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_set_corrupt(struct xfs_scrub *sc); 43 void xchk_block_set_corrupt(struct xfs_scrub *sc, 44 struct xfs_buf *bp); 45 void xchk_ino_set_corrupt(struct xfs_scrub *sc, xfs_ino_t ino); 46 void xchk_fblock_set_corrupt(struct xfs_scrub *sc, int whichfork, 47 xfs_fileoff_t offset); 48 49 void xchk_block_xref_set_corrupt(struct xfs_scrub *sc, 50 struct xfs_buf *bp); 51 void xchk_ino_xref_set_corrupt(struct xfs_scrub *sc, 52 xfs_ino_t ino); 53 void xchk_fblock_xref_set_corrupt(struct xfs_scrub *sc, 54 int whichfork, xfs_fileoff_t offset); 55 56 void xchk_ino_set_warning(struct xfs_scrub *sc, xfs_ino_t ino); 57 void xchk_fblock_set_warning(struct xfs_scrub *sc, int whichfork, 58 xfs_fileoff_t offset); 59 60 void xchk_set_incomplete(struct xfs_scrub *sc); 61 int xchk_checkpoint_log(struct xfs_mount *mp); 62 63 /* Are we set up for a cross-referencing check? */ 64 bool xchk_should_check_xref(struct xfs_scrub *sc, int *error, 65 struct xfs_btree_cur **curpp); 66 67 /* Setup functions */ 68 int xchk_setup_fs(struct xfs_scrub *sc, struct xfs_inode *ip); 69 int xchk_setup_ag_allocbt(struct xfs_scrub *sc, 70 struct xfs_inode *ip); 71 int xchk_setup_ag_iallocbt(struct xfs_scrub *sc, 72 struct xfs_inode *ip); 73 int xchk_setup_ag_rmapbt(struct xfs_scrub *sc, 74 struct xfs_inode *ip); 75 int xchk_setup_ag_refcountbt(struct xfs_scrub *sc, 76 struct xfs_inode *ip); 77 int xchk_setup_inode(struct xfs_scrub *sc, 78 struct xfs_inode *ip); 79 int xchk_setup_inode_bmap(struct xfs_scrub *sc, 80 struct xfs_inode *ip); 81 int xchk_setup_inode_bmap_data(struct xfs_scrub *sc, 82 struct xfs_inode *ip); 83 int xchk_setup_directory(struct xfs_scrub *sc, 84 struct xfs_inode *ip); 85 int xchk_setup_xattr(struct xfs_scrub *sc, 86 struct xfs_inode *ip); 87 int xchk_setup_symlink(struct xfs_scrub *sc, 88 struct xfs_inode *ip); 89 int xchk_setup_parent(struct xfs_scrub *sc, 90 struct xfs_inode *ip); 91 #ifdef CONFIG_XFS_RT 92 int xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip); 93 #else 94 static inline int 95 xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip) 96 { 97 return -ENOENT; 98 } 99 #endif 100 #ifdef CONFIG_XFS_QUOTA 101 int xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip); 102 #else 103 static inline int 104 xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip) 105 { 106 return -ENOENT; 107 } 108 #endif 109 int xchk_setup_fscounters(struct xfs_scrub *sc, struct xfs_inode *ip); 110 111 void xchk_ag_free(struct xfs_scrub *sc, struct xchk_ag *sa); 112 int xchk_ag_init(struct xfs_scrub *sc, xfs_agnumber_t agno, 113 struct xchk_ag *sa); 114 void xchk_perag_get(struct xfs_mount *mp, struct xchk_ag *sa); 115 int xchk_ag_read_headers(struct xfs_scrub *sc, xfs_agnumber_t agno, 116 struct xfs_buf **agi, struct xfs_buf **agf, 117 struct xfs_buf **agfl); 118 void xchk_ag_btcur_free(struct xchk_ag *sa); 119 int xchk_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 120 int xchk_count_rmap_ownedby_ag(struct xfs_scrub *sc, struct xfs_btree_cur *cur, 121 const struct xfs_owner_info *oinfo, xfs_filblks_t *blocks); 122 123 int xchk_setup_ag_btree(struct xfs_scrub *sc, struct xfs_inode *ip, 124 bool force_log); 125 int xchk_get_inode(struct xfs_scrub *sc, struct xfs_inode *ip_in); 126 int xchk_setup_inode_contents(struct xfs_scrub *sc, struct xfs_inode *ip, 127 unsigned int resblks); 128 void xchk_buffer_recheck(struct xfs_scrub *sc, struct xfs_buf *bp); 129 130 /* 131 * Don't bother cross-referencing if we already found corruption or cross 132 * referencing discrepancies. 133 */ 134 static inline bool xchk_skip_xref(struct xfs_scrub_metadata *sm) 135 { 136 return sm->sm_flags & (XFS_SCRUB_OFLAG_CORRUPT | 137 XFS_SCRUB_OFLAG_XCORRUPT); 138 } 139 140 int xchk_metadata_inode_forks(struct xfs_scrub *sc); 141 int xchk_ilock_inverted(struct xfs_inode *ip, uint lock_mode); 142 void xchk_stop_reaping(struct xfs_scrub *sc); 143 void xchk_start_reaping(struct xfs_scrub *sc); 144 145 #endif /* __XFS_SCRUB_COMMON_H__ */ 146