The branch, master has been updated
       via  0592ba2a4fbd1b3b7a6bd0780eadbd6d449baaad (commit)
      from  c76c214be401cb116265ed17ffe6c77c979ded82 (commit)

http://gitweb.samba.org/?p=tridge/ctdb.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit 0592ba2a4fbd1b3b7a6bd0780eadbd6d449baaad
Author: Andrew Tridgell <[EMAIL PROTECTED]>
Date:   Fri Aug 8 00:44:33 2008 +1000

    fixed a looping error bug with the new transactions code

-----------------------------------------------------------------------

Summary of changes:
 client/ctdb_client.c     |    7 +++----
 server/ctdb_persistent.c |   14 +++++++++++---
 2 files changed, 14 insertions(+), 7 deletions(-)


Changeset truncated at 500 lines:

diff --git a/client/ctdb_client.c b/client/ctdb_client.c
index cec16d1..3717096 100644
--- a/client/ctdb_client.c
+++ b/client/ctdb_client.c
@@ -3028,7 +3028,6 @@ struct ctdb_transaction_handle 
*ctdb_transaction_start(struct ctdb_db_context *c
        struct ctdb_transaction_handle *h;
        int ret;
 
-       /* we have a good transaction */
        h = talloc_zero(mem_ctx, struct ctdb_transaction_handle);
        if (h == NULL) {
                DEBUG(DEBUG_ERR,(__location__ " oom for transaction 
handle\n"));                
@@ -3200,14 +3199,14 @@ int ctdb_transaction_commit(struct 
ctdb_transaction_handle *h)
        struct ctdb_context *ctdb = h->ctdb_db->ctdb;
        struct timeval timeout;
 
-       talloc_set_destructor(h, NULL);
-
        if (h->m_write == NULL) {
                /* no changes were made */
                talloc_free(h);
                return 0;
        }
 
+       talloc_set_destructor(h, NULL);
+
        /* our commit strategy is quite complex.
 
           - we first try to commit the changes to all other nodes
@@ -3258,7 +3257,7 @@ again:
        /* tell ctdbd that we are finished with our local commit */
        ctdb_control(ctdb, CTDB_CURRENT_NODE, h->ctdb_db->db_id, 
                     CTDB_CONTROL_TRANS2_FINISHED, CTDB_CTRL_FLAG_NOREPLY, 
-                    tdb_null, NULL, NULL, &status, NULL, NULL);
+                    tdb_null, NULL, NULL, NULL, NULL, NULL);
        talloc_free(h);
        return 0;
 }
diff --git a/server/ctdb_persistent.c b/server/ctdb_persistent.c
index 6a8a100..5b88b4b 100644
--- a/server/ctdb_persistent.c
+++ b/server/ctdb_persistent.c
@@ -189,31 +189,39 @@ static int ctdb_persistent_store(struct 
ctdb_persistent_write_state *state)
        for (i=0;i<m->count;i++) {
                struct ctdb_ltdb_header oldheader;
                struct ctdb_ltdb_header header;
-               TDB_DATA key, data;
+               TDB_DATA key, data, olddata;
+               TALLOC_CTX *tmp_ctx = talloc_new(state);
 
                rec = ctdb_marshall_loop_next(m, rec, NULL, &header, &key, 
&data);
                
                if (rec == NULL) {
                        DEBUG(DEBUG_ERR,("Failed to get next record %d for 
db_id 0x%08x in ctdb_persistent_store\n",
                                         i, state->ctdb_db->db_id));
+                       talloc_free(tmp_ctx);
                        goto failed;                    
                }
 
                /* fetch the old header and ensure the rsn is less than the new 
rsn */
-               ret = ctdb_ltdb_fetch(state->ctdb_db, key, &oldheader, NULL, 
NULL);
+               ret = ctdb_ltdb_fetch(state->ctdb_db, key, &oldheader, tmp_ctx, 
&olddata);
                if (ret != 0) {
                        DEBUG(DEBUG_ERR,("Failed to fetch old record for db_id 
0x%08x in ctdb_persistent_store\n",
                                         state->ctdb_db->db_id));
+                       talloc_free(tmp_ctx);
                        goto failed;
                }
 
-               if (oldheader.rsn >= header.rsn) {
+               if (oldheader.rsn >= header.rsn &&
+                   (olddata.dsize != data.dsize || 
+                    memcmp(olddata.dptr, data.dptr, data.dsize) != 0)) {
                        DEBUG(DEBUG_CRIT,("existing header for db_id 0x%08x has 
larger RSN %llu than new RSN %llu in ctdb_persistent_store\n",
                                          state->ctdb_db->db_id, 
                                          (unsigned long long)oldheader.rsn, 
(unsigned long long)header.rsn));
+                       talloc_free(tmp_ctx);
                        goto failed;
                }
 
+               talloc_free(tmp_ctx);
+
                ret = ctdb_ltdb_store(state->ctdb_db, key, &header, data);
                if (ret != 0) {
                        DEBUG(DEBUG_CRIT,("Failed to store record for db_id 
0x%08x in ctdb_persistent_store\n", 


-- 
CTDB repository

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