/*
* If the property is 'mountpoint', go through and unmount filesystems as
* necessary. We don't do the same for 'sharenfs', because we can just re-share
* with different options without interrupting service. We do handle 'sharesmb'
* since there may be old resource names that need to be removed.
*/
int
changelist_prefix(prop_changelist_t *clp)
{
prop_changenode_t *cn;
int ret = 0;
if (clp->cl_prop != ZFS_PROP_MOUNTPOINT &&
clp->cl_prop != ZFS_PROP_SHARESMB)
return (0);
for (cn = uu_list_first(clp->cl_list); cn != NULL;
cn = uu_list_next(clp->cl_list, cn)) {
/* if a previous loop failed, set the remaining to false */
if (ret == -1) {
cn->cn_needpost = B_FALSE;
continue;
}
/*
* If we are in the global zone, but this dataset is exported
* to a local zone, do nothing.
*/
if (getzoneid() == GLOBAL_ZONEID && cn->cn_zoned)
continue;
if (!ZFS_IS_VOLUME(cn->cn_handle)) {
/*
* Do the property specific processing.
*/
switch (clp->cl_prop) {
case ZFS_PROP_MOUNTPOINT:
if (zfs_unmount(cn->cn_handle, NULL,
clp->cl_mflags) != 0) {
ret = -1;
cn->cn_needpost = B_FALSE;
}
break;
case ZFS_PROP_SHARESMB:
(void) zfs_unshare_smb(cn->cn_handle, NULL);
break;
default:
break;
}
}
}
if (ret == -1) {
#if defined(HAVE_ZPL)
(void) changelist_postfix(clp);
#else
ret = changelist_postfix(clp);
#endif
}
return (ret);
}
/*
* mount this filesystem and any children inheriting the mountpoint property.
* To do this, just act like we're changing the mountpoint property, but don't
* unmount the filesystems first.
*/
int
zfs_mountall(zfs_handle_t *zhp, int mflags)
{
prop_changelist_t *clp;
int ret;
clp = changelist_gather(zhp, ZFS_PROP_MOUNTPOINT,
CL_GATHER_MOUNT_ALWAYS, mflags);
if (clp == NULL)
return (-1);
ret = changelist_postfix(clp);
changelist_free(clp);
return (ret);
}
/*
* If the property is 'mountpoint', go through and unmount filesystems as
* necessary. We don't do the same for 'sharenfs', because we can just re-share
* with different options without interrupting service.
*/
int
changelist_prefix(prop_changelist_t *clp)
{
prop_changenode_t *cn;
int ret = 0;
if (clp->cl_prop != ZFS_PROP_MOUNTPOINT)
return (0);
for (cn = uu_list_first(clp->cl_list); cn != NULL;
cn = uu_list_next(clp->cl_list, cn)) {
/* if a previous loop failed, set the remaining to false */
if (ret == -1) {
cn->cn_needpost = B_FALSE;
continue;
}
/*
* If we are in the global zone, but this dataset is exported
* to a local zone, do nothing.
*/
if (getzoneid() == GLOBAL_ZONEID && cn->cn_zoned)
continue;
if (ZFS_IS_VOLUME(cn->cn_handle)) {
switch (clp->cl_realprop) {
case ZFS_PROP_NAME:
/*
* If this was a rename, unshare the zvol, and
* remove the /dev/zvol links.
*/
(void) zfs_unshare_iscsi(cn->cn_handle);
if (zvol_remove_link(cn->cn_handle->zfs_hdl,
cn->cn_handle->zfs_name) != 0) {
ret = -1;
cn->cn_needpost = B_FALSE;
(void) zfs_share_iscsi(cn->cn_handle);
}
break;
case ZFS_PROP_VOLSIZE:
/*
* If this was a change to the volume size, we
* need to unshare and reshare the volume.
*/
(void) zfs_unshare_iscsi(cn->cn_handle);
break;
}
} else if (zfs_unmount(cn->cn_handle, NULL,
clp->cl_flags) != 0) {
ret = -1;
cn->cn_needpost = B_FALSE;
}
}
if (ret == -1)
(void) changelist_postfix(clp);
return (ret);
}