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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-syncop.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-syncop.c170
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);