/*}}}*/
void prepend_child(struct node *child, struct node *parent)/*{{{*/
{
child->parent = parent;
if (parent) {
prepend_node(child, &parent->kids);
} else {
struct node *narrow_top;
narrow_top = get_narrow_top();
prepend_node(child, narrow_top ? &narrow_top->kids : &top);
}
}
/* Clean up after an error. The caller should usually call do_request()
after this function returns. It can be called from an IRQ handler or the
normal kernel context. */
void handle_error(const char *from)
{
u_long flags;
if(current_req == NULL)
return;
save_flags(flags);
cli();
kprintf("\nfd: %s (%s): Error (retry number %d)\n",
from, REQ_FD_DEV(current_req)->name, current_req->retries);
dump_stat();
fd_intr = NULL;
if(current_req->retries++ < MAX_RETRIES)
{
#if 0
if((current_req->retries % RESET_FREQ) == 0)
reset_pending = TRUE;
#endif
if((current_req->retries % RECAL_FREQ) == 0)
REQ_FD_DEV(current_req)->recalibrate = TRUE;
/* Retry the current request, this simply means stacking it on the
front of the queue and calling do_request(). */
prepend_node(&fd_reqs, ¤t_req->node);
current_req = NULL;
DB(("fd:handle_error: Retrying request %p\n", current_req));
}
else
{
#if 0
reset_pending = TRUE;
#endif
REQ_FD_DEV(current_req)->recalibrate = TRUE;
DB(("\nfd: handle_error: Request %p has no more retries available.\n",
current_req));
fd_end_request(-1);
}
load_flags(flags);
}
