diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-syncop.c')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-syncop.c | 170 |
1 files changed, 114 insertions, 56 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-syncop.c b/xlators/mgmt/glusterd/src/glusterd-syncop.c index 534e3032105..a910406f158 100644 --- a/xlators/mgmt/glusterd/src/glusterd-syncop.c +++ b/xlators/mgmt/glusterd/src/glusterd-syncop.c @@ -1030,6 +1030,9 @@ gd_build_peers_list (struct list_head *peers, struct list_head *xact_peers, glusterd_peerinfo_t *peerinfo = NULL; int npeers = 0; + GF_ASSERT (peers); + GF_ASSERT (xact_peers); + list_for_each_entry (peerinfo, peers, uuid_list) { if (!peerinfo->connected) continue; @@ -1044,18 +1047,65 @@ gd_build_peers_list (struct list_head *peers, struct list_head *xact_peers, } int -gd_lock_op_phase (glusterd_conf_t *conf, glusterd_op_t op, dict_t *op_ctx, - char **op_errstr, int npeers, uuid_t txn_id) +gd_build_local_xaction_peers_list (struct list_head *peers, + struct list_head *xact_peers, + glusterd_op_t op) { - int ret = -1; - int peer_cnt = 0; - uuid_t peer_uuid = {0}; - xlator_t *this = NULL; - glusterd_peerinfo_t *peerinfo = NULL; - struct syncargs args = {0}; - struct list_head *peers = NULL; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_local_peers_t *local_peers = NULL; + int npeers = 0; + + GF_ASSERT (peers); + GF_ASSERT (xact_peers); - peers = &conf->xaction_peers; + list_for_each_entry (peerinfo, peers, uuid_list) { + if (!peerinfo->connected) + continue; + if (op != GD_OP_SYNC_VOLUME && + peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) + continue; + + local_peers = GF_CALLOC (1, sizeof (*local_peers), + gf_gld_mt_local_peers_t); + if (!local_peers) { + return -1; + } + INIT_LIST_HEAD (&local_peers->op_peers_list); + local_peers->peerinfo = peerinfo; + list_add_tail (&local_peers->op_peers_list, xact_peers); + npeers++; + } + return npeers; +} + +void +gd_cleanup_local_xaction_peers_list (struct list_head *xact_peers) +{ + GF_ASSERT (xact_peers); + + if (list_empty (xact_peers)) + return; + + glusterd_local_peers_t *local_peers = NULL; + + list_for_each_entry (local_peers, xact_peers, op_peers_list) { + GF_FREE (local_peers); + /* local_peers->peerinfo need not be freed because it does not + * ownership of peerinfo, but merely refer it */ + } +} + +int +gd_lock_op_phase (glusterd_conf_t *conf, glusterd_op_t op, dict_t *op_ctx, + char **op_errstr, int npeers, uuid_t txn_id, + struct list_head *peers) +{ + int ret = -1; + int peer_cnt = 0; + uuid_t peer_uuid = {0}; + xlator_t *this = NULL; + glusterd_peerinfo_t *peerinfo = NULL; + struct syncargs args = {0}; if (!npeers) { ret = 0; @@ -1065,7 +1115,7 @@ gd_lock_op_phase (glusterd_conf_t *conf, glusterd_op_t op, dict_t *op_ctx, this = THIS; synctask_barrier_init((&args)); peer_cnt = 0; - list_for_each_entry (peerinfo, peers, op_peers_list) { + list_for_each_local_xaction_peers (peerinfo, peers) { if (conf->op_version < GD_OP_VERSION_3_6_0) { /* Reset lock status */ peerinfo->locked = _gf_false; @@ -1106,16 +1156,16 @@ int gd_stage_op_phase (struct list_head *peers, glusterd_op_t op, dict_t *op_ctx, dict_t *req_dict, char **op_errstr, int npeers) { - int ret = -1; - int peer_cnt = 0; - dict_t *rsp_dict = NULL; - char *hostname = NULL; - xlator_t *this = NULL; - glusterd_peerinfo_t *peerinfo = NULL; - uuid_t tmp_uuid = {0}; - char *errstr = NULL; - struct syncargs args = {0}; - dict_t *aggr_dict = NULL; + int ret = -1; + int peer_cnt = 0; + dict_t *rsp_dict = NULL; + char *hostname = NULL; + xlator_t *this = NULL; + glusterd_peerinfo_t *peerinfo = NULL; + uuid_t tmp_uuid = {0}; + char *errstr = NULL; + struct syncargs args = {0}; + dict_t *aggr_dict = NULL; this = THIS; rsp_dict = dict_new (); @@ -1165,7 +1215,8 @@ stage_done: gd_syncargs_init (&args, aggr_dict); synctask_barrier_init((&args)); peer_cnt = 0; - list_for_each_entry (peerinfo, peers, op_peers_list) { + + list_for_each_local_xaction_peers (peerinfo, peers) { ret = gd_syncop_mgmt_stage_op (peerinfo, &args, MY_UUID, tmp_uuid, op, req_dict, op_ctx); @@ -1202,16 +1253,16 @@ int gd_commit_op_phase (struct list_head *peers, glusterd_op_t op, dict_t *op_ctx, dict_t *req_dict, char **op_errstr, int npeers) { - dict_t *rsp_dict = NULL; - int peer_cnt = -1; - int ret = -1; - char *hostname = NULL; - glusterd_peerinfo_t *peerinfo = NULL; - xlator_t *this = NULL; - uuid_t tmp_uuid = {0}; - char *errstr = NULL; - struct