1 // SPDX-License-Identifier: GPL-2.0-or-later 1
2 /*
3 * Copyright (C) 2023 Oracle. All Rights Rese
4 * Author: Darrick J. Wong <djwong@kernel.org>
5 */
6 #ifndef __XFS_SCRUB_STATS_H__
7 #define __XFS_SCRUB_STATS_H__
8
9 struct xchk_stats_run {
10 u64 scrub_ns;
11 u64 repair_ns;
12 unsigned int retries;
13 bool repair_attempt
14 bool repair_succeed
15 };
16
17 #ifdef CONFIG_XFS_ONLINE_SCRUB_STATS
18 struct xchk_stats;
19
20 int __init xchk_global_stats_setup(struct dent
21 void xchk_global_stats_teardown(void);
22
23 int xchk_mount_stats_alloc(struct xfs_mount *m
24 void xchk_mount_stats_free(struct xfs_mount *m
25
26 void xchk_stats_register(struct xchk_stats *cs
27 void xchk_stats_unregister(struct xchk_stats *
28
29 void xchk_stats_merge(struct xfs_mount *mp, co
30 const struct xchk_stats_run *r
31
32 static inline u64 xchk_stats_now(void) { retur
33 static inline u64 xchk_stats_elapsed_ns(u64 si
34 {
35 u64 now = xchk_stats_now();
36
37 /*
38 * If the system doesn't have a high e
39 * least one nanosecond so that our st
40 * runtimes.
41 */
42 if (now == since)
43 return 1;
44
45 return now - since;
46 }
47 #else
48 # define xchk_global_stats_setup(parent)
49 # define xchk_global_stats_teardown()
50 # define xchk_mount_stats_alloc(mp)
51 # define xchk_mount_stats_free(mp)
52 # define xchk_stats_register(cs, parent)
53 # define xchk_stats_unregister(cs)
54 # define xchk_stats_now()
55 # define xchk_stats_elapsed_ns(x)
56 # define xchk_stats_merge(mp, sm, run)
57 #endif /* CONFIG_XFS_ONLINE_SCRUB_STATS */
58
59 #endif /* __XFS_SCRUB_STATS_H__ */
60
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