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codeparrot

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if (bytes_left != 0) {
physpath[pos] = 0;
}
return (EZFS_NOSPC);
}
return (0);
}
static int
vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size,
size_t *rsz, boolean_t is_spare)
{
char *type;
int ret;
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0)
return (EZFS_INVALCONFIG);
if (strcmp(type, VDEV_TYPE_DISK) == 0) {
/*
* An active spare device has ZPOOL_CONFIG_IS_SPARE set.
* For a spare vdev, we only want to boot from the active
* spare device.
*/
if (is_spare) {
uint64_t spare = 0;
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE,
&spare);
if (!spare)
return (EZFS_INVALCONFIG);
}
if (vdev_online(nv)) {
if ((ret = vdev_get_one_physpath(nv, physpath,
phypath_size, rsz)) != 0)
return (ret);
}
} else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 ||
strcmp(type, VDEV_TYPE_REPLACING) == 0 ||
(is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) {
nvlist_t **child;
uint_t count;
int i, ret;
if (nvlist_lookup_nvlist_array(nv,
ZPOOL_CONFIG_CHILDREN, &child, &count) != 0)
return (EZFS_INVALCONFIG);
for (i = 0; i < count; i++) {
ret = vdev_get_physpaths(child[i], physpath,
phypath_size, rsz, is_spare);
if (ret == EZFS_NOSPC)
return (ret);
}
}
return (EZFS_POOL_INVALARG);
}
/*
* Get phys_path for a root pool config.
* Return 0 on success; non-zero on failure.
*/
static int
zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size)
{
size_t rsz;
nvlist_t *vdev_root;
nvlist_t **child;
uint_t count;
char *type;
rsz = 0;
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&vdev_root) != 0)
return (EZFS_INVALCONFIG);
if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 ||
nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN,
&child, &count) != 0)
return (EZFS_INVALCONFIG);
/*
* root pool can not have EFI labeled disks and can only have
* a single top-level vdev.
*/
#if 0
if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 ||
pool_uses_efi(vdev_root))
return (EZFS_POOL_INVALARG);
#endif
(void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz,
B_FALSE);
/* No online devices */
if (rsz == 0)
return (EZFS_NODEVICE);