blob: b358ad8d8b90ac1b1ae390a3ba1cf58439a55613 (
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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2023 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <djwong@kernel.org>
*/
#ifndef __XFS_SCRUB_STATS_H__
#define __XFS_SCRUB_STATS_H__
struct xchk_stats_run {
u64 scrub_ns;
u64 repair_ns;
unsigned int retries;
bool repair_attempted;
bool repair_succeeded;
};
#ifdef CONFIG_XFS_ONLINE_SCRUB_STATS
struct xchk_stats;
int __init xchk_global_stats_setup(struct dentry *parent);
void xchk_global_stats_teardown(void);
int xchk_mount_stats_alloc(struct xfs_mount *mp);
void xchk_mount_stats_free(struct xfs_mount *mp);
void xchk_stats_register(struct xchk_stats *cs, struct dentry *parent);
void xchk_stats_unregister(struct xchk_stats *cs);
void xchk_stats_merge(struct xfs_mount *mp, const struct xfs_scrub_metadata *sm,
const struct xchk_stats_run *run);
static inline u64 xchk_stats_now(void) { return ktime_get_ns(); }
static inline u64 xchk_stats_elapsed_ns(u64 since)
{
u64 now = xchk_stats_now();
/*
* If the system doesn't have a high enough resolution clock, charge at
* least one nanosecond so that our stats don't report instantaneous
* runtimes.
*/
if (now == since)
return 1;
return now - since;
}
#else
# define xchk_global_stats_setup(parent) (0)
# define xchk_global_stats_teardown() ((void)0)
# define xchk_mount_stats_alloc(mp) (0)
# define xchk_mount_stats_free(mp) ((void)0)
# define xchk_stats_register(cs, parent) ((void)0)
# define xchk_stats_unregister(cs) ((void)0)
# define xchk_stats_now() (0)
# define xchk_stats_elapsed_ns(x) (0 * (x))
# define xchk_stats_merge(mp, sm, run) ((void)0)
#endif /* CONFIG_XFS_ONLINE_SCRUB_STATS */
#endif /* __XFS_SCRUB_STATS_H__ */
|
