diff options
Diffstat (limited to 'super0.c')
| -rw-r--r-- | super0.c | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -334,7 +334,9 @@ static void getinfo_super0(struct mdinfo *info, void *sbv) } -static int update_super0(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose) +static int update_super0(struct mdinfo *info, void *sbv, char *update, + char *devname, int verbose, + int uuid_set, char *homehost) { /* NOTE: for 'assemble' and 'force' we need to return non-zero if any change was made. * For others, the return value is ignored. @@ -441,6 +443,12 @@ static int update_super0(struct mdinfo *info, void *sbv, char *update, char *dev sb->recovery_cp = 0; } if (strcmp(update, "uuid") == 0) { + if (!uuid_set && homehost) { + unsigned char *hash = SHA1((unsigned char*)homehost, + strlen(homehost), + NULL); + memcpy(info->uuid+2, hash, 8); + } sb->set_uuid0 = info->uuid[0]; sb->set_uuid1 = info->uuid[1]; sb->set_uuid2 = info->uuid[2]; |