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ITS#8323 Fix nested commit

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Must remove our spilled pages from parent's dirty list
This commit is contained in:
Howard Chu 2015-11-23 13:11:29 +00:00
parent c11ef29ffa
commit 75bca7f311
1 changed files with 19 additions and 0 deletions
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19
libraries/liblmdb/mdb.c
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@ -3431,6 +3431,25 @@ 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 */