diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 84477c4..e1d7748 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -70,6 +70,15 @@ #include #endif +#if defined(__mips) && defined(__linux) +/* MIPS has cache coherency issues, requires explicit cache control */ +#include +extern int cacheflush(char *addr, int nbytes, int cache); +#define CACHEFLUSH(addr, bytes, cache) cacheflush(addr, bytes, cache) +#else +#define CACHEFLUSH(addr, bytes, cache) +#endif + #include #include #include @@ -3581,6 +3590,11 @@ done: if (env->me_txns) env->me_txns->mti_txnid = txn->mt_txnid; + /* MIPS has cache coherency issues, this is a no-op everywhere else */ + if (!(env->me_flags & MDB_WRITEMAP)) { + CACHEFLUSH(env->me_map, txn->mt_next_pgno * env->me_psize, DCACHE); + } + return MDB_SUCCESS; }