syncargs args = {0}; - int type = GF_QUOTA_OPTION_TYPE_NONE; + dict_t *rsp_dict = NULL; + int peer_cnt = -1; + int ret = -1; + char *hostname = NULL; + glusterd_peerinfo_t *peerinfo = NULL; + xlator_t *this = NULL; + uuid_t tmp_uuid = {0}; + char *errstr = NULL; + struct syncargs args = {0}; + int type = GF_QUOTA_OPTION_TYPE_NONE; this = THIS; rsp_dict = dict_new (); @@ -1269,7 +1320,8 @@ commit_done: gd_syncargs_init (&args, op_ctx); synctask_barrier_init((&args)); peer_cnt = 0; - list_for_each_entry (peerinfo, peers, op_peers_list) { + + list_for_each_local_xaction_peers (peerinfo, peers) { ret = gd_syncop_mgmt_commit_op (peerinfo, &args, MY_UUID, tmp_uuid, op, req_dict, op_ctx); @@ -1301,18 +1353,15 @@ int gd_unlock_op_phase (glusterd_conf_t *conf, glusterd_op_t op, int *op_ret, rpcsvc_request_t *req, dict_t *op_ctx, char *op_errstr, int npeers, char *volname, gf_boolean_t is_acquired, - uuid_t txn_id) + uuid_t txn_id, struct list_head *peers) { - glusterd_peerinfo_t *peerinfo = NULL; - glusterd_peerinfo_t *tmp = NULL; - uuid_t tmp_uuid = {0}; - int peer_cnt = 0; - int ret = -1; - xlator_t *this = NULL; - struct syncargs args = {0}; - struct list_head *peers = NULL; - - peers = &conf->xaction_peers; + glusterd_peerinfo_t *peerinfo = NULL; + uuid_t tmp_uuid = {0}; + int peer_cnt = 0; + int ret = -1; + xlator_t *this = NULL; + struct syncargs args = {0}; + this = THIS; GF_ASSERT (this); @@ -1330,25 +1379,23 @@ gd_unlock_op_phase (glusterd_conf_t *conf, glusterd_op_t op, int *op_ret, synctask_barrier_init((&args)); peer_cnt = 0; + if (conf->op_version < GD_OP_VERSION_3_6_0) { - list_for_each_entry_safe (peerinfo, tmp, peers, op_peers_list) { + list_for_each_local_xaction_peers (peerinfo, peers) { /* Only unlock peers that were locked */ if (peerinfo->locked) { gd_syncop_mgmt_unlock (peerinfo, &args, MY_UUID, tmp_uuid); peer_cnt++; - list_del_init (&peerinfo->op_peers_list); } } } else { if (volname) { - list_for_each_entry_safe (peerinfo, tmp, - peers, op_peers_list) { + list_for_each_local_xaction_peers (peerinfo, peers) { gd_syncop_mgmt_v3_unlock (op_ctx, peerinfo, &args, MY_UUID, tmp_uuid, txn_id); peer_cnt++; - list_del_init (&peerinfo->op_peers_list); } } } @@ -1502,6 +1549,7 @@ gd_sync_task_begin (dict_t *op_ctx, rpcsvc_request_t * req) xlator_t *this = NULL; gf_boolean_t is_acquired = _gf_false; uuid_t *txn_id = NULL; + struct list_head xaction_peers = {0,}; glusterd_op_info_t txn_opinfo; this = THIS; @@ -1509,6 +1557,8 @@ gd_sync_task_begin (dict_t *op_ctx, rpcsvc_request_t * req) conf = this->private; GF_ASSERT (conf); + INIT_LIST_HEAD (&xaction_peers); + ret = dict_get_int32 (op_ctx, GD_SYNC_OPCODE_KEY, &tmp_op); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to get volume " @@ -1591,15 +1641,20 @@ gd_sync_task_begin (dict_t *op_ctx, rpcsvc_request_t * req) local_locking_done: - INIT_LIST_HEAD (&conf->xaction_peers); - - npeers = gd_build_peers_list (&conf->peers, &conf->xaction_peers, op); + /* Maintain xaction_peers on per transaction basis */ + npeers = gd_build_local_xaction_peers_list (&conf->peers, + &xaction_peers, op); + if (npeers == -1) { + gf_log (this->name, GF_LOG_ERROR, "building local peers list " + "failed"); + goto out; + } /* If no volname is given as a part of the command, locks will * not be held */ if (volname || (conf->op_version < GD_OP_VERSION_3_6_0)) { ret = gd_lock_op_phase (conf, op, op_ctx, &op_errstr, - npeers, *txn_id); + npeers, *txn_id, &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Locking Peers Failed."); @@ -1616,7 +1671,7 @@ local_locking_done: goto out; } - ret = gd_stage_op_phase (&conf->xaction_peers, op, op_ctx, req_dict, + ret = gd_stage_op_phase (&xaction_peers, op, op_ctx, req_dict, &op_errstr, npeers); if (ret) goto out; @@ -1625,7 +1680,7 @@ local_locking_done: if (ret) goto out; - ret = gd_commit_op_phase (&conf->xaction_peers, op, op_ctx, req_dict, + ret = gd_commit_op_phase (&xaction_peers, op, op_ctx, req_dict, &op_errstr, npeers); if (ret) goto out; @@ -1637,7 +1692,8 @@ out: (void) gd_unlock_op_phase (conf, op, &op_ret, req, op_ctx, op_errstr, npeers, volname, - is_acquired, *txn_id); + is_acquired, *txn_id, + &xaction_peers); /* Clearing the transaction opinfo */ ret = glusterd_clear_txn_opinfo (txn_id); @@ -1650,6 +1706,8 @@ out: glusterd_op_send_cli_response (op, op_ret, 0, req, op_ctx, op_errstr); + gd_cleanup_local_xaction_peers_list (&xaction_peers); + if (volname) GF_FREE (volname); |