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
|
/*
Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include "xlator.h"
#include "defaults.h"
#include "meta-mem-types.h"
#include "meta.h"
#include "strfd.h"
static int
measure_file_fill(xlator_t *this, inode_t *file, strfd_t *strfd)
{
strprintf(strfd, "%d\n", this->ctx->measure_latency);
return strfd->size;
}
static int
measure_file_write(xlator_t *this, fd_t *fd, struct iovec *iov, int count)
{
long int num = -1;
num = strtol(iov[0].iov_base, NULL, 0);
this->ctx->measure_latency = !!num;
return iov_length(iov, count);
}
static struct meta_ops measure_file_ops = {
.file_fill = measure_file_fill,
.file_write = measure_file_write,
};
int
meta_measure_file_hook(call_frame_t *frame, xlator_t *this, loc_t *loc,
dict_t *xdata)
{
meta_ops_set(loc->inode, this, &measure_file_ops);
return 0;
}
|
