46a47
> #include <uuid/uuid.h>
72a74
>         int uuid;
87c89
< 			"\t[-J journal-options] [-S volume-size] [-qvV] "
---
> 			"\t[-J journal-options] [-S volume-size] [-qvuV] "
244a247
>                 { "uuid-reset", 0, 0, 'u'},
257c260
< 		c = getopt_long(argc, argv, "L:N:J:S:vqVx", long_options, 
---
> 		c = getopt_long(argc, argv, "L:N:J:S:vquVx", long_options, 
305a309,312
>                 case 'u':
>                         opts.uuid = 1;
>                         break;
> 
473a481,512
> 
> static void update_uuid (ocfs2_filesys *fs, int *changed)
> {
>         unsigned char *uuid = OCFS2_RAW_SB(fs->fs_super)->s_uuid;
> 	size_t i, max = sizeof(OCFS2_RAW_SB(fs->fs_super)->s_uuid);
>         uuid_t uuid_new;
> 
>         /* print out old uuid of device */
>         printf ("Try to change uuid: \n");
> 	for(i = 0; i < max; i++)
> 		printf("%02x ", uuid[i]);
> 
> 	printf("\n");
> 
>         /* generate new uuid */
>         uuid_generate(uuid_new);   
> 
>    	memset (OCFS2_RAW_SB(fs->fs_super)->s_uuid, 0, OCFS2_VOL_UUID_LEN);
> 	memcpy (OCFS2_RAW_SB(fs->fs_super)->s_uuid, uuid_new, OCFS2_VOL_UUID_LEN);
>          
>         /* print out new uuid */
>         printf ("New uuid: \n");
> 	for(i = 0; i < max; i++)
> 		printf("%02x ", uuid[i]);
> 
>         printf("\n");
>        
>         *changed = 1;
> 
> 	return ;
> }
> 
555a595
>         int upd_uuid = 0;
676a717,720
>         /* update unique serial number of device has been selected */
>         if (opts.uuid) 
>                 printf (" Change unique serial number of device \n ");
> 
692a737,743
>         /* update the unique serial number */
>         if (opts.uuid) {
>                 update_uuid (fs, &upd_uuid);
>                 if (upd_uuid)
>                         printf ("Changed volume uuid \n");
>         }
> 
729c780
< 	if (upd_label || upd_slots || upd_vsize) {
---
> 	if (upd_label || upd_slots || upd_vsize || upd_uuid) {