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Make sure increases of mapsize are persisted

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This commit is contained in:
Howard Chu 2012-10-16 14:53:25 -07:00
parent 94965307c8
commit 65d40eb5d2
1 changed files with 16 additions and 8 deletions
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22
libraries/libmdb/mdb.c
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@ -2417,7 +2417,7 @@ static int
mdb_env_write_meta(MDB_txn *txn)
{
MDB_env *env;
MDB_meta meta, metab;
MDB_meta meta, metab, *mp;
off_t off;
int rc, len, toggle;
char *ptr;
@ -2433,9 +2433,12 @@ mdb_env_write_meta(MDB_txn *txn)
toggle, txn->mt_dbs[MAIN_DBI].md_root);
env = txn->mt_env;
mp = env->me_metas[toggle];
if (env->me_flags & MDB_WRITEMAP) {
MDB_meta *mp = env->me_metas[toggle];
/* Persist any increases of mapsize config */
if (env->me_mapsize > mp->mm_mapsize)
mp->mm_mapsize = env->me_mapsize;
mp->mm_dbs[0] = txn->mt_dbs[0];
mp->mm_dbs[1] = txn->mt_dbs[1];
mp->mm_last_pg = txn->mt_next_pgno - 1;
@ -2456,7 +2459,13 @@ mdb_env_write_meta(MDB_txn *txn)
metab.mm_last_pg = env->me_metas[toggle]->mm_last_pg;
ptr = (char *)&meta;
if (env->me_mapsize > mp->mm_mapsize) {
/* Persist any increases of mapsize config */
meta.mm_mapsize = env->me_mapsize;
off = offsetof(MDB_meta, mm_mapsize);
} else {
off = offsetof(MDB_meta, mm_dbs[0].md_depth);
}
len = sizeof(MDB_meta) - off;
ptr += off;
@ -2604,11 +2613,11 @@ mdb_env_open2(MDB_env *env)
return i;
DPUTS("new mdbenv");
newenv = 1;
meta.mm_mapsize = env->me_mapsize > DEFAULT_MAPSIZE ? env->me_mapsize : DEFAULT_MAPSIZE;
}
if (!env->me_mapsize) {
env->me_mapsize = newenv ? DEFAULT_MAPSIZE : meta.mm_mapsize;
}
if (env->me_mapsize < meta.mm_mapsize)
env->me_mapsize = meta.mm_mapsize;
#ifdef _WIN32
{
@ -2657,7 +2666,6 @@ mdb_env_open2(MDB_env *env)
#endif
if (newenv) {
meta.mm_mapsize = env->me_mapsize;
if (flags & MDB_FIXEDMAP)
meta.mm_address = env->me_map;
i = mdb_env_init_meta(env, &meta);
@ -3336,7 +3344,7 @@ int
mdb_env_copy(MDB_env *env, const char *path)
{
MDB_txn *txn = NULL;
int rc, len, oflags;
int rc, len;
size_t wsize;
char *lpath, *ptr;
HANDLE newfd = INVALID_HANDLE_VALUE;