From 430e4872db43447c8a15b638760d23c188257139 Mon Sep 17 00:00:00 2001 From: Raghavendra G Date: Wed, 30 May 2018 09:34:44 +0530 Subject: protocol/client: Don't send fops till SETVOLUME is complete An earlier commit set conf->connected just after rpc layer sends RPC_CLNT_CONNECT event. However, success of socket level connection connection doesn't indicate brick stack is ready to receive fops, as an handshake has to be done b/w client and server after RPC_CLNT_CONNECT event. Any fop sent to brick in the window between, * protocol/client receiving RPC_CLNT_CONNECT event * protocol/client receiving a successful setvolume response can end up accessing an uninitialized brick stack. So, set conf->connected only after a successful SETVOLUME. Change-Id: I139a03d2da6b0d95a0d68391fcf54b00e749decf fixes: bz#1583937 Signed-off-by: Raghavendra G --- xlators/protocol/client/src/client.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'xlators/protocol/client/src/client.c') diff --git a/xlators/protocol/client/src/client.c b/xlators/protocol/client/src/client.c index b267321afbe..078236647ad 100644 --- a/xlators/protocol/client/src/client.c +++ b/xlators/protocol/client/src/client.c @@ -2225,7 +2225,7 @@ client_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, } case RPC_CLNT_CONNECT: { - conf->connected = 1; + conf->can_log_disconnect = 1; // connect happened, send 'get_supported_versions' mop gf_msg_debug (this->name, 0, "got RPC_CLNT_CONNECT"); @@ -2243,7 +2243,7 @@ client_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, client_mark_fd_bad (this); if (!conf->skip_notify) { - if (conf->connected) { + if (conf->can_log_disconnect) { if (!conf->disconnect_err_logged) { gf_msg (this->name, GF_LOG_INFO, 0, PC_MSG_CLIENT_DISCONNECTED, @@ -2278,12 +2278,13 @@ client_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, "CHILD_DOWN notify failed"); } else { - if (conf->connected) + if (conf->can_log_disconnect) gf_msg_debug (this->name, 0, "disconnected (skipped notify)"); } conf->connected = 0; + conf->can_log_disconnect = 0; conf->skip_notify = 0; if (conf->quick_reconnect) { -- cgit