static void _usebuf_endio(struct generic_callback *cb)
{
struct usebuf_mref_aspect *mref_a = cb->cb_private;
struct mref_object *mref;
struct usebuf_mref_aspect *sub_mref_a;
struct mref_object *sub_mref;
LAST_CALLBACK(cb);
CHECK_PTR(mref_a, done);
mref = mref_a->object;
CHECK_PTR(mref, done);
sub_mref_a = mref_a->sub_mref_a;
CHECK_PTR(sub_mref_a, done);
sub_mref = sub_mref_a->object;
CHECK_PTR(sub_mref, done);
//MARS_INF("HALLO %p %p len = %d may_write = %d rw = %d flags = %d\n", mref, sub_mref, sub_mref->ref_len, sub_mref->ref_may_write, sub_mref->ref_rw, sub_mref->ref_flags);
if (mref->ref_data != sub_mref->ref_data && cb->cb_error >= 0) {
if (sub_mref->ref_may_write == 0) {
if (sub_mref->ref_flags & MREF_UPTODATE) {
_usebuf_copy(mref, sub_mref, 0);
mref->ref_flags |= MREF_UPTODATE;
}
#ifndef FAKE_ALL
} else if (sub_mref->ref_rw == 0) {
MARS_IO("re-kick %p\n", sub_mref);
sub_mref->ref_rw = 1;
_usebuf_copy(mref, sub_mref, 1);
mref->ref_flags |= MREF_UPTODATE;
GENERIC_INPUT_CALL(mref_a->input, mref_io, sub_mref);
return;
#endif
}
}
#if 1
if (mref_a->yyy++ > 0)
MARS_ERR("yyy = %d\n", mref_a->yyy - 1);
if (cb->cb_error < 0)
MARS_ERR("error = %d\n", cb->cb_error);
#endif
CHECKED_CALLBACK(mref, cb->cb_error, done);
if (!_mref_put(mref))
return;
#if 1
_mref_put(sub_mref);
#endif
usebuf_free_mref(mref);
done:;
}
static
void _complete(struct aio_output *output, struct aio_mref_aspect *mref_a, int err)
{
struct mref_object *mref;
CHECK_PTR(mref_a, fatal);
mref = mref_a->object;
CHECK_PTR(mref, fatal);
mars_trace(mref, "aio_endio");
if (err < 0) {
MARS_ERR("IO error %d at pos=%lld len=%d (mref=%p ref_data=%p)\n", err, mref->ref_pos, mref->ref_len, mref, mref->ref_data);
} else {
mref_checksum(mref);
mref->ref_flags |= MREF_UPTODATE;
}
CHECKED_CALLBACK(mref, err, err_found);
done:
if (mref->ref_rw) {
atomic_dec(&output->write_count);
} else {
atomic_dec(&output->read_count);
}
mf_remove_dirty(output->mf, &mref_a->di);
aio_ref_put(output, mref);
atomic_dec(&output->work_count);
atomic_dec(&mars_global_io_flying);
return;
err_found:
MARS_FAT("giving up...\n");
goto done;
fatal:
MARS_FAT("bad pointer, giving up...\n");
}
