device-mapper-multipath/0011-libmpathpersist-add-linker-version-script.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Sat, 19 Sep 2020 00:02:16 +0200
Subject: [PATCH] libmpathpersist: add linker version script
This defines the ABI of libmpathpersist in the current state.
The initial version is set to "LIBMPATHPERSIST_1.0.0".
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmpathpersist/Makefile | 6 +++--
libmpathpersist/libmpathpersist.version | 32 +++++++++++++++++++++++++
2 files changed, 36 insertions(+), 2 deletions(-)
create mode 100644 libmpathpersist/libmpathpersist.version
diff --git a/libmpathpersist/Makefile b/libmpathpersist/Makefile
index 9e869fdc..456ce4cf 100644
--- a/libmpathpersist/Makefile
+++ b/libmpathpersist/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.inc
SONAME = 0
DEVLIB = libmpathpersist.so
LIBS = $(DEVLIB).$(SONAME)
+VERSION_SCRIPT := libmpathpersist.version
CFLAGS += $(LIB_CFLAGS) -I$(multipathdir) -I$(mpathpersistdir) -I$(mpathcmddir)
@@ -13,8 +14,9 @@ OBJS = mpath_persist.o mpath_updatepr.o mpath_pr_ioctl.o
all: $(DEVLIB) man
-$(LIBS): $(OBJS)
- $(CC) $(LDFLAGS) $(SHARED_FLAGS) $(LIBDEPS) -Wl,-soname=$@ -o $@ $(OBJS)
+$(LIBS): $(OBJS) $(VERSION_SCRIPT)
+ $(CC) $(LDFLAGS) $(SHARED_FLAGS) $(LIBDEPS) -Wl,-soname=$@ \
+ -Wl,--version-script=$(VERSION_SCRIPT) -o $@ $(OBJS)
$(DEVLIB): $(LIBS)
$(LN) $(LIBS) $@
diff --git a/libmpathpersist/libmpathpersist.version b/libmpathpersist/libmpathpersist.version
new file mode 100644
index 00000000..dc648ce6
--- /dev/null
+++ b/libmpathpersist/libmpathpersist.version
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2020 SUSE LLC
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * libmpathpersist ABI
+ *
+ * The ABI of libmpathpersist is supposed to remain stable. Removing symbols
+ * or altering existing symbols' semantics is not allowed. When changing a
+ * a symbol, either use a new name, or explicit symver directives.
+ *
+ * See libmultipath.version for general policy about version numbers.
+ */
+LIBMPATHPERSIST_1.0.0 {
+global:
+
+ __mpath_persistent_reserve_in;
+ __mpath_persistent_reserve_out;
+ dumpHex;
+ mpath_alloc_prin_response;
+ mpath_lib_exit;
+ mpath_lib_init;
+ mpath_mx_alloc_len;
+ mpath_persistent_reserve_in;
+ mpath_persistent_reserve_init_vecs;
+ mpath_persistent_reserve_out;
+ mpath_persistent_reserve_free_vecs;
+ prin_do_scsi_ioctl;
+ prout_do_scsi_ioctl;
+ update_map_pr;
+
+local: *;
+};
--
2.17.2