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