aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--block/nbd-client.c9
-rw-r--r--block/nbd-client.h5
-rw-r--r--block/nbd.c13
3 files changed, 14 insertions, 13 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c
index 693110d26d..3dfae1da09 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -338,18 +338,17 @@ static void nbd_teardown_connection(NbdClientSession *client)
void nbd_client_session_close(NbdClientSession *client)
{
nbd_teardown_connection(client);
- g_free(client->export_name);
- client->export_name = NULL;
}
-int nbd_client_session_init(NbdClientSession *client,
- BlockDriverState *bs, int sock)
+int nbd_client_session_init(NbdClientSession *client, BlockDriverState *bs,
+ int sock, const char *export)
{
int ret;
/* NBD handshake */
+ logout("session init %s\n", export);
qemu_set_block(sock);
- ret = nbd_receive_negotiate(sock, client->export_name,
+ ret = nbd_receive_negotiate(sock, export,
&client->nbdflags, &client->size,
&client->blocksize);
if (ret < 0) {
diff --git a/block/nbd-client.h b/block/nbd-client.h
index c271236911..f2a63378bb 100644
--- a/block/nbd-client.h
+++ b/block/nbd-client.h
@@ -30,14 +30,13 @@ typedef struct NbdClientSession {
Coroutine *recv_coroutine[MAX_NBD_REQUESTS];
struct nbd_reply reply;
- char *export_name; /* An NBD server may export several devices */
bool is_unix;
BlockDriverState *bs;
} NbdClientSession;
-int nbd_client_session_init(NbdClientSession *client,
- BlockDriverState *bs, int sock);
+int nbd_client_session_init(NbdClientSession *client, BlockDriverState *bs,
+ int sock, const char *export_name);
void nbd_client_session_close(NbdClientSession *client);
int nbd_client_session_co_discard(NbdClientSession *client, int64_t sector_num,
diff --git a/block/nbd.c b/block/nbd.c
index be75ba074c..4455a134db 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -188,7 +188,7 @@ out:
g_free(file);
}
-static int nbd_config(BDRVNBDState *s, QDict *options)
+static int nbd_config(BDRVNBDState *s, QDict *options, char **export)
{
Error *local_err = NULL;
@@ -218,8 +218,8 @@ static int nbd_config(BDRVNBDState *s, QDict *options)
qemu_opt_set_number(s->socket_opts, "port", NBD_DEFAULT_PORT);
}
- s->client.export_name = g_strdup(qdict_get_try_str(options, "export"));
- if (s->client.export_name) {
+ *export = g_strdup(qdict_get_try_str(options, "export"));
+ if (*export) {
qdict_del(options, "export");
}
@@ -253,10 +253,11 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVNBDState *s = bs->opaque;
+ char *export = NULL;
int result, sock;
/* Pop the config into our state object. Exit if invalid. */
- result = nbd_config(s, options);
+ result = nbd_config(s, options, &export);
if (result != 0) {
return result;
}
@@ -270,7 +271,9 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
}
/* NBD handshake */
- return nbd_client_session_init(&s->client, bs, sock);
+ result = nbd_client_session_init(&s->client, bs, sock, export);
+ g_free(export);
+ return result;
}
static int nbd_co_readv(BlockDriverState *bs, int64_t sector_num,