2018-06-06 10:42:14 +08:00
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// SPDX-License-Identifier: GPL-2.0+
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2018-05-14 21:34:36 +08:00
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/*
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* Copyright (C) 2018 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_REPAIR_H__
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#define __XFS_SCRUB_REPAIR_H__
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static inline int xfs_repair_notsupported(struct xfs_scrub_context *sc)
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{
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return -EOPNOTSUPP;
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}
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#ifdef CONFIG_XFS_ONLINE_REPAIR
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/* Repair helpers */
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int xfs_repair_attempt(struct xfs_inode *ip, struct xfs_scrub_context *sc,
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bool *fixed);
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void xfs_repair_failure(struct xfs_mount *mp);
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2018-05-30 13:18:08 +08:00
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int xfs_repair_roll_ag_trans(struct xfs_scrub_context *sc);
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bool xfs_repair_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
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enum xfs_ag_resv_type type);
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xfs_extlen_t xfs_repair_calc_ag_resblks(struct xfs_scrub_context *sc);
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2018-05-30 13:18:09 +08:00
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int xfs_repair_alloc_ag_block(struct xfs_scrub_context *sc,
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struct xfs_owner_info *oinfo, xfs_fsblock_t *fsbno,
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enum xfs_ag_resv_type resv);
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int xfs_repair_init_btblock(struct xfs_scrub_context *sc, xfs_fsblock_t fsb,
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struct xfs_buf **bpp, xfs_btnum_t btnum,
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const struct xfs_buf_ops *ops);
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2018-05-14 21:34:36 +08:00
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2018-05-30 13:18:09 +08:00
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struct xfs_repair_extent {
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struct list_head list;
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xfs_fsblock_t fsbno;
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xfs_extlen_t len;
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};
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struct xfs_repair_extent_list {
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struct list_head list;
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};
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static inline void
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xfs_repair_init_extent_list(
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struct xfs_repair_extent_list *exlist)
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{
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INIT_LIST_HEAD(&exlist->list);
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}
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#define for_each_xfs_repair_extent_safe(rbe, n, exlist) \
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list_for_each_entry_safe((rbe), (n), &(exlist)->list, list)
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int xfs_repair_collect_btree_extent(struct xfs_scrub_context *sc,
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struct xfs_repair_extent_list *btlist, xfs_fsblock_t fsbno,
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xfs_extlen_t len);
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void xfs_repair_cancel_btree_extents(struct xfs_scrub_context *sc,
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struct xfs_repair_extent_list *btlist);
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int xfs_repair_subtract_extents(struct xfs_scrub_context *sc,
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struct xfs_repair_extent_list *exlist,
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struct xfs_repair_extent_list *sublist);
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2018-05-30 13:18:10 +08:00
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int xfs_repair_fix_freelist(struct xfs_scrub_context *sc, bool can_shrink);
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int xfs_repair_invalidate_blocks(struct xfs_scrub_context *sc,
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struct xfs_repair_extent_list *btlist);
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int xfs_repair_reap_btree_extents(struct xfs_scrub_context *sc,
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struct xfs_repair_extent_list *exlist,
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struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type);
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2018-05-30 13:18:09 +08:00
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2018-05-30 13:18:10 +08:00
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struct xfs_repair_find_ag_btree {
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/* in: rmap owner of the btree we're looking for */
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uint64_t rmap_owner;
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/* in: buffer ops */
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const struct xfs_buf_ops *buf_ops;
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/* in: magic number of the btree */
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uint32_t magic;
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/* out: the highest btree block found and the tree height */
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xfs_agblock_t root;
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unsigned int height;
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};
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int xfs_repair_find_ag_btree_roots(struct xfs_scrub_context *sc,
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struct xfs_buf *agf_bp,
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struct xfs_repair_find_ag_btree *btree_info,
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struct xfs_buf *agfl_bp);
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2018-05-30 13:18:11 +08:00
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void xfs_repair_force_quotacheck(struct xfs_scrub_context *sc, uint dqtype);
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int xfs_repair_ino_dqattach(struct xfs_scrub_context *sc);
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2018-05-30 13:18:10 +08:00
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2018-05-14 21:34:36 +08:00
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/* Metadata repairers */
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int xfs_repair_probe(struct xfs_scrub_context *sc);
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2018-05-30 13:18:12 +08:00
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int xfs_repair_superblock(struct xfs_scrub_context *sc);
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2018-05-14 21:34:36 +08:00
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#else
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static inline int xfs_repair_attempt(
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struct xfs_inode *ip,
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struct xfs_scrub_context *sc,
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bool *fixed)
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{
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return -EOPNOTSUPP;
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}
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static inline void xfs_repair_failure(struct xfs_mount *mp) {}
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2018-05-30 13:18:08 +08:00
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static inline xfs_extlen_t
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xfs_repair_calc_ag_resblks(
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struct xfs_scrub_context *sc)
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{
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ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR));
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return 0;
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}
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2018-05-14 21:34:36 +08:00
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#define xfs_repair_probe xfs_repair_notsupported
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2018-05-30 13:18:12 +08:00
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#define xfs_repair_superblock xfs_repair_notsupported
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2018-05-14 21:34:36 +08:00
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#endif /* CONFIG_XFS_ONLINE_REPAIR */
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#endif /* __XFS_SCRUB_REPAIR_H__ */
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