blob: a5e3a8bd993c1ccfaef55daea63e435740529533 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// -*- 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 < 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;
RWLock::RLocker owner_locker(m_image_ctx.owner_lock);
RWLock::WLocker snap_locker(m_image_ctx.snap_lock);
InvalidateRequest<> *req = new InvalidateRequest<>(m_image_ctx, m_snap_id,
true,
create_callback_context());
req->send();
return false;
}
} // namespace object_map
} // namespace librbd
|
