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codeparrot

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switch (errno) {
case EBUSY:
/*
* There are no other replicas of this device.
*/
return (zfs_error(hdl, EZFS_NOREPLICAS, msg));
default:
return (zpool_standard_error(hdl, errno, msg));
}
}
/*
* Mark the given vdev degraded.
*/
int
zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, ""cannot degrade %llu""), (u_longlong_t) guid);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
zc.zc_guid = guid;
zc.zc_cookie = VDEV_STATE_DEGRADED;
zc.zc_obj = aux;
if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0)
return (0);
return (zpool_standard_error(hdl, errno, msg));
}
/*
* Returns TRUE if the given nvlist is a vdev that was originally swapped in as
* a hot spare.
*/
static boolean_t
is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which)
{
nvlist_t **child;
uint_t c, children;
char *type;
if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child,
&children) == 0) {
verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE,
&type) == 0);
if (strcmp(type, VDEV_TYPE_SPARE) == 0 &&
children == 2 && child[which] == tgt)
return (B_TRUE);
for (c = 0; c < children; c++)
if (is_replacing_spare(child[c], tgt, which))
return (B_TRUE);
}
return (B_FALSE);
}
/*
* Attach new_disk (fully described by nvroot) to old_disk.
* If 'replacing' is specified, the new disk will replace the old one.
*/
int
zpool_vdev_attach(zpool_handle_t *zhp,
const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
int ret;
nvlist_t *tgt;
boolean_t avail_spare, l2cache, islog;
uint64_t val;
char *path, *newname;
nvlist_t **child;
uint_t children;
nvlist_t *config_root;
libzfs_handle_t *hdl = zhp->zpool_hdl;
boolean_t rootpool = pool_is_bootable(zhp);
if (replacing)
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
""cannot replace %s with %s""), old_disk, new_disk);
else
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
""cannot attach %s to %s""), new_disk, old_disk);
/*
* If this is a root pool, make sure that we're not attaching an
* EFI labeled device.
*/
#if 0
if (rootpool && pool_uses_efi(nvroot)) {