU_IS_ALIGNED(hole_size, client->info.min_block)) { + if (s->info.min_block && + !QEMU_IS_ALIGNED(hole_size, s->info.min_block)) { trace_nbd_structured_read_compliance("hole"); } @@ -336,7 +327,7 @@ static int nbd_parse_offset_hole_payload(NBDClientSession *client, * Based on our request, we expect only one extent in reply, for the * base:allocation context. */ -static int nbd_parse_blockstatus_payload(NBDClientSession *client, +static int nbd_parse_blockstatus_payload(BDRVNBDState *s, NBDStructuredReplyChunk *chunk, uint8_t *payload, uint64_t orig_length, NBDExtent *extent, Error **errp) @@ -351,11 +342,11 @@ static int nbd_parse_blockstatus_payload(NBDClientSession *client, } context_id = payload_advance32(&payload); - if (client->info.context_id != context_id) { + if (s->info.context_id != context_id) { error_setg(errp, "Protocol error: unexpected context id %d for " "NBD_REPLY_TYPE_BLOCK_STATUS, when negotiated context " "id is %d", context_id, - client->info.context_id); + s->info.context_id); return -EINVAL; } @@ -380,14 +371,14 @@ static int nbd_parse_blockstatus_payload(NBDClientSession *client, * up to the full block and change the status to fully-allocated * (always a safe status, even if it loses information). */ - if (client->info.min_block && !QEMU_IS_ALIGNED(extent->length, - client->info.min_block)) { + if (s->info.min_block && !QEMU_IS_ALIGNED(extent->length, + s->info.min_block)) { trace_nbd_parse_blockstatus_compliance("extent length is unaligned"); - if (extent->length > client->info.min_block) { + if (extent->length > s->info.min_block) { extent->length = QEMU_ALIGN_DOWN(extent->length, - client->info.min_block); + s->info.min_block); } else { - extent->length = client->info.min_block; + extent->length = s->info.min_block; extent->flags = 0; } } @@ -453,7 +444,7 @@ static int nbd_parse_error_payload(NBDStructuredReplyChunk *chunk, return 0; } -static int nbd_co_receive_offset_data_payload(NBDClientSession *s, +static int nbd_co_receive_offset_data_payload(BDRVNBDState *s, uint64_t orig_offset, QEMUIOVector *qiov, Error **errp) { @@ -498,7 +489,7 @@ static int nbd_co_receive_offset_data_payload(NBDClientSession *s, #define NBD_MAX_MALLOC_PAYLOAD 1000 static coroutine_fn int nbd_co_receive_structured_payload( - NBDClientSession *s, void **payload, Error **errp) + BDRVNBDState *s, void **payload, Error **errp) { int ret; uint32_t len; @@ -548,7 +539,7 @@ static coroutine_fn int nbd_co_receive_structured_payload( * corresponding to the server's error reply), and errp is unchanged. */ static coroutine_fn int nbd_co_do_receive_one_chunk( - NBDClientSession *s, uint64_t handle, bool only_structured, + BDRVNBDState *s, uint64_t handle, bool only_structured, int *request_ret, QEMUIOVector *qiov, void **payload, Error **errp) { int ret; @@ -641,7 +632,7 @@ static coroutine_fn int nbd_co_do_receive_one_chunk( * Return value is a fatal error code or normal nbd reply error code */ static coroutine_fn int nbd_co_receive_one_chunk( - NBDClientSession *s, uint64_t handle, bool only_structured, + BDRVNBDState *s, uint64_t handle, bool only_structured, int *request_ret, QEMUIOVector *qiov, NBDReply *reply, void **payload, Error **errp) { @@ -709,7 +700,7 @@ static void nbd_iter_request_error(NBDReplyChunkIter *iter, int ret) * nbd_reply_chunk_iter_receive * The pointer stored in @payload requires g_free() to free it. */ -static bool nbd_reply_chunk_iter_receive(NBDClientSession *s, +static bool