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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "librbd/object_map/Request.h"
#include "common/dout.h"
#include "common/errno.h"
#include "common/RWLock.h"
#include "librbd/ImageCtx.h"
#include "librbd/object_map/InvalidateRequest.h"
#define dout_subsys ceph_subsys_rbd
#undef dout_prefix
#define dout_prefix *_dout << "librbd::object_map::Request: "
namespace librbd {
namespace object_map {
bool Request::should_complete(int r) {
CephContext *cct = m_image_ctx.cct;
ldout(cct, 20) << this << " should_complete: r=" << r << dendl;
switch (m_state)
{
case STATE_REQUEST:
if (r == -ETIMEDOUT &&
!cct->_conf.get_val<bool>("rbd_invalidate_object_map_on_timeout")) {
m_state = STATE_TIMEOUT;
return true;
} else if (r < 0) {
lderr(cct) << "failed to update object map: " << cpp_strerror(r)
<< dendl;
return invalidate();
}
finish_request();
return true;
case STATE_INVALIDATE:
ldout(cct, 20) << "INVALIDATE" << dendl;
if (r < 0) {
lderr(cct) << "failed to invalidate object map: " << cpp_strerror(r)
<< dendl;
}
return true;
default:
lderr(cct) << "invalid state: " << m_state << dendl;
ceph_abort();
break;
}
return false;
}
bool Request::invalidate() {
bool flags_set;
int r = m_image_ctx.test_flags(m_snap_id, RBD_FLAG_OBJECT_MAP_INVALID,
&flags_set);
if (r < 0 || flags_set) {
return true;
}
m_state = STATE_INVALIDATE;
std::shared_lock owner_locker{m_image_ctx.owner_lock};
std::unique_lock image_locker{m_image_ctx.image_lock};
InvalidateRequest<> *req = new InvalidateRequest<>(m_image_ctx, m_snap_id,
true,
create_callback_context());
req->send();
return false;
}
} // namespace object_map
} // namespace librbd
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