kill(pid, SIGTERM);
+ if (sock < 0)
+ return;
+
/* Wait for monitor to exit by reading from the socket, after
* clearing the non-blocking flag */
fl = fcntl(sock, F_GETFL, 0);
void usage(void)
{
- fprintf(stderr, "Usage: mdmon [--all] [--takeover] CONTAINER\n");
+ fprintf(stderr,
+"Usage: mdmon [options] CONTAINER\n"
+"\n"
+"Options are:\n"
+" --help -h : This message\n"
+" --all : All devices\n"
+" --takeover -t : Takeover container\n"
+" --offroot : Set first character of argv[0] to @ to indicate the\n"
+" application was launched from initrd/initramfs and\n"
+" should not be shutdown by systemd as part of the\n"
+" regular shutdown process.\n"
+);
exit(2);
}
int devnum;
char *devname;
int status = 0;
- int arg;
+ int opt;
int all = 0;
int takeover = 0;
-
- for (arg = 1; arg < argc; arg++) {
- if (strncmp(argv[arg], "--all",5) == 0 ||
- strcmp(argv[arg], "/proc/mdstat") == 0) {
- container_name = argv[arg];
+ static struct option options[] = {
+ {"all", 0, NULL, 'a'},
+ {"takeover", 0, NULL, 't'},
+ {"help", 0, NULL, 'h'},
+ {"offroot", 0, NULL, OffRootOpt},
+ {NULL, 0, NULL, 0}
+ };
+
+ while ((opt = getopt_long(argc, argv, "th", options, NULL)) != -1) {
+ switch (opt) {
+ case 'a':
+ container_name = argv[optind-1];
all = 1;
- } else if (strcmp(argv[arg], "--takeover") == 0)
+ break;
+ case 't':
+ container_name = optarg;
takeover = 1;
- else if (container_name == NULL)
- container_name = argv[arg];
- else
+ break;
+ case OffRootOpt:
+ argv[0][0] = '@';
+ break;
+ case 'h':
+ default:
usage();
+ break;
+ }
+ }
+
+ if (all == 0 && container_name == NULL) {
+ if (argv[optind])
+ container_name = argv[optind];
}
+
if (container_name == NULL)
usage();
+ if (argc - optind > 1)
+ usage();
+
+ if (strcmp(container_name, "/proc/mdstat") == 0)
+ all = 1;
+
if (all) {
struct mdstat_ent *mdstat, *e;
int container_len = strlen(container_name);
/* launch an mdmon instance for each container found */
mdstat = mdstat_read(0, 0);
for (e = mdstat; e; e = e->next) {
- if (strncmp(e->metadata_version, "external:", 9) == 0 &&
+ if (e->metadata_version &&
+ strncmp(e->metadata_version, "external:", 9) == 0 &&
!is_subarray(&e->metadata_version[9])) {
devname = devnum2devname(e->devnum);
/* update cmdline so this mdmon instance can be
exit(3);
}
close(victim_sock);
+ victim_sock = -1;
}
if (container->ss->load_container(container, mdfd, devname)) {
fprintf(stderr, "mdmon: Cannot load metadata for %s\n",
if (victim > 0) {
try_kill_monitor(victim, container->devname, victim_sock);
- close(victim_sock);
+ if (victim_sock >= 0)
+ close(victim_sock);
}
setsid();
ignore = dup(0);
#endif
+ /* This silliness is to stop the compiler complaining
+ * that we ignore 'ignore'
+ */
+ if (ignore)
+ ignore++;
+
do_manager(container);
exit(0);
{
return 0;
}
+
+int restore_stripes(int *dest, unsigned long long *offsets,
+ int raid_disks, int chunk_size, int level, int layout,
+ int source, unsigned long long read_offset,
+ unsigned long long start, unsigned long long length,
+ char *src_buf)
+{
+ return 1;
+}
+
+void abort_reshape(struct mdinfo *sra)
+{
+ return;
+}
+
+int save_stripes(int *source, unsigned long long *offsets,
+ int raid_disks, int chunk_size, int level, int layout,
+ int nwrites, int *dest,
+ unsigned long long start, unsigned long long length,
+ char *buf)
+{
+ return 0;
+}