nbd_reply_chunk_iter_receive(BDRVNBDState *s, NBDReplyChunkIter *iter, uint64_t handle, QEMUIOVector *qiov, NBDReply *reply, @@ -776,7 +767,7 @@ break_loop: return false; } -static int nbd_co_receive_return_code(NBDClientSession *s, uint64_t handle, +static int nbd_co_receive_return_code(BDRVNBDState *s, uint64_t handle, int *request_ret, Error **errp) { NBDReplyChunkIter iter; @@ -790,7 +781,7 @@ static int nbd_co_receive_return_code(NBDClientSession *s, uint64_t handle, return iter.ret; } -static int nbd_co_receive_cmdread_reply(NBDClientSession *s, uint64_t handle, +static int nbd_co_receive_cmdread_reply(BDRVNBDState *s, uint64_t handle, uint64_t offset, QEMUIOVector *qiov, int *request_ret, Error **errp) { @@ -842,7 +833,7 @@ static int nbd_co_receive_cmdread_reply(NBDClientSession *s, uint64_t handle, return iter.ret; } -static int nbd_co_receive_blockstatus_reply(NBDClientSession *s, +static int nbd_co_receive_blockstatus_reply(BDRVNBDState *s, uint64_t handle, uint64_t length, NBDExtent *extent, int *request_ret, Error **errp) @@ -907,7 +898,7 @@ static int nbd_co_request(BlockDriverState *bs, NBDRequest *request, { int ret, request_ret; Error *local_err = NULL; - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; assert(request->type != NBD_CMD_READ); if (write_qiov) { @@ -921,7 +912,7 @@ static int nbd_co_request(BlockDriverState *bs, NBDRequest *request, return ret; } - ret = nbd_co_receive_return_code(client, request->handle, + ret = nbd_co_receive_return_code(s, request->handle, &request_ret, &local_err); if (local_err) { trace_nbd_co_request_fail(request->from, request->len, request->handle, @@ -938,7 +929,7 @@ static int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset, { int ret, request_ret; Error *local_err = NULL; - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_READ, .from = offset, @@ -957,13 +948,13 @@ static int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset, * advertised size because the block layer rounded size up, then * truncate the request to the server and tail-pad with zero. */ - if (offset >= client->info.size) { + if (offset >= s->info.size) { assert(bytes < BDRV_SECTOR_SIZE); qemu_iovec_memset(qiov, 0, 0, bytes); return 0; } - if (offset + bytes > client->info.size) { - uint64_t slop = offset + bytes - client->info.size; + if (offset + bytes > s->info.size) { + uint64_t slop = offset + bytes - s->info.size; assert(slop < BDRV_SECTOR_SIZE); qemu_iovec_memset(qiov, bytes - slop, 0, slop); @@ -975,7 +966,7 @@ static int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset, return ret; } - ret = nbd_co_receive_cmdread_reply(client, request.handle, offset, qiov, + ret = nbd_co_receive_cmdread_reply(s, request.handle, offset, qiov, &request_ret, &local_err); if (local_err) { trace_nbd_co_request_fail(request.from, request.len, request.handle, @@ -990,16 +981,16 @@ static int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset, static int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_WRITE, .from = offset, .len = bytes, }; - assert(!(client->info.flags & NBD_FLAG_READ_ONLY)); + assert(!(s->info.flags & NBD_FLAG_READ_ONLY)); if (flags & BDRV_REQ_FUA) { - assert(client->info.flags & NBD_FLAG_SEND_FUA); + assert(s->info.flags & NBD_FLAG_SEND_FUA); request.flags |= NBD_CMD_FLAG_FUA; } @@ -1014,20 +1005,20 @@ static int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset, static int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int bytes, BdrvRequestFlags flags) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_WRITE_ZEROES, .from = offset, .len = bytes, }; - assert(!