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mdbx: добавление MDBX_opt_prefer_waf_insteadof_balance.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2024-04-05 00:08:09 +03:00
parent f19753636d
commit 7c69493473
3 changed files with 50 additions and 4 deletions
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21
src/core.c
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@@ -6487,6 +6487,11 @@ static bool default_prefault_write(const MDBX_env *env) {
(env->me_flags & (MDBX_WRITEMAP | MDBX_RDONLY)) == MDBX_WRITEMAP;
}
static bool default_prefer_waf_insteadof_balance(const MDBX_env *env) {
(void)env;
return false;
}
static void adjust_defaults(MDBX_env *env) {
if (!env->me_options.flags.non_auto.rp_augment_limit)
env->me_options.rp_augment_limit = default_rp_augment_limit(env);
@@ -13692,6 +13697,8 @@ __cold int mdbx_env_create(MDBX_env **penv) {
env->me_options.spill_parent4child_denominator = 0;
env->me_options.dp_loose_limit = 64;
env->me_options.merge_threshold_16dot16_percent = 65536 / 4 /* 25% */;
if (default_prefer_waf_insteadof_balance(env))
env->me_options.prefer_waf_insteadof_balance = true;
#if !(defined(_WIN32) || defined(_WIN64))
env->me_options.writethrough_threshold =
@@ -26459,6 +26466,16 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
}
break;
case MDBX_opt_prefer_waf_insteadof_balance:
if (value == /* default */ UINT64_MAX)
env->me_options.prefer_waf_insteadof_balance =
default_prefer_waf_insteadof_balance(env);
else if (value > 1)
err = MDBX_EINVAL;
else
env->me_options.prefer_waf_insteadof_balance = value != 0;
break;
default:
return MDBX_EINVAL;
}
@@ -26548,6 +26565,10 @@ __cold int mdbx_env_get_option(const MDBX_env *env, const MDBX_option_t option,
*pvalue = env->me_options.prefault_write;
break;
case MDBX_opt_prefer_waf_insteadof_balance:
*pvalue = env->me_options.prefer_waf_insteadof_balance;
break;
default:
return MDBX_EINVAL;
}