2018-06-06 02:42:14 +00:00
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// SPDX-License-Identifier: GPL-2.0+
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2017-10-18 04:37:34 +00:00
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/*
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* Copyright (C) 2017 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*/
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#ifndef __XFS_SCRUB_SCRUB_H__
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#define __XFS_SCRUB_SCRUB_H__
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2017-10-18 04:37:35 +00:00
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struct xfs_scrub_context;
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2018-01-08 18:41:34 +00:00
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/* Type info and names for the scrub types. */
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enum xfs_scrub_type {
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ST_NONE = 1, /* disabled */
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ST_PERAG, /* per-AG metadata */
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ST_FS, /* per-FS metadata */
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ST_INODE, /* per-inode metadata */
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};
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2017-10-18 04:37:35 +00:00
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struct xfs_scrub_meta_ops {
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/* Acquire whatever resources are needed for the operation. */
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int (*setup)(struct xfs_scrub_context *,
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struct xfs_inode *);
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/* Examine metadata for errors. */
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int (*scrub)(struct xfs_scrub_context *);
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2018-05-14 13:34:36 +00:00
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/* Repair or optimize the metadata. */
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int (*repair)(struct xfs_scrub_context *);
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2017-10-18 04:37:35 +00:00
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/* Decide if we even have this piece of metadata. */
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bool (*has)(struct xfs_sb *);
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2018-01-08 18:41:34 +00:00
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/* type describing required/allowed inputs */
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enum xfs_scrub_type type;
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2017-10-18 04:37:35 +00:00
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};
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2017-10-18 04:37:38 +00:00
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/* Buffer pointers and btree cursors for an entire AG. */
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struct xfs_scrub_ag {
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xfs_agnumber_t agno;
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2018-05-30 05:24:44 +00:00
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struct xfs_perag *pag;
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2017-10-18 04:37:38 +00:00
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/* AG btree roots */
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struct xfs_buf *agf_bp;
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struct xfs_buf *agfl_bp;
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struct xfs_buf *agi_bp;
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/* AG btrees */
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struct xfs_btree_cur *bno_cur;
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struct xfs_btree_cur *cnt_cur;
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struct xfs_btree_cur *ino_cur;
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struct xfs_btree_cur *fino_cur;
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struct xfs_btree_cur *rmap_cur;
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struct xfs_btree_cur *refc_cur;
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};
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2017-10-18 04:37:35 +00:00
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struct xfs_scrub_context {
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/* General scrub state. */
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struct xfs_mount *mp;
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struct xfs_scrub_metadata *sm;
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const struct xfs_scrub_meta_ops *ops;
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struct xfs_trans *tp;
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struct xfs_inode *ip;
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2017-10-18 04:37:45 +00:00
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void *buf;
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2017-10-18 04:37:42 +00:00
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uint ilock_flags;
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2017-10-18 04:37:35 +00:00
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bool try_harder;
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2018-05-09 17:02:00 +00:00
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bool has_quotaofflock;
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2017-10-18 04:37:38 +00:00
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/* State tracking for single-AG operations. */
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struct xfs_scrub_ag sa;
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2017-10-18 04:37:35 +00:00
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};
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2017-10-18 04:37:34 +00:00
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/* Metadata scrubbers */
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2017-10-18 04:37:36 +00:00
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int xfs_scrub_tester(struct xfs_scrub_context *sc);
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2017-10-18 04:37:38 +00:00
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int xfs_scrub_superblock(struct xfs_scrub_context *sc);
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2017-10-18 04:37:39 +00:00
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int xfs_scrub_agf(struct xfs_scrub_context *sc);
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int xfs_scrub_agfl(struct xfs_scrub_context *sc);
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2017-10-18 04:37:39 +00:00
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int xfs_scrub_agi(struct xfs_scrub_context *sc);
