diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-mgmt.c')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-mgmt.c | 162 |
1 files changed, 82 insertions, 80 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-mgmt.c b/xlators/mgmt/glusterd/src/glusterd-mgmt.c index f26c676cd67..0cdaaaeda9a 100644 --- a/xlators/mgmt/glusterd/src/glusterd-mgmt.c +++ b/xlators/mgmt/glusterd/src/glusterd-mgmt.c @@ -384,28 +384,25 @@ out: } int -glusterd_mgmt_v3_initiate_lockdown (glusterd_conf_t *conf, glusterd_op_t op, - dict_t *dict, char **op_errstr, int npeers, - gf_boolean_t *is_acquired) +glusterd_mgmt_v3_initiate_lockdown (glusterd_op_t op, dict_t *dict, + char **op_errstr, int npeers, + gf_boolean_t *is_acquired, + struct list_head *peers) { char *volname = NULL; glusterd_peerinfo_t *peerinfo = NULL; int32_t ret = -1; int32_t peer_cnt = 0; struct syncargs args = {0}; - struct list_head *peers = NULL; uuid_t peer_uuid = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); - GF_ASSERT (conf); GF_ASSERT (dict); GF_ASSERT (op_errstr); GF_ASSERT (is_acquired); - peers = &conf->xaction_peers; - /* Trying to acquire multiple mgmt_v3 locks on local node */ ret = glusterd_multiple_mgmt_v3_lock (dict, MY_UUID); if (ret) { @@ -425,7 +422,7 @@ glusterd_mgmt_v3_initiate_lockdown (glusterd_conf_t *conf, glusterd_op_t op, gd_syncargs_init (&args, NULL); synctask_barrier_init((&args)); peer_cnt = 0; - list_for_each_entry (peerinfo, peers, op_peers_list) { + list_for_each_local_xaction_peers (peerinfo, peers) { gd_mgmt_v3_lock (op, dict, peerinfo, &args, MY_UUID, peer_uuid); peer_cnt++; @@ -639,26 +636,23 @@ out: } int -glusterd_mgmt_v3_pre_validate (glusterd_conf_t *conf, glusterd_op_t op, - dict_t *req_dict, char **op_errstr, int npeers) +glusterd_mgmt_v3_pre_validate (glusterd_op_t op, dict_t *req_dict, + char **op_errstr, int npeers, + struct list_head *peers) { int32_t ret = -1; int32_t peer_cnt = 0; dict_t *rsp_dict = NULL; glusterd_peerinfo_t *peerinfo = NULL; struct syncargs args = {0}; - struct list_head *peers = NULL; uuid_t peer_uuid = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); - GF_ASSERT (conf); GF_ASSERT (req_dict); GF_ASSERT (op_errstr); - peers = &conf->xaction_peers; - rsp_dict = dict_new (); if (!rsp_dict) { gf_log (this->name, GF_LOG_ERROR, @@ -710,7 +704,7 @@ glusterd_mgmt_v3_pre_validate (glusterd_conf_t *conf, glusterd_op_t op, gd_syncargs_init (&args, req_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) { gd_mgmt_v3_pre_validate_req (op, req_dict, peerinfo, &args, MY_UUID, peer_uuid); peer_cnt++; @@ -878,26 +872,23 @@ out: } int -glusterd_mgmt_v3_brick_op (glusterd_conf_t *conf, glusterd_op_t op, - dict_t *req_dict, char **op_errstr, int npeers) +glusterd_mgmt_v3_brick_op (glusterd_op_t op, dict_t *req_dict, + char **op_errstr, int npeers, + struct list_head *peers) { int32_t ret = -1; int32_t peer_cnt = 0; dict_t *rsp_dict = NULL; glusterd_peerinfo_t *peerinfo = NULL; struct syncargs args = {0}; - struct list_head *peers = NULL; uuid_t peer_uuid = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); - GF_ASSERT (conf); GF_ASSERT (req_dict); GF_ASSERT (op_errstr); - peers = &conf->xaction_peers; - rsp_dict = dict_new (); if (!rsp_dict) { gf_log (this->name, GF_LOG_ERROR, @@ -940,7 +931,7 @@ glusterd_mgmt_v3_brick_op (glusterd_conf_t *conf, glusterd_op_t op, gd_syncargs_init (&args, NULL); synctask_barrier_init((&args)); peer_cnt = 0; - list_for_each_entry (peerinfo, peers, op_peers_list) { + list_for_each_local_xaction_peers (peerinfo, peers) { gd_mgmt_v3_brick_op_req (op, req_dict, peerinfo, &args, MY_UUID, peer_uuid); peer_cnt++; @@ -1103,28 +1094,24 @@ out: } int -glusterd_mgmt_v3_commit (glusterd_conf_t *conf, glusterd_op_t op, - dict_t *op_ctx, dict_t *req_dict, - char **op_errstr, int npeers) +glusterd_mgmt_v3_commit (glusterd_op_t op, dict_t *op_ctx, + dict_t *req_dict, char **op_errstr, + int npeers, struct list_head *peers) { int32_t ret = -1; int32_t peer_cnt = 0; dict_t *rsp_dict = NULL; glusterd_peerinfo_t *peerinfo = NULL; struct syncargs args = {0}; - struct list_head *peers = NULL; uuid_t peer_uuid = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); - GF_ASSERT (conf); GF_ASSERT (op_ctx); GF_ASSERT (req_dict); GF_ASSERT (op_errstr); - peers = &conf->xaction_peers; - rsp_dict = dict_new (); if (!rsp_dict) { gf_log (this->name, GF_LOG_ERROR, @@ -1176,7 +1163,7 @@ glusterd_mgmt_v3_commit (glusterd_conf_t *conf, glusterd_op_t op, 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) { gd_mgmt_v3_commit_req (op, req_dict, peerinfo, &args, MY_UUID, peer_uuid); peer_cnt++; @@ -1307,29 +1294,24 @@ out: } int -glusterd_mgmt_v3_post_validate (glusterd_conf_t *conf, glusterd_op_t op, - int32_t op_ret, dict_t *dict, dict_t *req_dict, - char **op_errstr, int npeers) +glusterd_mgmt_v3_post_validate (glusterd_op_t op, int32_t op_ret, dict_t *dict, + dict_t *req_dict, char **op_errstr, int npeers, + struct list_head *peers) { int32_t ret = -1; int32_t peer_cnt = 0; dict_t *rsp_dict = NULL; glusterd_peerinfo_t *peerinfo = NULL; struct syncargs args = {0}; - struct list_head *peers = NULL; uuid_t peer_uuid = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); - GF_ASSERT (conf); GF_ASSERT (dict); GF_VALIDATE_OR_GOTO (this->name, req_dict, out); GF_ASSERT (op_errstr); - peers = &conf->xaction_peers; - GF_ASSERT (peers); - rsp_dict = dict_new (); if (!rsp_dict) { gf_log (this->name, GF_LOG_ERROR, @@ -1375,7 +1357,7 @@ glusterd_mgmt_v3_post_validate (glusterd_conf_t *conf, glusterd_op_t op, gd_syncargs_init (&args, req_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) { gd_mgmt_v3_post_validate_req (op, op_ret, req_dict, peerinfo, &args, MY_UUID, peer_uuid); peer_cnt++; @@ -1502,10 +1484,11 @@ out: } int -glusterd_mgmt_v3_release_peer_locks (glusterd_conf_t *conf, glusterd_op_t op, +glusterd_mgmt_v3_release_peer_locks (glusterd_op_t op, dict_t *dict, int32_t op_ret, char **op_errstr, int npeers, - gf_boolean_t is_acquired) + gf_boolean_t is_acquired, + struct list_head *peers) { int32_t ret = -1; int32_t peer_cnt = 0; @@ -1513,16 +1496,12 @@ glusterd_mgmt_v3_release_peer_locks (glusterd_conf_t *conf, glusterd_op_t op, xlator_t *this = NULL; glusterd_peerinfo_t *peerinfo = NULL; struct syncargs args = {0}; - struct list_head *peers = NULL; this = THIS; GF_ASSERT (this); - GF_ASSERT (conf); GF_ASSERT (dict); GF_ASSERT (op_errstr); - peers = &conf->xaction_peers; - /* If the lock has not been held during this * transaction, do not send unlock requests */ if (!is_acquired) @@ -1537,7 +1516,7 @@ glusterd_mgmt_v3_release_peer_locks (glusterd_conf_t *conf, glusterd_op_t op, gd_syncargs_init (&args, NULL); synctask_barrier_init((&args)); peer_cnt = 0; - list_for_each_entry (peerinfo, peers, op_peers_list) { + list_for_each_local_xaction_peers (peerinfo, peers) { gd_mgmt_v3_unlock (op, dict, peerinfo, &args, MY_UUID, peer_uuid); peer_cnt++; @@ -1575,6 +1554,7 @@ glusterd_mgmt_v3_initiate_all_phases (rpcsvc_request_t *req, glusterd_op_t op, xlator_t *this = NULL; gf_boolean_t is_acquired = _gf_false; uuid_t *originator_uuid = NULL; + struct list_head xaction_peers = {0,}; this = THIS; GF_ASSERT (this); @@ -1583,6 +1563,15 @@ glusterd_mgmt_v3_initiate_all_phases (rpcsvc_request_t *req, glusterd_op_t op, conf = this->private; GF_ASSERT (conf); + INIT_LIST_HEAD (&xaction_peers); + 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 rsp; + } + /* Save the MY_UUID as the originator_uuid. This originator_uuid * will be used by is_origin_glusterd() to determine if a node * is the originator node for a command. */ @@ -1619,13 +1608,10 @@ glusterd_mgmt_v3_initiate_all_phases (rpcsvc_request_t *req, glusterd_op_t op, } dict_copy (dict, tmp_dict); - /* BUILD PEERS LIST */ - INIT_LIST_HEAD (&conf->xaction_peers); - npeers = gd_build_peers_list (&conf->peers, &conf->xaction_peers, op); - /* LOCKDOWN PHASE - Acquire mgmt_v3 locks */ - ret = glusterd_mgmt_v3_initiate_lockdown (conf, op, dict, &op_errstr, - npeers, &is_acquired); + ret = glusterd_mgmt_v3_initiate_lockdown (op, dict, &op_errstr, + npeers, &is_acquired, + &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "mgmt_v3 lockdown failed."); goto out; @@ -1642,16 +1628,17 @@ glusterd_mgmt_v3_initiate_all_phases (rpcsvc_request_t *req, glusterd_op_t op, } /* PRE-COMMIT VALIDATE PHASE */ - ret = glusterd_mgmt_v3_pre_validate (conf, op, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_pre_validate (op, req_dict, + &op_errstr, npeers, + &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Pre Validation Failed"); goto out; } /* COMMIT OP PHASE */ - ret = glusterd_mgmt_v3_commit (conf, op, dict, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_commit (op, dict, req_dict, + &op_errstr, npeers, &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Commit Op Failed"); goto out; @@ -1662,8 +1649,9 @@ glusterd_mgmt_v3_initiate_all_phases (rpcsvc_request_t *req, glusterd_op_t op, commands other than snapshot. So as of now, I am sending 0 (op_ret as 0). */ - ret = glusterd_mgmt_v3_post_validate (conf, op, 0, dict, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_post_validate (op, 0, dict, req_dict, + &op_errstr, npeers, + &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Post Validation Failed"); goto out; @@ -1673,9 +1661,10 @@ glusterd_mgmt_v3_initiate_all_phases (rpcsvc_request_t *req, glusterd_op_t op, out: op_ret = ret; /* UNLOCK PHASE FOR PEERS*/ - (void) glusterd_mgmt_v3_release_peer_locks (conf, op, dict, + (void) glusterd_mgmt_v3_release_peer_locks (op, dict, op_ret, &op_errstr, - npeers, is_acquired); + npeers, is_acquired, + &xaction_peers); /* LOCAL VOLUME(S) UNLOCK */ if (is_acquired) { @@ -1687,10 +1676,12 @@ out: op_ret = ret; } } - +rsp: /* SEND CLI RESPONSE */ glusterd_op_send_cli_response (op, op_ret, 0, req, dict, op_errstr); + gd_cleanup_local_xaction_peers_list (&xaction_peers); + if (req_dict) dict_unref (req_dict); @@ -1783,6 +1774,7 @@ glusterd_mgmt_v3_initiate_snap_phases (rpcsvc_request_t *req, glusterd_op_t op, uuid_t *originator_uuid = NULL; gf_boolean_t success = _gf_false; char *cli_errstr = NULL; + struct list_head xaction_peers = {0,}; this = THIS; GF_ASSERT (this); @@ -1791,6 +1783,15 @@ glusterd_mgmt_v3_initiate_snap_phases (rpcsvc_request_t *req, glusterd_op_t op, conf = this->private; GF_ASSERT (conf); + INIT_LIST_HEAD (&xaction_peers); + 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 rsp; + } + /* Save the MY_UUID as the originator_uuid. This originator_uuid * will be used by is_origin_glusterd() to determine if a node * is the originator node for a command. */ @@ -1827,13 +1828,10 @@ glusterd_mgmt_v3_initiate_snap_phases (rpcsvc_request_t *req, glusterd_op_t op, } dict_copy (dict, tmp_dict); - /* BUILD PEERS LIST */ - INIT_LIST_HEAD (&conf->xaction_peers); - npeers = gd_build_peers_list (&conf->peers, &conf->xaction_peers, op); - /* LOCKDOWN PHASE - Acquire mgmt_v3 locks */ - ret = glusterd_mgmt_v3_initiate_lockdown (conf, op, dict, &op_errstr, - npeers, &is_acquired); + ret = glusterd_mgmt_v3_initiate_lockdown (op, dict, &op_errstr, + npeers, &is_acquired, + &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "mgmt_v3 lockdown failed."); goto out; @@ -1850,8 +1848,8 @@ glusterd_mgmt_v3_initiate_snap_phases (rpcsvc_request_t *req, glusterd_op_t op, } /* PRE-COMMIT VALIDATE PHASE */ - ret = glusterd_mgmt_v3_pre_validate (conf, op, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_pre_validate (op, req_dict, + &op_errstr, npeers, &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Pre Validation Failed"); goto out; @@ -1875,8 +1873,8 @@ glusterd_mgmt_v3_initiate_snap_phases (rpcsvc_request_t *req, glusterd_op_t op, goto out; } - ret = glusterd_mgmt_v3_brick_op (conf, op, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_brick_op (op, req_dict, + &op_errstr, npeers, &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Brick Ops Failed"); goto unbarrier; @@ -1906,8 +1904,8 @@ glusterd_mgmt_v3_initiate_snap_phases (rpcsvc_request_t *req, glusterd_op_t op, goto unbarrier; } - ret = glusterd_mgmt_v3_commit (conf, op, dict, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_commit (op, dict, req_dict, + &op_errstr, npeers, &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Commit Op Failed"); /* If the main op fails, we should save the error string. @@ -1932,8 +1930,8 @@ unbarrier: goto out; } - ret = glusterd_mgmt_v3_brick_op (conf, op, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_brick_op (op, req_dict, + &op_errstr, npeers, &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Brick Ops Failed"); @@ -1960,17 +1958,19 @@ out: op_ret = -1; /* POST-COMMIT VALIDATE PHASE */ - ret = glusterd_mgmt_v3_post_validate (conf, op, op_ret, dict, req_dict, - &op_errstr, npeers); + ret = glusterd_mgmt_v3_post_validate (op, op_ret, dict, req_dict, + &op_errstr, npeers, + &xaction_peers); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Post Validation Failed"); op_ret = -1; } /* UNLOCK PHASE FOR PEERS*/ - (void) glusterd_mgmt_v3_release_peer_locks (conf, op, dict, + (void) glusterd_mgmt_v3_release_peer_locks (op, dict, op_ret, &op_errstr, - npeers, is_acquired); + npeers, is_acquired, + &xaction_peers); /* If the commit op (snapshot taking) failed, then the error is stored in cli_errstr and unbarrier is called. Suppose, if unbarrier also @@ -1994,10 +1994,12 @@ out: op_ret = ret; } } - +rsp: /* SEND CLI RESPONSE */ glusterd_op_send_cli_response (op, op_ret, 0, req, dict, op_errstr); + gd_cleanup_local_xaction_peers_list (&xaction_peers); + if (req_dict) dict_unref (req_dict); |