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-rw-r--r--Incremental.c47
-rw-r--r--mapfile.c53
2 files changed, 53 insertions, 47 deletions
diff --git a/Incremental.c b/Incremental.c
index 1d326fd..08e0e6f 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -603,53 +603,6 @@ static int count_active(struct supertype *st, int mdfd, char **availp,
return cnt + cnt1;
}
-void RebuildMap(void)
-{
- struct mdstat_ent *mdstat = mdstat_read(0, 0);
- struct mdstat_ent *md;
- struct map_ent *map = NULL;
- int mdp = get_mdp_major();
-
- for (md = mdstat ; md ; md = md->next) {
- struct mdinfo *sra = sysfs_read(-1, md->devnum, GET_DEVS);
- struct mdinfo *sd;
-
- for (sd = sra->devs ; sd ; sd = sd->next) {
- char dn[30];
- int dfd;
- int ok;
- struct supertype *st;
- char *path;
- struct mdinfo info;
-
- sprintf(dn, "%d:%d", sd->disk.major, sd->disk.minor);
- dfd = dev_open(dn, O_RDONLY);
- if (dfd < 0)
- continue;
- st = guess_super(dfd);
- if ( st == NULL)
- ok = -1;
- else
- ok = st->ss->load_super(st, dfd, NULL);
- close(dfd);
- if (ok != 0)
- continue;
- st->ss->getinfo_super(st, &info);
- if (md->devnum > 0)
- path = map_dev(MD_MAJOR, md->devnum, 0);
- else
- path = map_dev(mdp, (-1-md->devnum)<< 6, 0);
- map_add(&map, md->devnum, st->ss->major,
- st->minor_version,
- info.uuid, path ? : "/unknown");
- st->ss->free_super(st);
- break;
- }
- }
- map_write(map);
- map_free(map);
-}
-
int IncrementalScan(int verbose)
{
/* look at every device listed in the 'map' file.
diff --git a/mapfile.c b/mapfile.c
index f616f15..0d0aa39 100644
--- a/mapfile.c
+++ b/mapfile.c
@@ -113,6 +113,12 @@ void map_read(struct map_ent **melp)
f = fopen("/var/run/mdadm/map", "r");
if (!f)
f = fopen("/var/run/mdadm.map", "r");
+ if (!f) {
+ RebuildMap();
+ f = fopen("/var/run/mdadm/map", "r");
+ }
+ if (!f)
+ f = fopen("/var/run/mdadm.map", "r");
if (!f)
return;
@@ -195,3 +201,50 @@ struct map_ent *map_by_uuid(struct map_ent **map, int uuid[4])
return NULL;
}
+
+void RebuildMap(void)
+{
+ struct mdstat_ent *mdstat = mdstat_read(0, 0);
+ struct mdstat_ent *md;
+ struct map_ent *map = NULL;
+ int mdp = get_mdp_major();
+
+ for (md = mdstat ; md ; md = md->next) {
+ struct mdinfo *sra = sysfs_read(-1, md->devnum, GET_DEVS);
+ struct mdinfo *sd;
+
+ for (sd = sra->devs ; sd ; sd = sd->next) {
+ char dn[30];
+ int dfd;
+ int ok;
+ struct supertype *st;
+ char *path;
+ struct mdinfo info;
+
+ sprintf(dn, "%d:%d", sd->disk.major, sd->disk.minor);
+ dfd = dev_open(dn, O_RDONLY);
+ if (dfd < 0)
+ continue;
+ st = guess_super(dfd);
+ if ( st == NULL)
+ ok = -1;
+ else
+ ok = st->ss->load_super(st, dfd, NULL);
+ close(dfd);
+ if (ok != 0)
+ continue;
+ st->ss->getinfo_super(st, &info);
+ if (md->devnum > 0)
+ path = map_dev(MD_MAJOR, md->devnum, 0);
+ else
+ path = map_dev(mdp, (-1-md->devnum)<< 6, 0);
+ map_add(&map, md->devnum, st->ss->major,
+ st->minor_version,
+ info.uuid, path ? : "/unknown");
+ st->ss->free_super(st);
+ break;
+ }
+ }
+ map_write(map);
+ map_free(map);
+}