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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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66e3237e72
Only certain functions actually change the contents of an xfs_owner_info; the rest can accept a const struct pointer. This will enable us to save stack space by hoisting static owner info types to be const global variables. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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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 xrep_notsupported(struct xfs_scrub *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 xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc, bool *fixed);
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void xrep_failure(struct xfs_mount *mp);
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int xrep_roll_ag_trans(struct xfs_scrub *sc);
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bool xrep_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 xrep_calc_ag_resblks(struct xfs_scrub *sc);
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int xrep_alloc_ag_block(struct xfs_scrub *sc,
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const struct xfs_owner_info *oinfo, xfs_fsblock_t *fsbno,
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enum xfs_ag_resv_type resv);
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int xrep_init_btblock(struct xfs_scrub *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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struct xfs_bitmap;
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int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink);
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int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xfs_bitmap *btlist);
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int xrep_reap_extents(struct xfs_scrub *sc, struct xfs_bitmap *exlist,
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const struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type);
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struct xrep_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 xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp,
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struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp);
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void xrep_force_quotacheck(struct xfs_scrub *sc, uint dqtype);
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int xrep_ino_dqattach(struct xfs_scrub *sc);
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/* Metadata repairers */
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int xrep_probe(struct xfs_scrub *sc);
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int xrep_superblock(struct xfs_scrub *sc);
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int xrep_agf(struct xfs_scrub *sc);
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int xrep_agfl(struct xfs_scrub *sc);
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int xrep_agi(struct xfs_scrub *sc);
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#else
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static inline int xrep_attempt(
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struct xfs_inode *ip,
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struct xfs_scrub *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 xrep_failure(struct xfs_mount *mp) {}
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static inline xfs_extlen_t
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xrep_calc_ag_resblks(
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struct xfs_scrub *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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#define xrep_probe xrep_notsupported
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#define xrep_superblock xrep_notsupported
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#define xrep_agf xrep_notsupported
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#define xrep_agfl xrep_notsupported
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#define xrep_agi xrep_notsupported
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#endif /* CONFIG_XFS_ONLINE_REPAIR */
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#endif /* __XFS_SCRUB_REPAIR_H__ */
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