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 const 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__ */ 142