From: Howard Chu <hyc@symas.com>
Date: Wed, 9 Jul 2014 13:17:54 +0000 (-0700)
Subject: Revert "ITS#7789 update RESIZED errmsg text"
X-Git-Tag: OPENLDAP_REL_ENG_2_4_40~126^2~9
X-Git-Url: https://git.sur5r.net/?p=openldap;a=commitdiff_plain;h=a5e4eecb1e59e9645113bb4c63d06a23a2c4bdf9

Revert "ITS#7789 update RESIZED errmsg text"

This reverts commit d8e18551c3f03d5205f4dc8d1711e494d3814b17.
And partially reverts mapsize check. Only mapsize increases are relevant.
---

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 96e37bcbb8..d6ad1142b1 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -1248,7 +1248,7 @@ static char *const mdb_errstr[] = {
 	"MDB_TXN_FULL: Transaction has too many dirty pages - transaction too big",
 	"MDB_CURSOR_FULL: Internal error - cursor stack limit reached",
 	"MDB_PAGE_FULL: Internal error - page has no more space",
-	"MDB_MAP_RESIZED: Environment mapsize was changed by another process",
+	"MDB_MAP_RESIZED: Database contents grew beyond environment mapsize",
 	"MDB_INCOMPATIBLE: Operation and DB incompatible, or DB flags changed",
 	"MDB_BAD_RSLOT: Invalid reuse of reader locktable slot",
 	"MDB_BAD_TXN: Transaction cannot recover - it must be aborted",
@@ -2503,9 +2503,9 @@ mdb_txn_renew0(MDB_txn *txn)
 	}
 	txn->mt_dbflags[0] = txn->mt_dbflags[1] = DB_VALID;
 
-	/* If we didn't ask for a resize, but the size changed, fail */
+	/* If we didn't ask for a resize, but the size grew, fail */
 	if (!(env->me_flags & MDB_RESIZING)
-		&& env->me_mapsize != meta->mm_mapsize) {
+		&& env->me_mapsize < meta->mm_mapsize) {
 		mdb_txn_reset0(txn, "renew0-mapfail");
 		if (new_notls) {
 			txn->mt_u.reader->mr_pid = 0;