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author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2013-12-01 22:23:43 +0100 |
---|---|---|
committer | Gerd Hoffmann <kraxel@redhat.com> | 2013-12-16 10:12:20 +0100 |
commit | e2bc625f9bbb3a5d3ef2cb0f14dd52b517b92ffd (patch) | |
tree | 724caddcd255f32333e988d2b95e25e27a43d211 /block | |
parent | e53a18e488c657bbc6f218ae60de8e813a912667 (diff) | |
download | qemu-e2bc625f9bbb3a5d3ef2cb0f14dd52b517b92ffd.zip qemu-e2bc625f9bbb3a5d3ef2cb0f14dd52b517b92ffd.tar.gz qemu-e2bc625f9bbb3a5d3ef2cb0f14dd52b517b92ffd.tar.bz2 |
nbd: pass export name as init argument
There is no need to keep the export name around, and it seems a better
fit as an argument in the init() call.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'block')
-rw-r--r-- | block/nbd-client.c | 9 | ||||
-rw-r--r-- | block/nbd-client.h | 5 | ||||
-rw-r--r-- | block/nbd.c | 13 |
3 files changed, 14 insertions, 13 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c index 693110d..3dfae1d 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 c271236..f2a6337 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 be75ba0..4455a13 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, |