blob: 67850821b8e587b070204d98ebe46803d8f89a4a (
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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
Copyright (c) 2008-2012 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.
*/
#ifndef __QUICK_READ_H
#define __QUICK_READ_H
#include <glusterfs/glusterfs.h>
#include <glusterfs/logging.h>
#include <glusterfs/dict.h>
#include <glusterfs/xlator.h>
#include <glusterfs/list.h>
#include <glusterfs/compat.h>
#include <glusterfs/compat-errno.h>
#include <glusterfs/common-utils.h>
#include <glusterfs/call-stub.h>
#include <glusterfs/defaults.h>
#include <libgen.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fnmatch.h>
#include "quick-read-mem-types.h"
struct qr_inode {
void *data;
size_t size;
int priority;
uint32_t ia_mtime;
uint32_t ia_mtime_nsec;
uint32_t ia_ctime;
uint32_t ia_ctime_nsec;
uint32_t gen_rollover;
struct iatt buf;
struct timeval last_refresh;
struct list_head lru;
uint64_t gen;
uint64_t invalidation_time;
};
typedef struct qr_inode qr_inode_t;
struct qr_priority {
char *pattern;
int32_t priority;
struct list_head list;
};
typedef struct qr_priority qr_priority_t;
struct qr_conf {
uint64_t max_file_size;
int32_t cache_timeout;
uint64_t cache_size;
int max_pri;
gf_boolean_t qr_invalidation;
gf_boolean_t ctime_invalidation;
struct list_head priority_list;
};
typedef struct qr_conf qr_conf_t;
struct qr_inode_table {
uint64_t cache_used;
struct list_head *lru;
gf_lock_t lock;
};
typedef struct qr_inode_table qr_inode_table_t;
struct qr_statistics {
gf_atomic_t cache_hit;
gf_atomic_t cache_miss;
gf_atomic_t file_data_invals; /* No. of invalidates received from upcall */
gf_atomic_t files_cached;
};
struct qr_private {
qr_conf_t conf;
qr_inode_table_t table;
time_t last_child_down;
gf_lock_t lock;
struct qr_statistics qr_counter;
gf_atomic_int32_t generation;
};
typedef struct qr_private qr_private_t;
#endif /* #ifndef __QUICK_READ_H */
|
