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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) 2020-2024 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <djwong@kernel.org>
*/
#ifndef __XFS_SCRUB_QUOTACHECK_H__
#define __XFS_SCRUB_QUOTACHECK_H__
/* Quota counters for live quotacheck. */
struct xqcheck_dquot {
/* block usage count */
int64_t bcount;
/* inode usage count */
int64_t icount;
/* realtime block usage count */
int64_t rtbcount;
/* Record state */
unsigned int flags;
};
/*
* This incore dquot record has been written at least once. We never want to
* store an xqcheck_dquot that looks uninitialized.
*/
#define XQCHECK_DQUOT_WRITTEN (1U << 0)
/* Already checked this dquot. */
#define XQCHECK_DQUOT_COMPARE_SCANNED (1U << 1)
/* Already repaired this dquot. */
#define XQCHECK_DQUOT_REPAIR_SCANNED (1U << 2)
/* Live quotacheck control structure. */
struct xqcheck {
struct xfs_scrub *sc;
/* Shadow dquot counter data. */
struct xfarray *ucounts;
struct xfarray *gcounts;
struct xfarray *pcounts;
/* Lock protecting quotacheck count observations */
struct mutex lock;
struct xchk_iscan iscan;
/* Hooks into the quota code. */
struct xfs_dqtrx_hook qhook;
/* Shadow quota delta tracking structure. */
struct rhashtable shadow_dquot_acct;
};
/* Return the incore counter array for a given quota type. */
static inline struct xfarray *
xqcheck_counters_for(
struct xqcheck *xqc,
xfs_dqtype_t dqtype)
{
switch (dqtype) {
case XFS_DQTYPE_USER:
return xqc->ucounts;
case XFS_DQTYPE_GROUP:
return xqc->gcounts;
case XFS_DQTYPE_PROJ:
return xqc->pcounts;
}
ASSERT(0);
return NULL;
}
#endif /* __XFS_SCRUB_QUOTACHECK_H__ */
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