60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
|
// 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__ */
|