From: Martin Wilck <mwi...@suse.com>
If compiled with -DLOAD_ALL_SHARED_LIBS, all known prioritizers
and checkers will be loaded immediately on startup. This is useful
for determining symbol usage (start executables with LD_BIND_NOW=1).
---
libmultipath/checkers.c | 17 +++++++++++++++++
libmultipath/prio.c | 22 ++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/libmultipath/checkers.c b/libmultipath/checkers.c
index f7ddd53..18b1f5e 100644
--- a/libmultipath/checkers.c
+++ b/libmultipath/checkers.c
@@ -7,6 +7,7 @@
#include "debug.h"
#include "checkers.h"
#include "vector.h"
+#include "util.h"
struct checker_class {
struct list_head node;
@@ -375,7 +376,23 @@ void checker_get(const char *multipath_dir, struct checker
*dst,
int init_checkers(const char *multipath_dir)
{
+#ifdef LOAD_ALL_SHARED_LIBS
+ static const char *const all_checkers[] = {
+ DIRECTIO,
+ TUR,
+ HP_SW,
+ RDAC,
+ EMC_CLARIION,
+ READSECTOR0,
+ CCISS_TUR,
+ };
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(all_checkers); i++)
+ add_checker_class(multipath_dir, all_checkers[i]);
+#else
if (!add_checker_class(multipath_dir, DEFAULT_CHECKER))
return 1;
+#endif
return 0;
}
diff --git a/libmultipath/prio.c b/libmultipath/prio.c
index 3a718ba..c92bde7 100644
--- a/libmultipath/prio.c
+++ b/libmultipath/prio.c
@@ -20,8 +20,30 @@ unsigned int get_prio_timeout(unsigned int timeout_ms,
int init_prio (const char *multipath_dir)
{
+#ifdef LOAD_ALL_SHARED_LIBS
+ static const char *const all_prios[] = {
+ PRIO_ALUA,
+ PRIO_CONST,
+ PRIO_DATACORE,
+ PRIO_EMC,
+ PRIO_HDS,
+ PRIO_HP_SW,
+ PRIO_ONTAP,
+ PRIO_RANDOM,
+ PRIO_RDAC,
+ PRIO_WEIGHTED_PATH,
+ PRIO_SYSFS,
+ PRIO_PATH_LATENCY,
+ PRIO_ANA,
+ };
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(all_prios); i++)
+ add_prio(multipath_dir, all_prios[i]);
+#else
if (!add_prio(multipath_dir, DEFAULT_PRIO))
return 1;
+#endif
return 0;
}
--
2.28.0
--
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