From 83258ca81efbfdbccc2b09c4539b9babe5c27726 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Mon, 23 Nov 2015 13:11:29 +0000 Subject: [PATCH] ITS#8323 Fix nested commit Must remove our spilled pages from parent's dirty list --- libraries/liblmdb/mdb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 6c4a4dace3..fe78eb9fa8 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -3500,6 +3500,25 @@ mdb_txn_commit(MDB_txn *txn) pspill[0] = y; } + /* Remove anything in our spill list from parent's dirty list */ + if (txn->mt_spill_pgs && txn->mt_spill_pgs[0]) { + for (i=1; i<=txn->mt_spill_pgs[0]; i++) { + MDB_ID pn = txn->mt_spill_pgs[i]; + if (pn & 1) + continue; /* deleted spillpg */ + pn >>= 1; + y = mdb_mid2l_search(dst, pn); + if (y <= dst[0].mid && dst[y].mid == pn) { + free(dst[y].mptr); + while (y < dst[0].mid) { + dst[y] = dst[y+1]; + y++; + } + dst[0].mid--; + } + } + } + /* Find len = length of merging our dirty list with parent's */ x = dst[0].mid; dst[0].mid = 0; /* simplify loops */ -- 2.39.5