blob: dd6b067c5bd8ba0139cf8350f4db2ea9ad91fdf4 (
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
|
/*
Copyright (c) 2009-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _STAT_PREFETCH_H
#define _STAT_PREFETCH_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "glusterfs.h"
#include "dict.h"
#include "xlator.h"
#include "rbthash.h"
#include "hashfn.h"
struct sp_cache {
rbthash_table_t *table;
uint64_t expected_offset; /* Offset where the next read will
* happen.
*/
gf_lock_t lock;
unsigned long miss;
unsigned long hits;
};
typedef struct sp_cache sp_cache_t;
struct sp_fd_ctx {
sp_cache_t *cache;
inode_t *parent_inode; /*
* inode corresponding to dirname (path)
*/
char *name; /*
* basename of path on which this fd is
* opened
*/
gf_lock_t lock;
};
typedef struct sp_fd_ctx sp_fd_ctx_t;
struct sp_local {
loc_t loc;
fd_t *fd;
};
typedef struct sp_local sp_local_t;
void sp_local_free (sp_local_t *local);
#define SP_STACK_UNWIND(frame, params ...) do { \
sp_local_t *__local = frame->local; \
frame->local = NULL; \
STACK_UNWIND (frame, params); \
sp_local_free (__local); \
} while (0)
#define SP_STACK_DESTROY(frame) do { \
sp_local_t *__local = frame->local; \
frame->local = NULL; \
STACK_DESTROY (frame->root); \
sp_local_free (__local); \
} while (0)
#endif /* #ifndef _STAT_PREFETCH_H */
|
