| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2017 Oracle. All Rights Reserved. |
| 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| 5 | */ |
| 6 | #ifndef __XFS_SCRUB_COMMON_H__ |
| 7 | #define __XFS_SCRUB_COMMON_H__ |
| 8 | |
| 9 | /* |
| 10 | * We /could/ terminate a scrub/repair operation early. If we're not |
| 11 | * in a good place to continue (fatal signal, etc.) then bail out. |
| 12 | * Note that we're careful not to make any judgements about *error. |
| 13 | */ |
| 14 | static inline bool |
| 15 | xchk_should_terminate( |
| 16 | struct xfs_scrub *sc, |
| 17 | int *error) |
| 18 | { |
| 19 | if (fatal_signal_pending(current)) { |
| 20 | if (*error == 0) |
| 21 | *error = -EAGAIN; |
| 22 | return true; |
| 23 | } |
| 24 | return false; |
| 25 | } |
| 26 | |
| 27 | int xchk_trans_alloc(struct xfs_scrub *sc, uint resblks); |
| 28 | bool xchk_process_error(struct xfs_scrub *sc, xfs_agnumber_t agno, |
| 29 | xfs_agblock_t bno, int *error); |
| 30 | bool xchk_fblock_process_error(struct xfs_scrub *sc, int whichfork, |
| 31 | xfs_fileoff_t offset, int *error); |
| 32 | |
| 33 | bool xchk_xref_process_error(struct xfs_scrub *sc, |
| 34 | xfs_agnumber_t agno, xfs_agblock_t bno, int *error); |
| 35 | bool xchk_fblock_xref_process_error(struct xfs_scrub *sc, |
| 36 | int whichfork, xfs_fileoff_t offset, int *error); |
| 37 | |
| 38 | void xchk_block_set_preen(struct xfs_scrub *sc, |
| 39 | struct xfs_buf *bp); |
| 40 | void xchk_ino_set_preen(struct xfs_scrub *sc, xfs_ino_t ino); |
| 41 | |
| 42 | void xchk_block_set_corrupt(struct xfs_scrub *sc, |
| 43 | struct xfs_buf *bp); |
| 44 | void xchk_ino_set_corrupt(struct xfs_scrub *sc, xfs_ino_t ino); |
| 45 | void xchk_fblock_set_corrupt(struct xfs_scrub *sc, int whichfork, |
| 46 | xfs_fileoff_t offset); |
| 47 | |
| 48 | void xchk_block_xref_set_corrupt(struct xfs_scrub *sc, |
| 49 | struct xfs_buf *bp); |
| 50 | void xchk_ino_xref_set_corrupt(struct xfs_scrub *sc, |
| 51 | xfs_ino_t ino); |
| 52 | void xchk_fblock_xref_set_corrupt(struct xfs_scrub *sc, |
| 53 | int whichfork, xfs_fileoff_t offset); |
| 54 | |
| 55 | void xchk_ino_set_warning(struct xfs_scrub *sc, xfs_ino_t ino); |
| 56 | void xchk_fblock_set_warning(struct xfs_scrub *sc, int whichfork, |
| 57 | xfs_fileoff_t offset); |
| 58 | |
| 59 | void xchk_set_incomplete(struct xfs_scrub *sc); |
| 60 | int xchk_checkpoint_log(struct xfs_mount *mp); |
| 61 | |
| 62 | /* Are we set up for a cross-referencing check? */ |
| 63 | bool xchk_should_check_xref(struct xfs_scrub *sc, int *error, |
| 64 | struct xfs_btree_cur **curpp); |
| 65 | |
| 66 | /* Setup functions */ |
| 67 | int xchk_setup_fs(struct xfs_scrub *sc, struct xfs_inode *ip); |
| 68 | int xchk_setup_ag_allocbt(struct xfs_scrub *sc, |
| 69 | struct xfs_inode *ip); |
| 70 | int xchk_setup_ag_iallocbt(struct xfs_scrub *sc, |
| 71 | struct xfs_inode *ip); |
| 72 | int xchk_setup_ag_rmapbt(struct xfs_scrub *sc, |
