projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| dcb660f9 DW |
1 | /* |
| 2 | * Copyright (C) 2017 Oracle. All Rights Reserved. | |
| 3 | * | |
| 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version 2 | |
| 9 | * of the License, or (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it would be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write the Free Software Foundation, | |
| 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 19 | */ | |
| 20 | #ifndef __XFS_SCRUB_COMMON_H__ | |
| 21 | #define __XFS_SCRUB_COMMON_H__ | |
| 22 | ||
| 23 | /* | |
| 24 | * We /could/ terminate a scrub/repair operation early. If we're not | |
| 25 | * in a good place to continue (fatal signal, etc.) then bail out. | |
| 26 | * Note that we're careful not to make any judgements about *error. | |
| 27 | */ | |
| 28 | static inline bool | |
| 29 | xfs_scrub_should_terminate( | |
| 30 | struct xfs_scrub_context *sc, | |
| 31 | int *error) | |
| 32 | { | |
| 33 | if (fatal_signal_pending(current)) { | |
| 34 | if (*error == 0) | |
| 35 | *error = -EAGAIN; | |
| 36 | return true; | |
| 37 | } | |
| 38 | return false; | |
| 39 | } | |
| 40 | ||
| 41 | /* | |
| 42 | * Grab an empty transaction so that we can re-grab locked buffers if | |
| 43 | * one of our btrees turns out to be cyclic. | |
| 44 | */ | |
| 45 | static inline int | |
| 46 | xfs_scrub_trans_alloc( | |
| 47 | struct xfs_scrub_metadata *sm, | |
| 48 | struct xfs_mount *mp, | |
| 49 | struct xfs_trans **tpp) | |
| 50 | { | |
| 51 | return xfs_trans_alloc_empty(mp, tpp); | |
| 52 | } | |
| 53 | ||
| 4700d229 DW |
54 | bool xfs_scrub_process_error(struct xfs_scrub_context *sc, xfs_agnumber_t agno, |
| 55 | xfs_agblock_t bno, int *error); | |
| 56 | bool xfs_scrub_fblock_process_error(struct xfs_scrub_context *sc, int whichfork, | |
| 57 | xfs_fileoff_t offset, int *error); | |
| 58 | ||
| 59 | void xfs_scrub_block_set_preen(struct xfs_scrub_context *sc, | |
| 60 | struct xfs_buf *bp); | |
| 61 | void xfs_scrub_ino_set_preen(struct xfs_scrub_context *sc, struct xfs_buf *bp); | |
| 62 | ||
| 63 | void xfs_scrub_block_set_corrupt(struct xfs_scrub_context *sc, | |
| 64 | struct xfs_buf *bp); | |
| 65 | void xfs_scrub_ino_set_corrupt(struct xfs_scrub_context *sc, xfs_ino_t ino, | |
| 66 | struct xfs_buf *bp); | |
| 67 | void xfs_scrub_fblock_set_corrupt(struct xfs_scrub_context *sc, int whichfork, | |
| 68 | xfs_fileoff_t offset); | |
| 69 | ||
| 70 | void xfs_scrub_ino_set_warning(struct xfs_scrub_context *sc, | |
| 71 | struct xfs_buf *bp); | |
| 72 | void xfs_scrub_fblock_set_warning(struct xfs_scrub_context *sc, int whichfork, | |
| 73 | xfs_fileoff_t offset); | |
| 74 | ||
| 75 | void xfs_scrub_set_incomplete(struct xfs_scrub_context *sc); | |
| 76 | ||
| dcb660f9 DW |
77 | /* Setup functions */ |
| 78 | int xfs_scrub_setup_fs(struct xfs_scrub_context *sc, struct xfs_inode *ip); | |
| 79 | ||
| b6c1beb9 DW |
80 | void xfs_scrub_ag_free(struct xfs_scrub_context *sc, struct xfs_scrub_ag *sa); |
| 81 | int xfs_scrub_ag_init(struct xfs_scrub_context *sc, xfs_agnumber_t agno, | |
| 82 | struct xfs_scrub_ag *sa); | |
| 83 | int xfs_scrub_ag_read_headers(struct xfs_scrub_context *sc, xfs_agnumber_t agno, | |
| 84 | struct xfs_buf **agi, struct xfs_buf **agf, | |
| 85 | struct xfs_buf **agfl); | |
| 86 | void xfs_scrub_ag_btcur_free(struct xfs_scrub_ag *sa); | |
| 87 | int xfs_scrub_ag_btcur_init(struct xfs_scrub_context *sc, | |
| 88 | struct xfs_scrub_ag *sa); | |
| 89 | ||
| dcb660f9 | 90 | #endif /* __XFS_SCRUB_COMMON_H__ */ |