diff options
| -rw-r--r-- | block/nbd-client.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c index 25bcaa2..ea728ff 100644 --- a/block/nbd-client.c +++ b/block/nbd-client.c @@ -144,12 +144,12 @@ static int nbd_co_send_request(BlockDriverState *bs, request->handle = INDEX_TO_HANDLE(s, i); if (s->quit) { - qemu_co_mutex_unlock(&s->send_mutex); - return -EIO; + rc = -EIO; + goto err; } if (!s->ioc) { - qemu_co_mutex_unlock(&s->send_mutex); - return -EPIPE; + rc = -EPIPE; + goto err; } if (qiov) { @@ -166,8 +166,13 @@ static int nbd_co_send_request(BlockDriverState *bs, } else { rc = nbd_send_request(s->ioc, request); } + +err: if (rc < 0) { s->quit = true; + s->requests[i].coroutine = NULL; + s->in_flight--; + qemu_co_queue_next(&s->free_sema); } qemu_co_mutex_unlock(&s->send_mutex); return rc; @@ -201,13 +206,6 @@ static void nbd_co_receive_reply(NBDClientSession *s, /* Tell the read handler to read another header. */ s->reply.handle = 0; } -} - -static void nbd_coroutine_end(BlockDriverState *bs, - NBDRequest *request) -{ - NBDClientSession *s = nbd_get_client_session(bs); - int i = HANDLE_TO_INDEX(s, request->handle); s->requests[i].coroutine = NULL; @@ -243,7 +241,6 @@ int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset, } else { nbd_co_receive_reply(client, &request, &reply, qiov); } - nbd_coroutine_end(bs, &request); return -reply.error; } @@ -272,7 +269,6 @@ int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset, } else { nbd_co_receive_reply(client, &request, &reply, NULL); } - nbd_coroutine_end(bs, &request); return -reply.error; } @@ -306,7 +302,6 @@ int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, } else { nbd_co_receive_reply(client, &request, &reply, NULL); } - nbd_coroutine_end(bs, &request); return -reply.error; } @@ -330,7 +325,6 @@ int nbd_client_co_flush(BlockDriverState *bs) } else { nbd_co_receive_reply(client, &request, &reply, NULL); } - nbd_coroutine_end(bs, &request); return -reply.error; } @@ -355,7 +349,6 @@ int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) } else { nbd_co_receive_reply(client, &request, &reply, NULL); } - nbd_coroutine_end(bs, &request); return -reply.error; } |