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2017-10-18 04:37:40 +00:00
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int xfs_scrub_bnobt(struct xfs_scrub_context *sc);
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int xfs_scrub_cntbt(struct xfs_scrub_context *sc);
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2017-10-18 04:37:40 +00:00
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int xfs_scrub_inobt(struct xfs_scrub_context *sc);
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int xfs_scrub_finobt(struct xfs_scrub_context *sc);
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2017-10-18 04:37:41 +00:00
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int xfs_scrub_rmapbt(struct xfs_scrub_context *sc);
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2017-10-18 04:37:41 +00:00
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int xfs_scrub_refcountbt(struct xfs_scrub_context *sc);
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2017-10-18 04:37:42 +00:00
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int xfs_scrub_inode(struct xfs_scrub_context *sc);
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2017-10-18 04:37:43 +00:00
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int xfs_scrub_bmap_data(struct xfs_scrub_context *sc);
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int xfs_scrub_bmap_attr(struct xfs_scrub_context *sc);
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int xfs_scrub_bmap_cow(struct xfs_scrub_context *sc);
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2017-10-18 04:37:44 +00:00
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int xfs_scrub_directory(struct xfs_scrub_context *sc);
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2017-10-18 04:37:45 +00:00
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int xfs_scrub_xattr(struct xfs_scrub_context *sc);
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2017-10-18 04:37:45 +00:00
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int xfs_scrub_symlink(struct xfs_scrub_context *sc);
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2017-10-18 04:37:46 +00:00
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int xfs_scrub_parent(struct xfs_scrub_context *sc);
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2017-10-18 04:37:46 +00:00
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#ifdef CONFIG_XFS_RT
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int xfs_scrub_rtbitmap(struct xfs_scrub_context *sc);
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int xfs_scrub_rtsummary(struct xfs_scrub_context *sc);
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#else
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static inline int
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xfs_scrub_rtbitmap(struct xfs_scrub_context *sc)
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{
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return -ENOENT;
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}
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static inline int
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xfs_scrub_rtsummary(struct xfs_scrub_context *sc)
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{
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return -ENOENT;
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}
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#endif
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2017-10-18 04:37:47 +00:00
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#ifdef CONFIG_XFS_QUOTA
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int xfs_scrub_quota(struct xfs_scrub_context *sc);
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#else
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static inline int
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xfs_scrub_quota(struct xfs_scrub_context *sc)
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{
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return -ENOENT;
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}
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#endif
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2017-10-18 04:37:34 +00:00
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2018-01-17 02:53:06 +00:00
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/* cross-referencing helpers */
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void xfs_scrub_xref_is_used_space(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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2018-01-17 02:53:07 +00:00
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void xfs_scrub_xref_is_not_inode_chunk(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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void xfs_scrub_xref_is_inode_chunk(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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2018-01-17 02:53:08 +00:00
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void xfs_scrub_xref_is_owned_by(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len,
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struct xfs_owner_info *oinfo);
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void xfs_scrub_xref_is_not_owned_by(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len,
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struct xfs_owner_info *oinfo);
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void xfs_scrub_xref_has_no_owner(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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2018-01-17 02:53:09 +00:00
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void xfs_scrub_xref_is_cow_staging(struct xfs_scrub_context *sc,
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xfs_agblock_t bno, xfs_extlen_t len);
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void xfs_scrub_xref_is_not_shared(struct xfs_scrub_context *sc,
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xfs_agblock_t bno, xfs_extlen_t len);
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2018-01-17 02:53:10 +00:00
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#ifdef CONFIG_XFS_RT
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void xfs_scrub_xref_is_used_rt_space(struct xfs_scrub_context *sc,
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xfs_rtblock_t rtbno, xfs_extlen_t len);
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#else
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# define xfs_scrub_xref_is_used_rt_space(sc, rtbno, len) do { } while (0)
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#endif
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2018-01-17 02:53:06 +00:00
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2017-10-18 04:37:34 +00:00
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#endif /* __XFS_SCRUB_SCRUB_H__ */
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