device-mapper-multipath/0104-multipathd-disable-queueing-when-removing-unknown-ma.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Fri, 8 Dec 2023 14:50:31 -0500
Subject: [PATCH] multipathd: disable queueing when removing unknown maps
Make cli_del_maps() call dm_suspend_and_flush_map() for the unknown
multipath devices as well.
After this change, all callers of cli_del_maps() set need_suspend, so
simplify dm_flush_maps().
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/devmapper.c | 7 ++-----
libmultipath/devmapper.h | 2 +-
multipath/main.c | 2 +-
multipathd/cli_handlers.c | 2 +-
4 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
index 4b2e8a15..f9de3358 100644
--- a/libmultipath/devmapper.c
+++ b/libmultipath/devmapper.c
@@ -1145,7 +1145,7 @@ dm_flush_map_nopaths(const char * mapname,
#endif
-int dm_flush_maps (int need_suspend, int retries)
+int dm_flush_maps (int retries)
{
int r = 1;
struct dm_task *dmt;
@@ -1170,10 +1170,7 @@ int dm_flush_maps (int need_suspend, int retries)
goto out;
do {
- if (need_suspend)
- r |= dm_suspend_and_flush_map(names->name, retries);
- else
- r |= dm_flush_map(names->name);
+ r |= dm_suspend_and_flush_map(names->name, retries);
next = names->next;
names = (void *) names + next;
} while (next);
diff --git a/libmultipath/devmapper.h b/libmultipath/devmapper.h
index 45a676de..808da28d 100644
--- a/libmultipath/devmapper.h
+++ b/libmultipath/devmapper.h
@@ -55,7 +55,7 @@ int dm_flush_map_nopaths(const char * mapname, int deferred_remove);
#define dm_suspend_and_flush_map(mapname, retries) \
_dm_flush_map(mapname, 1, 0, 1, retries)
int dm_cancel_deferred_remove(struct multipath *mpp);
-int dm_flush_maps (int need_suspend, int retries);
+int dm_flush_maps (int retries);
int dm_fail_path(const char * mapname, char * path);
int dm_reinstate_path(const char * mapname, char * path);
int dm_queue_if_no_path(const char *mapname, int enable);
diff --git a/multipath/main.c b/multipath/main.c
index f1077421..e296be6e 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -1126,7 +1126,7 @@ main (int argc, char *argv[])
goto out;
}
else if (cmd == CMD_FLUSH_ALL) {
- r = dm_flush_maps(1, retries) ? RTVL_FAIL : RTVL_OK;
+ r = dm_flush_maps(retries) ? RTVL_FAIL : RTVL_OK;
goto out;
}
while ((r = configure(conf, cmd, dev_type, dev)) == RTVL_RETRY)
diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
index f04fb558..aca8e2df 100644
--- a/multipathd/cli_handlers.c
+++ b/multipathd/cli_handlers.c
@@ -802,7 +802,7 @@ cli_del_maps (void *v, char **reply, int *len, void *data)
i--;
}
/* flush any multipath maps that aren't currently known by multipathd */
- ret |= dm_flush_maps(0, 0);
+ ret |= dm_flush_maps(0);
return ret;
}