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
|
#include <glusterfs/call-stub.h>
#include "metadisp.h"
int32_t
metadisp_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata)
{
METADISP_TRACE("got open results %d %d", op_ret, op_errno);
call_stub_t *stub = NULL;
if (cookie) {
stub = cookie;
}
if (op_ret != 0) {
goto unwind;
}
if (!stub) {
goto unwind;
}
if (stub->poison) {
call_stub_destroy(stub);
stub = NULL;
return 0;
}
call_resume(stub);
return 0;
unwind:
if (stub) {
call_stub_destroy(stub);
}
STACK_UNWIND_STRICT(open, frame, op_ret, op_errno, fd, xdata);
return 0;
}
int32_t
metadisp_open_resume(call_frame_t *frame, xlator_t *this, loc_t *loc,
int32_t flags, fd_t *fd, dict_t *xdata)
{
STACK_WIND_COOKIE(frame, metadisp_open_cbk, NULL, DATA_CHILD(this),
DATA_CHILD(this)->fops->open, loc, flags, fd, xdata);
return 0;
}
int32_t
metadisp_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
fd_t *fd, dict_t *xdata)
{
call_stub_t *stub = NULL;
loc_t backend_loc = {
0,
};
if (build_backend_loc(loc->gfid, loc, &backend_loc)) {
goto unwind;
}
stub = fop_open_stub(frame, metadisp_open_resume, &backend_loc, flags, fd,
xdata);
STACK_WIND_COOKIE(frame, metadisp_open_cbk, stub, METADATA_CHILD(this),
METADATA_CHILD(this)->fops->open, loc, flags, fd, xdata);
return 0;
unwind:
STACK_UNWIND_STRICT(open, frame, -1, EINVAL, NULL, NULL);
return 0;
}
|
