Report uuid in --detail --brief for ddf and intel

The uuid is slightly fictitious but needed for array matching.

Assemble.c

@@ -401,7 +401,7 @@ int Assemble(struct supertype *st, char *mddev, int mdfd,
 		}
 		st->ss->getinfo_super(st, &info);
 		if (uuid_for_name)
-			c = fname_from_uuid(st, &info, nbuf);
+			c = fname_from_uuid(st, &info, nbuf, '-');
 		else {
 			c = strchr(info.name, ':');
 			if (c) c++; else c= info.name;

Detail.c

@@ -128,7 +128,8 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
 			continue;
 		if ((dv=map_dev(disk.major, disk.minor, 1))) {
 			if ((!st || !st->sb) &&
-			    (disk.state & (1<<MD_DISK_ACTIVE))) {
+			    (array.raid_disks == 0 || 
+			     (disk.state & (1<<MD_DISK_ACTIVE)))) {
 				/* try to read the superblock from this device
 				 * to get more info
 				 */
@@ -136,8 +137,9 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
 				if (fd2 >=0 && st &&
 				    st->ss->load_super(st, fd2, NULL) == 0) {
 					st->ss->getinfo_super(st, &info);
-					if (info.array.ctime != array.ctime ||
-					    info.array.level != array.level)
+					if (array.raid_disks != 0 && /* container */
+					    (info.array.ctime != array.ctime ||
+					     info.array.level != array.level))
 						st->ss->free_super(st);
 				}
 				if (fd2 >= 0) close(fd2);

Incremental.c

@@ -233,7 +233,7 @@ int Incremental(char *devname, int verbose, int runstop,
 	mp = map_by_uuid(&map, info.uuid);
 
 	if (uuid_for_name && ! mp) {
-		name_to_use = fname_from_uuid(st, &info, nbuf);
+		name_to_use = fname_from_uuid(st, &info, nbuf, '-');
 		if (verbose >= 0)
 			fprintf(stderr, Name
 		": not found in mdadm.conf and not identified by homehost"
@@ -804,7 +804,7 @@ int Incremental_container(struct supertype *st, char *devname, int verbose,
 		    ! *name_to_use ||
 		    (*devname != '/' || strncmp("UUID-", strrchr(devname,'/')+1,5) == 0)
 			)
-			name_to_use = fname_from_uuid(st, ra, nbuf);
+			name_to_use = fname_from_uuid(st, ra, nbuf, '-');
 		    
 		if (mp)
 			devnum = mp->devnum;

mdadm.h

@@ -764,7 +764,7 @@ extern void uuid_from_super(int uuid[4], mdp_super_t *super);
 extern int same_uuid(int a[4], int b[4], int swapuuid);
 extern void copy_uuid(void *a, int b[4], int swapuuid);
 extern char *fname_from_uuid(struct supertype *st,
-			     struct mdinfo *info, char *buf);
+			     struct mdinfo *info, char *buf, char sep);
 extern unsigned long calc_csum(void *super, int bytes);
 extern int enough(int level, int raid_disks, int layout, int clean,
 		   char *avail, int avail_disks);

super-ddf.c

@@ -1100,20 +1100,18 @@ static void examine_super_ddf(struct supertype *st, char *homehost)
 	examine_pds(sb);
 }
 
+static void getinfo_super_ddf(struct supertype *st, struct mdinfo *info);
+
+
 static void brief_examine_super_ddf(struct supertype *st)
 {
 	/* We just write a generic DDF ARRAY entry
-	 * The uuid is all hex, 6 groups of 4 bytes
 	 */
-	struct ddf_super *ddf = st->sb;
-	int i;
-	printf("ARRAY /dev/ddf metadata=ddf UUID=");
-	for (i = 0; i < DDF_GUID_LEN; i++) {
-		if ((i&3) == 0 && i != 0)
-			printf(":");
-		printf("%02X", 255&ddf->anchor.guid[i]);
-	}
-	printf("\n");
+	struct mdinfo info;
+	char nbuf[64];
+	getinfo_super_ddf(st, &info);
+	fname_from_uuid(st, &info, nbuf, ':');
+	printf("ARRAY /dev/ddf metadata=ddf UUID=%s\n", nbuf + 5);
 }
 
 static void detail_super_ddf(struct supertype *st, char *homehost)
@@ -1132,6 +1130,11 @@ static void brief_detail_super_ddf(struct supertype *st)
 	 * Can that be stored in ddf_super??
 	 */
 //	struct ddf_super *ddf = st->sb;
+	struct mdinfo info;
+	char nbuf[64];
+	getinfo_super_ddf(st, &info);
+	fname_from_uuid(st, &info, nbuf,':');
+	printf(" UUID=%s", nbuf + 5);
 }
 #endif
 

super-intel.c

@@ -560,9 +560,18 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
 	}
 }
 
+static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info);
+
 static void brief_examine_super_imsm(struct supertype *st)
 {
-	printf("ARRAY /dev/imsm metadata=imsm\n");
+	/* We just write a generic DDF ARRAY entry
+	 */
+	struct mdinfo info;
+	char nbuf[64];
+
+	getinfo_super_imsm(st, &info);
+	fname_from_uuid(st, &info, nbuf,'-');
+	printf("ARRAY /dev/imsm metadata=imsm UUID=%s\n", nbuf + 5);
 }
 
 static void detail_super_imsm(struct supertype *st, char *homehost)
@@ -572,7 +581,11 @@ static void detail_super_imsm(struct supertype *st, char *homehost)
 
 static void brief_detail_super_imsm(struct supertype *st)
 {
-	printf("%s\n", __FUNCTION__);
+	struct mdinfo info;
+	char nbuf[64];
+	getinfo_super_imsm(st, &info);
+	fname_from_uuid(st, &info, nbuf,'-');
+	printf(" UUID=%s", nbuf + 5);
 }
 #endif
 

util.c

@@ -269,7 +269,7 @@ void copy_uuid(void *a, int b[4], int swapuuid)
 		memcpy(a, b, 16);
 }
 
-char *fname_from_uuid(struct supertype *st, struct mdinfo *info, char *buf)
+char *fname_from_uuid(struct supertype *st, struct mdinfo *info, char *buf, char sep)
 {
 	int i;
 	char uuid[16];
@@ -278,10 +278,8 @@ char *fname_from_uuid(struct supertype *st, struct mdinfo *info, char *buf)
 	c += strlen(c);
 	copy_uuid(uuid, info->uuid, st->ss->swapuuid);
 	for (i=0; i<16; i++) {
-		if (i && (i&3)==0) {
-			strcpy(c, "-");
-			c++;
-		}
+		if (i && (i&3)==0)
+			*c++ = sep;
 		sprintf(c,"%02x", (unsigned char)uuid[i]);
 		c+= 2;
 	}