From c2e8a5432ad7de789e2449065353d1d17e1e3ca9 Mon Sep 17 00:00:00 2001
From: Christopher Haine <chaine@hpe.com>
Date: Tue, 23 Nov 2021 17:08:55 +0000
Subject: [PATCH] implicit MIO transport if guided IO attribute set
---
maestro/pool_client.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/maestro/pool_client.c b/maestro/pool_client.c
index b27ea292..cc8e1c62 100644
--- a/maestro/pool_client.c
+++ b/maestro/pool_client.c
@@ -456,6 +456,22 @@ mstro_pc__handle_initiate_transfer(const Mstro__Pool__InitiateTransfer* init)
DEBUG("Source CDO empty, doing NULL transfer\n");
realsize = 0;
}
+
+ mstro_status swhere=MSTRO_UNIMPL;
+ mstro_status shot=MSTRO_UNIMPL;
+ const void *hint_where_ptr=NULL;
+ swhere = mstro_attribute_dict_get(src_cdo->attributes,
+ ".maestro.core.cdo.mio.hint.where",
+ &vt, &hint_where_ptr, NULL, false);
+ const void *hint_hot_ptr=NULL;
+ shot = mstro_attribute_dict_get(src_cdo->attributes,
+ ".maestro.core.cdo.mio.hint.hot-index",
+ &vt, &hint_hot_ptr, NULL, false);
+ if (swhere == MSTRO_OK || shot == MSTRO_OK) {
+ init->methods->supported[0] = MSTRO__POOL__TRANSPORT_KIND__MIO;
+ DEBUG("MIO guided IO attribute set, implicitly switching to MIO transport\n");
+ }
+
if ( init->methods->supported[0] == MSTRO__POOL__TRANSPORT_KIND__MIO
&& (!g_mio_available || (realsize % getpagesize()) != 0 )
){
--
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