From: Doug Ledford <dledford@redhat.com>
Date: Wed, 17 Mar 2010 13:28:07 +0000 (-0400)
Subject: Only signal a udev change event if we actually write a mapfile in RebuildMap
X-Git-Tag: mdadm-3.1.3~57
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7bf59f5c16d928d3826fdf0c406d1aac5775e78b;p=thirdparty%2Fmdadm.git

Only signal a udev change event if we actually write a mapfile in RebuildMap

Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/mapfile.c b/mapfile.c
index 74f72560..d47fde14 100644
--- a/mapfile.c
+++ b/mapfile.c
@@ -471,12 +471,14 @@ void RebuildMap(void)
 		}
 		sysfs_free(sra);
 	}
-	map_write(map);
+	/* Only trigger a change if we wrote a new map file */
+	if (map_write(map))
+		for (md = mdstat ; md ; md = md->next) {
+			struct mdinfo *sra = sysfs_read(-1, md->devnum,
+							GET_VERSION);
+			sysfs_uevent(sra, "change");
+			sysfs_free(sra);
+		}
 	map_free(map);
-	for (md = mdstat ; md ; md = md->next) {
-		struct mdinfo *sra = sysfs_read(-1, md->devnum, GET_VERSION);
-		sysfs_uevent(sra, "change");
-		sysfs_free(sra);
-	}
 	free_mdstat(mdstat);
 }