static int
oo_ioctl_debug_op(ci_private_t *priv, void *arg)
{
ci_debug_onload_op_t *op = arg;
int rc;
if( !ci_is_sysadmin() ) return -EPERM;
switch( op->what ) {
case __CI_DEBUG_OP_DUMP_INODE__:
rc = efab_linux_dump_inode(op->u.fd);
break;
case __CI_DEBUG_OP_TRAMPOLINE__:
rc = efab_linux_trampoline_debug(&op->u.tramp_debug);
break;
case __CI_DEBUG_OP_FDS_DUMP__:
rc = efab_fds_dump(op->u.fds_dump_pid);
break;
case __CI_DEBUG_OP_DUMP_STACK__:
rc = tcp_helper_dump_stack(op->u.dump_stack.stack_id,
op->u.dump_stack.orphan_only,
CI_USER_PTR_GET(op->u.dump_stack.user_buf),
op->u.dump_stack.user_buf_len);
break;
case __CI_DEBUG_OP_KILL_STACK__:
rc = tcp_helper_kill_stack_by_id(op->u.stack_id);
break;
default:
rc = -EINVAL;
break;
}
return rc;
}
/* Kill an orphan stack in the thc
*
* You must hold the thc_mutex before calling this function.
*
* You cannot hold the THR_TABLE.lock when calling this function.
*/
static void thc_kill_an_orphan(tcp_helper_cluster_t* thc)
{
tcp_helper_resource_t* thr = NULL;
int rc;
rc = thc_get_an_orphan(thc, &thr);
ci_assert_equal(rc, 0);
/* This is generally called when the stack is being freed. But as
* we are holding the thc_mutex, we will deadlock if we took that
* path. So we remove thr from the thc now. */
thc_remove_thr(thc, thr);
LOG_U(ci_log("Clustering: Killing orphan stack %d", thr->id));
rc = tcp_helper_kill_stack_by_id(thr->id);
#ifndef NDEBUG
if( rc != 0 && rc != -EBUSY )
LOG_U(ci_log("%s: tcp_helper_kill_stack_by_id(%d): failed %d", __FUNCTION__,
thr->id, rc));
#endif
}
