From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- fs/xfs/scrub/stats.h | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 fs/xfs/scrub/stats.h (limited to 'fs/xfs/scrub/stats.h') diff --git a/fs/xfs/scrub/stats.h b/fs/xfs/scrub/stats.h new file mode 100644 index 0000000000..b358ad8d8b --- /dev/null +++ b/fs/xfs/scrub/stats.h @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2023 Oracle. All Rights Reserved. + * Author: Darrick J. Wong + */ +#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__ */ -- cgit v1.2.3