[dm-devel] [PATCH 4/4] multipathd: add "reconfigure all" command.
Benjamin Marzinski
bmarzins at redhat.com
Mon Sep 20 23:21:16 UTC 2021
With this commit, multipathd no longer defaults to full reconfigures for
the "reconfigure" command and the HUP signal. The default is a weak
reconfigure. A new command, "reconfigure all", has been added to do
a full reconfigure.
Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
multipath/main.c | 2 +-
multipathd/cli.c | 1 +
multipathd/cli.h | 2 ++
multipathd/cli_handlers.c | 10 ++++++++++
multipathd/main.c | 2 +-
5 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/multipath/main.c b/multipath/main.c
index 65ece830..7b9797ec 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -759,7 +759,7 @@ int delegate_to_multipathd(enum mpath_cmds cmd,
return NOT_DELEGATED;
if (cmd == CMD_CREATE && conf->force_reload == FORCE_RELOAD_YES) {
- p += snprintf(p, n, "reconfigure");
+ p += snprintf(p, n, "reconfigure all");
}
else if (cmd == CMD_FLUSH_ONE && dev && dev_type == DEV_DEVMAP) {
p += snprintf(p, n, "del map %s", dev);
diff --git a/multipathd/cli.c b/multipathd/cli.c
index 414f6608..d9308bdf 100644
--- a/multipathd/cli.c
+++ b/multipathd/cli.c
@@ -212,6 +212,7 @@ load_keys (void)
r += add_key(keys, "local", LOCAL, 0);
r += add_key(keys, "setmarginal", SETMARGINAL, 0);
r += add_key(keys, "unsetmarginal", UNSETMARGINAL, 0);
+ r += add_key(keys, "all", ALL, 0);
if (r) {
diff --git a/multipathd/cli.h b/multipathd/cli.h
index fcb6af00..bba705e8 100644
--- a/multipathd/cli.h
+++ b/multipathd/cli.h
@@ -47,6 +47,7 @@ enum {
__LOCAL, /* 40 */
__SETMARGINAL,
__UNSETMARGINAL,
+ __ALL,
};
#define LIST (1ULL << __LIST)
@@ -93,6 +94,7 @@ enum {
#define LOCAL (1ULL << __LOCAL)
#define SETMARGINAL (1ULL << __SETMARGINAL)
#define UNSETMARGINAL (1ULL << __UNSETMARGINAL)
+#define ALL (1ULL << __ALL)
#define INITIAL_REPLY_LEN 1200
diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
index b12a4e7e..58b9916c 100644
--- a/multipathd/cli_handlers.c
+++ b/multipathd/cli_handlers.c
@@ -1012,6 +1012,15 @@ cli_reconfigure(void * v, struct strbuf *reply, void * data)
{
condlog(2, "reconfigure (operator)");
+ schedule_reconfigure(false);
+ return 0;
+}
+
+int
+cli_reconfigure_all(void * v, struct strbuf *reply, void * data)
+{
+ condlog(2, "reconfigure all (operator)");
+
schedule_reconfigure(true);
return 0;
}
@@ -1497,6 +1506,7 @@ void init_handler_callbacks(void)
set_handler_callback(DEL+MAPS, cli_del_maps);
set_handler_callback(SWITCH+MAP+GROUP, cli_switch_group);
set_unlocked_handler_callback(RECONFIGURE, cli_reconfigure);
+ set_unlocked_handler_callback(RECONFIGURE+ALL, cli_reconfigure_all);
set_handler_callback(SUSPEND+MAP, cli_suspend);
set_handler_callback(RESUME+MAP, cli_resume);
set_handler_callback(RESIZE+MAP, cli_resize);
diff --git a/multipathd/main.c b/multipathd/main.c
index 5c831e8d..cc4a4a5d 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -2817,7 +2817,7 @@ handle_signals(bool nonfatal)
return;
if (reconfig_sig) {
condlog(2, "reconfigure (signal)");
- schedule_reconfigure(true);
+ schedule_reconfigure(false);
}
if (log_reset_sig) {
condlog(2, "reset log (signal)");
--
2.17.2
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