| 73 | struct xfs_inode *ip); |
| 74 | int xchk_setup_ag_refcountbt(struct xfs_scrub *sc, |
| 75 | struct xfs_inode *ip); |
| 76 | int xchk_setup_inode(struct xfs_scrub *sc, |
| 77 | struct xfs_inode *ip); |
| 78 | int xchk_setup_inode_bmap(struct xfs_scrub *sc, |
| 79 | struct xfs_inode *ip); |
| 80 | int xchk_setup_inode_bmap_data(struct xfs_scrub *sc, |
| 81 | struct xfs_inode *ip); |
| 82 | int xchk_setup_directory(struct xfs_scrub *sc, |
| 83 | struct xfs_inode *ip); |
| 84 | int xchk_setup_xattr(struct xfs_scrub *sc, |
| 85 | struct xfs_inode *ip); |
| 86 | int xchk_setup_symlink(struct xfs_scrub *sc, |
| 87 | struct xfs_inode *ip); |
| 88 | int xchk_setup_parent(struct xfs_scrub *sc, |
| 89 | struct xfs_inode *ip); |
| 90 | #ifdef CONFIG_XFS_RT |
| 91 | int xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip); |
| 92 | #else |
| 93 | static inline int |
| 94 | xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip) |
| 95 | { |
| 96 | return -ENOENT; |
| 97 | } |
| 98 | #endif |
| 99 | #ifdef CONFIG_XFS_QUOTA |
| 100 | int xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip); |
| 101 | #else |
| 102 | static inline int |
| 103 | xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip) |
| 104 | { |
| 105 | return -ENOENT; |
| 106 | } |
| 107 | #endif |
| 108 | |
| 109 | void xchk_ag_free(struct xfs_scrub *sc, struct xchk_ag *sa); |
| 110 | int xchk_ag_init(struct xfs_scrub *sc, xfs_agnumber_t agno, |
| 111 | struct xchk_ag *sa); |
| 112 | void xchk_perag_get(struct xfs_mount *mp, struct xchk_ag *sa); |
| 113 | int xchk_ag_read_headers(struct xfs_scrub *sc, xfs_agnumber_t agno, |
| 114 | struct xfs_buf **agi, struct xfs_buf **agf, |
| 115 | struct xfs_buf **agfl); |
| 116 | void xchk_ag_btcur_free(struct xchk_ag *sa); |
| 117 | int xchk_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); |
| 118 | int xchk_count_rmap_ownedby_ag(struct xfs_scrub *sc, struct xfs_btree_cur *cur, |
| 119 | struct xfs_owner_info *oinfo, xfs_filblks_t *blocks); |
| 120 | |
| 121 | int xchk_setup_ag_btree(struct xfs_scrub *sc, struct xfs_inode *ip, |
| 122 | bool force_log); |
| 123 | int xchk_get_inode(struct xfs_scrub *sc, struct xfs_inode *ip_in); |
| 124 | int xchk_setup_inode_contents(struct xfs_scrub *sc, struct xfs_inode *ip, |
| 125 | unsigned int resblks); |
| 126 | void xchk_buffer_recheck(struct xfs_scrub *sc, struct xfs_buf *bp); |
| 127 | |
| 128 | /* |
| 129 | * Don't bother cross-referencing if we already found corruption or cross |
| 130 | * referencing discrepancies. |
| 131 | */ |
| 132 | static inline bool xchk_skip_xref(struct xfs_scrub_metadata *sm) |
| 133 | { |
| 134 | return sm->sm_flags & (XFS_SCRUB_OFLAG_CORRUPT | |
| 135 | XFS_SCRUB_OFLAG_XCORRUPT); |
| 136 | } |
| 137 | |
| 138 | int xchk_metadata_inode_forks(struct xfs_scrub *sc); |
| 139 | int xchk_ilock_inverted(struct xfs_inode *ip, uint lock_mode); |
| 140 | |
| 141 | #endif /* __XFS_SCRUB_COMMON_H__ */ |