(client->info.flags & NBD_FLAG_READ_ONLY)); - if (!(client->info.flags & NBD_FLAG_SEND_WRITE_ZEROES)) { + assert(!(s->info.flags & NBD_FLAG_READ_ONLY)); + if (!(s->info.flags & NBD_FLAG_SEND_WRITE_ZEROES)) { return -ENOTSUP; } if (flags & BDRV_REQ_FUA) { - assert(client->info.flags & NBD_FLAG_SEND_FUA); + assert(s->info.flags & NBD_FLAG_SEND_FUA); request.flags |= NBD_CMD_FLAG_FUA; } if (!(flags & BDRV_REQ_MAY_UNMAP)) { @@ -1042,10 +1033,10 @@ static int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, static int nbd_client_co_flush(BlockDriverState *bs) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_FLUSH }; - if (!(client->info.flags & NBD_FLAG_SEND_FLUSH)) { + if (!(s->info.flags & NBD_FLAG_SEND_FLUSH)) { return 0; } @@ -1058,15 +1049,15 @@ static int nbd_client_co_flush(BlockDriverState *bs) static int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_TRIM, .from = offset, .len = bytes, }; - assert(!(client->info.flags & NBD_FLAG_READ_ONLY)); - if (!(client->info.flags & NBD_FLAG_SEND_TRIM) || !bytes) { + assert(!(s->info.flags & NBD_FLAG_READ_ONLY)); + if (!(s->info.flags & NBD_FLAG_SEND_TRIM) || !bytes) { return 0; } @@ -1079,7 +1070,7 @@ static int coroutine_fn nbd_client_co_block_status( { int ret, request_ret; NBDExtent extent = { 0 }; - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; Error *local_err = NULL; NBDRequest request = { @@ -1087,12 +1078,12 @@ static int coroutine_fn nbd_client_co_block_status( .from = offset, .len = MIN(MIN_NON_ZERO(QEMU_ALIGN_DOWN(INT_MAX, bs->bl.request_alignment), - client->info.max_block), - MIN(bytes, client->info.size - offset)), + s->info.max_block), + MIN(bytes, s->info.size - offset)), .flags = NBD_CMD_FLAG_REQ_ONE, }; - if (!client->info.base_allocation) { + if (!s->info.base_allocation) { *pnum = bytes; *map = offset; *file = bs; @@ -1106,22 +1097,22 @@ static int coroutine_fn nbd_client_co_block_status( * up, we truncated the request to the server (above), or are * called on just the hole. */ - if (offset >= client->info.size) { + if (offset >= s->info.size) { *pnum = bytes; assert(bytes < BDRV_SECTOR_SIZE); /* Intentionally don't report offset_valid for the hole */ return BDRV_BLOCK_ZERO; } - if (client->info.min_block) { - assert(QEMU_IS_ALIGNED(request.len, client->info.min_block)); + if (s->info.min_block) { + assert(QEMU_IS_ALIGNED(request.len, s->info.min_block)); } ret = nbd_co_send_request(bs, &request, NULL); if (ret < 0) { return ret; } - ret = nbd_co_receive_blockstatus_reply(client, request.handle, bytes, + ret = nbd_co_receive_blockstatus_reply(s, request.handle, bytes, &extent, &request_ret, &local_err); if (local_err) { trace_nbd_co_request_fail(request.from, request.len, request.handle, @@ -1145,12 +1136,12 @@ static int coroutine_fn nbd_client_co_block_status( static void nbd_client_close(BlockDriverState *bs) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_DISC }; - assert(client->ioc); + assert(s->ioc); - nbd_send_request(client->ioc, &request); + nbd_send_request(s->ioc, &request); nbd_teardown_connection(bs); } @@ -1184,7 +1175,7 @@ static int nbd_client_connect(BlockDriverState *bs, const char *x_dirty_bitmap, Error **errp) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; int ret; /* @@ -1201,44 +1192,44 @@ static int nbd_client_connect(BlockDriverState *bs, trace_nbd_client_connect(export); qio_channel_set_blocking(QIO_CHANNEL(sioc), true, NULL); - client->info.request_sizes = true; - client->info.structured_reply = true; - client->info.base_allocation = true; - client->info.x_dirty_bitmap = g_strdup(x_dirty_bitmap); - client->info.name = g_strdup(export ?: ""); + s->info.request_sizes = true; + s->info.structured_reply = true; + s->info.base_allocation = true; + s->info.x_dirty_bitmap = g_strdup(x_dirty_bitmap); + s->info.name = g_strdup(export ?: ""); ret = nbd_receive_negotiate(QIO_CHANNEL(sioc), tlscreds, hostname, - &client->ioc, &client->info, errp); - g_free(client->info.x_dirty_bitmap); - g_free(client->info.name); + &s->ioc, &s->info, errp); + g_free(s->info.x_dirty_bitmap); + g_free(s->info.name); if (ret < 0) { object_unref(OBJECT(sioc)); return ret; } - if (x_dirty_bitmap && !client->info.base_allocation) { + if (x_dirty_bitmap && !s->info.base_allocation) { error_setg(errp, "requested x-dirty-bitmap %s not found", x_dirty_bitmap); ret = -EINVAL; goto fail; } - if (client->info.flags & NBD_FLAG_READ_ONLY) { + if (s->info.flags & NBD_FLAG_READ_ONLY) { ret = bdrv_apply_auto_read_only(bs, "NBD export is read-only", errp); if (ret < 0) { goto fail; } } - if (client->info.flags & NBD_FLAG_SEND_FUA) { + if (s->info.flags & NBD_FLAG_SEND_FUA) { bs->supported_write_flags = BDRV_REQ_FUA; bs->supported_zero_flags |= BDRV_REQ_FUA; } - if (client->info.flags & NBD_FLAG_SEND_WRITE_ZEROES) { + if (s->info.flags & NBD_FLAG_SEND_WRITE_ZEROES) { bs->supported_zero_flags |= BDRV_REQ_MAY_UNMAP; } - client->sioc = sioc; + s->sioc = sioc; - if (!client->ioc) { - client->ioc = QIO_CHANNEL(sioc); - object_ref(OBJECT(client->ioc)); + if (!s->ioc) { + s->ioc = QIO_CHANNEL(sioc); + object_ref(OBJECT(s->ioc)); } /* @@ -1246,7 +1237,7 @@ static int nbd_client_connect(BlockDriverState *bs, * kick the reply mechanism. */ qio_channel_set_blocking(QIO_CHANNEL(sioc), false, NULL); - client->connection_co = qemu_coroutine_create(nbd_connection_entry, client); + s->connection_co = qemu_coroutine_create(nbd_connection_entry, s); bdrv_inc_in_flight(bs); nbd_client_attach_aio_context(bs, bdrv_get_aio_context(bs)); @@ -1263,7 +1254,7 @@ static int nbd_client_connect(BlockDriverState *bs, { NBDRequest request = { .type = NBD_CMD_DISC }; - nbd_send_request(client->ioc ?: QIO_CHANNEL(sioc), &request); + nbd_send_request(s->ioc ?: QIO_CHANNEL(sioc), &request); object_unref(OBJECT(sioc)); @@ -1279,11 +1270,11 @@ static int nbd_client_init(BlockDriverState *bs, const char *x_dirty_bitmap, Error **errp) { - NBDClientSession *client = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; - client->bs = bs; - qemu_co_mutex_init(&client->send_mutex); - qemu_co_queue_init(&client->free_sema); + s->bs = bs; + qemu_co_mutex_init(&s->send_mutex); + qemu_co_queue_init(&s->free_sema); return nbd_client_connect(bs, saddr, export, tlscreds, hostname, x_dirty_bitmap, errp); @@ -1665,7 +1656,7 @@ static int nbd_co_flush(BlockDriverState *bs) static void nbd_refresh_limits(BlockDriverState *bs, Error **errp) { - NBDClientSession *s = nbd_get_client_session(bs); + BDRVNBDState *s = (BDRVNBDState *)bs->opaque; uint32_t min = s->info.min_block; uint32_t max = MIN_NON_ZERO(NBD_MAX_BUFFER_SIZE, s->info.max_block); @@ -1712,7 +1703,7 @@ static int64_t nbd_getlength(BlockDriverState *bs) { BDRVNBDState *s = bs->opaque; - return s->client.info.size; + return s->info.size; } static void nbd_refresh_filename(BlockDriverState *bs)