[dm-devel] [PATCH 7/7] multipathd: only grab conf once for filter_path()

Martin Wilck mwilck at suse.com
Tue Oct 23 22:05:52 UTC 2018


This saves a possibly large number of cleanup push/pop calls and
slightly improves readability.

Signed-off-by: Martin Wilck <mwilck at suse.com>
---
 multipathd/main.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/multipathd/main.c b/multipathd/main.c
index 768da8da..a7cd3b09 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -2332,16 +2332,17 @@ configure (struct vectors * vecs)
 		goto fail;
 	}
 
+	conf = get_multipath_config();
+	pthread_cleanup_push(put_multipath_config, conf);
 	vector_foreach_slot (vecs->pathvec, pp, i){
-		conf = get_multipath_config();
-		pthread_cleanup_push(put_multipath_config, conf);
 		if (filter_path(conf, pp) > 0){
 			vector_del_slot(vecs->pathvec, i);
 			free_path(pp);
 			i--;
 		}
-		pthread_cleanup_pop(1);
 	}
+	pthread_cleanup_pop(1);
+
 	if (map_discovery(vecs)) {
 		condlog(0, "configure failed at map discovery");
 		goto fail;
-- 
2.19.1




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