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vtoc->efi_parts[8].p_tag = V_RESERVED;
if (efi_write(fd, vtoc) != 0) {
/*
* Some block drivers (like pcata) may not support EFI
* GPT labels. Print out a helpful error message dir-
* ecting the user to manually label the disk and give
* a specific slice.
*/
(void) close(fd);
efi_free(vtoc);
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
""try using fdisk(1M) and then provide a specific slice""));
return (zfs_error(hdl, EZFS_LABELFAILED, errbuf));
}
(void) close(fd);
efi_free(vtoc);
return (0);
}
static boolean_t
supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf)
{
char *type;
nvlist_t **child;
uint_t children, c;
verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0);
if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 ||
strcmp(type, VDEV_TYPE_FILE) == 0 ||
strcmp(type, VDEV_TYPE_LOG) == 0 ||
strcmp(type, VDEV_TYPE_HOLE) == 0 ||
strcmp(type, VDEV_TYPE_MISSING) == 0) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
""vdev type '%s' is not supported""), type);
(void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf);
return (B_FALSE);
}
if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN,
&child, &children) == 0) {
for (c = 0; c < children; c++) {
if (!supported_dump_vdev_type(hdl, child[c], errbuf))
return (B_FALSE);
}
}
return (B_TRUE);
}
/*
* check if this zvol is allowable for use as a dump device; zero if
* it is, > 0 if it isn't, < 0 if it isn't a zvol
*/
int
zvol_check_dump_config(char *arg)
{
zpool_handle_t *zhp = NULL;
nvlist_t *config, *nvroot;
char *p, *volname;
nvlist_t **top;
uint_t toplevels;
libzfs_handle_t *hdl;
char errbuf[1024];
char poolname[ZPOOL_MAXNAMELEN];
int pathlen = strlen(ZVOL_FULL_DEV_DIR);
int ret = 1;
if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) {
return (-1);
}
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
""dump is not supported on device '%s'""), arg);
if ((hdl = libzfs_init()) == NULL)
return (1);
libzfs_print_on_error(hdl, B_TRUE);
volname = arg + pathlen;
/* check the configuration of the pool */
if ((p = strchr(volname, '/')) == NULL) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
""malformed dataset name""));
(void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf);
return (1);
} else if (p - volname >= ZFS_MAXNAMELEN) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
""dataset name is too long""));
(void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf);
return (1);
} else {
(void) strncpy(poolname, volname, p - volname);
poolname[p - volname] = '\0';
}
if ((zhp = zpool_open(hdl, poolname)) == NULL) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
""could not open pool '%s'""), poolname);