mdadm/mdadm-3.2.2-hold-lock-during-assemble.patch
Jes Sorensen 6c5cfe0908 Fix problem with IMSM raid not being started correctly during boot
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
2011-10-19 16:46:54 +02:00

46 lines
1.2 KiB
Diff

From 2eebfb2ed16c7c73fc46c3575160fa47c5fa51c5 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Mon, 17 Oct 2011 22:09:17 +0200
Subject: [PATCH 3/3] Hold the map lock while performing Assemble to avoid
races with udev
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
mdadm.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/mdadm.c b/mdadm.c
index e01beec..7fa8feb 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1257,6 +1257,7 @@ int main(int argc, char *argv[])
} else {
struct mddev_ident *a, *array_list = conf_get_ident(NULL);
struct mddev_dev *devlist = conf_get_devs();
+ struct map_ent *map = NULL;
int cnt = 0;
int failures, successes;
if (devlist == NULL) {
@@ -1276,6 +1277,10 @@ int main(int argc, char *argv[])
if (a->autof == 0)
a->autof = autof;
}
+ if (map_lock(&map))
+ fprintf(stderr, Name " %s: failed to get "
+ "exclusive lock on mapfile\n",
+ __func__);
do {
failures = 0;
successes = 0;
@@ -1366,6 +1371,7 @@ int main(int argc, char *argv[])
fprintf(stderr, Name ": No arrays found in config file\n");
rv = 1;
}
+ map_unlock(&map);
}
break;
case BUILD:
--
1.7.6.4