int i;
unsigned long long array_size = 0;
- unsigned long long data_offset = INVALID_SECTORS;
struct mddev_ident ident;
char *configfile = NULL;
int devmode = 0;
struct mddev_dev *dv;
mdu_array_info_t array;
int devs_found = 0;
- char *symlinks = NULL;
int grow_continue = 0;
/* autof indicates whether and how to create device node.
* bottom 3 bits are style. Rest (when shifted) are number of parts
.layout = UnSet,
.bitmap_chunk = UnSet,
.consistency_policy = CONSISTENCY_POLICY_UNKNOWN,
+ .data_offset = INVALID_SECTORS,
};
char sys_hostname[256];
srandom(time(0) ^ getpid());
- ident.uuid_set = 0;
- ident.level = UnSet;
- ident.raid_disks = UnSet;
- ident.super_minor = UnSet;
- ident.devices = 0;
- ident.spare_group = NULL;
- ident.autof = 0;
- ident.st = NULL;
- ident.bitmap_fd = -1;
- ident.bitmap_file = NULL;
- ident.name[0] = 0;
- ident.container = NULL;
- ident.member = NULL;
-
if (get_linux_version() < 2006015) {
pr_err("This version of mdadm does not support kernels older than 2.6.15\n");
exit(1);
}
+ ident_init(&ident);
+
while ((option_index = -1),
(opt = getopt_long(argc, argv, shortopt, long_options,
&option_index)) != -1) {
case O(CREATE,DataOffset):
case O(GROW,DataOffset):
- if (data_offset != INVALID_SECTORS) {
+ if (s.data_offset != INVALID_SECTORS) {
pr_err("data-offset may only be specified one. Second value is %s.\n", optarg);
exit(2);
}
if (mode == CREATE && strcmp(optarg, "variable") == 0)
- data_offset = VARIABLE_OFFSET;
+ s.data_offset = VARIABLE_OFFSET;
else
- data_offset = parse_size(optarg);
- if (data_offset == INVALID_SECTORS) {
+ s.data_offset = parse_size(optarg);
+ if (s.data_offset == INVALID_SECTORS) {
pr_err("invalid data-offset: %s\n",
optarg);
exit(2);
case O(ASSEMBLE,Auto): /* auto-creation of device node */
c.autof = parse_auto(optarg, "--auto flag", 0);
continue;
-
- case O(CREATE,Symlinks):
- case O(BUILD,Symlinks):
- case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */
- symlinks = optarg;
- continue;
-
case O(BUILD,'f'): /* force honouring '-n 1' */
case O(BUILD,Force): /* force honouring '-n 1' */
case O(GROW,'f'): /* ditto */
case O(BUILD, WriteBehind):
case O(CREATE, WriteBehind):
s.write_behind = DEFAULT_MAX_WRITE_BEHIND;
- if (parse_num(&s.write_behind, optarg) != 0 ||
- s.write_behind < 0 || s.write_behind > 16383) {
+ if (optarg &&
+ (parse_num(&s.write_behind, optarg) != 0 ||
+ s.write_behind < 0 || s.write_behind > 16383)) {
pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n",
optarg);
exit(2);
exit(2);
}
- if (symlinks) {
- struct createinfo *ci = conf_get_create_info();
-
- if (strcasecmp(symlinks, "yes") == 0)
- ci->symlinks = 1;
- else if (strcasecmp(symlinks, "no") == 0)
- ci->symlinks = 0;
- else {
- pr_err("option --symlinks must be 'no' or 'yes'\n");
- exit(2);
- }
- }
/* Ok, got the option parsing out of the way
* hopefully it's mostly right but there might be some stuff
* missing
if (mode == MANAGE || mode == BUILD || mode == CREATE ||
mode == GROW || (mode == ASSEMBLE && ! c.scan)) {
+ struct stat stb;
+ int ret;
+
if (devs_found < 1) {
pr_err("an md device must be given in this mode\n");
exit(2);
mdfd = open_mddev(devlist->devname, 1);
if (mdfd < 0)
exit(1);
+
+ ret = fstat(mdfd, &stb);
+ if (ret) {
+ pr_err("fstat failed on %s.\n", devlist->devname);
+ exit(1);
+ }
} else {
char *bname = basename(devlist->devname);
pr_err("Name %s is too long.\n", devlist->devname);
exit(1);
}
- /* non-existent device is OK */
- mdfd = open_mddev(devlist->devname, 0);
- }
- if (mdfd == -2) {
- pr_err("device %s exists but is not an md array.\n", devlist->devname);
- exit(1);
- }
- if ((int)ident.super_minor == -2) {
- struct stat stb;
- if (mdfd < 0) {
+
+ ret = stat(devlist->devname, &stb);
+ if (ident.super_minor == -2 && ret != 0) {
pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n",
- devlist->devname);
+ devlist->devname);
+ exit(1);
+ }
+
+ if (!ret && !stat_is_md_dev(&stb)) {
+ pr_err("device %s exists but is not an md array.\n", devlist->devname);
exit(1);
}
- fstat(mdfd, &stb);
- ident.super_minor = minor(stb.st_rdev);
- }
- if (mdfd >= 0 && mode != MANAGE && mode != GROW) {
- /* We don't really want this open yet, we just might
- * have wanted to check some things
- */
- close(mdfd);
- mdfd = -1;
}
+ if (ident.super_minor == -2)
+ ident.super_minor = minor(stb.st_rdev);
}
if (s.raiddisks) {
exit(1);
}
- if (c.backup_file && data_offset != INVALID_SECTORS) {
+ if (c.backup_file && s.data_offset != INVALID_SECTORS) {
pr_err("--backup-file and --data-offset are incompatible\n");
exit(2);
}
rv = Create(ss, devlist->devname,
ident.name, ident.uuid_set ? ident.uuid : NULL,
- devs_found-1, devlist->next,
- &s, &c, data_offset);
+ devs_found - 1, devlist->next, &s, &c);
break;
case MISC:
if (devmode == 'E') {
c.verbose);
else if (s.size > 0 || s.raiddisks || s.layout_str ||
s.chunk != 0 || s.level != UnSet ||
- data_offset != INVALID_SECTORS) {
+ s.data_offset != INVALID_SECTORS) {
rv = Grow_reshape(devlist->devname, mdfd,
- devlist->next,
- data_offset, &c, &s);
+ devlist->next, &c, &s);
} else if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) {
rv = Grow_consistency_policy(devlist->devname, mdfd, &c, &s);
} else if (array_size == 0)
projects / thirdparty / mdadm.git / blobdiff