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gerrit-public.fairphone.software / kernel / msm-5.4 / 2da2ca24a38f0200111e3b8823c08d02cb59d362 / . / fs / xfs / scrub / common.h
blob: 2172bd5361e27ffa3e46a94297167a8e3007d8c0 [file] [log] [blame]
Dave Chinner0b61f8a2018-06-05 19:42:14 -0700[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]2/*
3 * Copyright (C) 2017 Oracle. All Rights Reserved.
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]4 * Author: Darrick J. Wong <darrick.wong@oracle.com>
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]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 */
14static inline bool
15xfs_scrub_should_terminate(
16 struct xfs_scrub_context *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
Darrick J. Wong0a9633f2018-05-29 22:18:08 -0700[diff] [blame]27int xfs_scrub_trans_alloc(struct xfs_scrub_context *sc, uint resblks);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]28bool xfs_scrub_process_error(struct xfs_scrub_context *sc, xfs_agnumber_t agno,
29 xfs_agblock_t bno, int *error);
30bool xfs_scrub_fblock_process_error(struct xfs_scrub_context *sc, int whichfork,
31 xfs_fileoff_t offset, int *error);
32
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]33bool xfs_scrub_xref_process_error(struct xfs_scrub_context *sc,
34 xfs_agnumber_t agno, xfs_agblock_t bno, int *error);
35bool xfs_scrub_fblock_xref_process_error(struct xfs_scrub_context *sc,
36 int whichfork, xfs_fileoff_t offset, int *error);
37
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]38void xfs_scrub_block_set_preen(struct xfs_scrub_context *sc,
39 struct xfs_buf *bp);
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]40void xfs_scrub_ino_set_preen(struct xfs_scrub_context *sc, xfs_ino_t ino);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]41
42void xfs_scrub_block_set_corrupt(struct xfs_scrub_context *sc,
43 struct xfs_buf *bp);
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]44void xfs_scrub_ino_set_corrupt(struct xfs_scrub_context *sc, xfs_ino_t ino);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]45void xfs_scrub_fblock_set_corrupt(struct xfs_scrub_context *sc, int whichfork,
46 xfs_fileoff_t offset);
47
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]48void xfs_scrub_block_xref_set_corrupt(struct xfs_scrub_context *sc,
49 struct xfs_buf *bp);
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]50void xfs_scrub_ino_xref_set_corrupt(struct xfs_scrub_context *sc,
51 xfs_ino_t ino);
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]52void xfs_scrub_fblock_xref_set_corrupt(struct xfs_scrub_context *sc,
53 int whichfork, xfs_fileoff_t offset);
54
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]55void xfs_scrub_ino_set_warning(struct xfs_scrub_context *sc, xfs_ino_t ino);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]56void xfs_scrub_fblock_set_warning(struct xfs_scrub_context *sc, int whichfork,
57 xfs_fileoff_t offset);
58
59void xfs_scrub_set_incomplete(struct xfs_scrub_context *sc);
Darrick J. Wong3daa6642017-10-17 21:37:40 -0700[diff] [blame]60int xfs_scrub_checkpoint_log(struct xfs_mount *mp);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]61
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]62/* Are we set up for a cross-referencing check? */
63bool xfs_scrub_should_check_xref(struct xfs_scrub_context *sc, int *error,
64 struct xfs_btree_cur **curpp);
65
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]66/* Setup functions */
67int xfs_scrub_setup_fs(struct xfs_scrub_context *sc, struct xfs_inode *ip);
Darrick J. Wongefa7a992017-10-17 21:37:40 -0700[diff] [blame]68int xfs_scrub_setup_ag_allocbt(struct xfs_scrub_context *sc,
69 struct xfs_inode *ip);
Darrick J. Wong3daa6642017-10-17 21:37:40 -0700[diff] [blame]70int xfs_scrub_setup_ag_iallocbt(struct xfs_scrub_context *sc,
71 struct xfs_inode *ip);
Darrick J. Wongc7e693d2017-10-17 21:37:41 -0700[diff] [blame]72int xfs_scrub_setup_ag_rmapbt(struct xfs_scrub_context *sc,
73 struct xfs_inode *ip);
Darrick J. Wongedc09b52017-10-17 21:37:41 -0700[diff] [blame]74int xfs_scrub_setup_ag_refcountbt(struct xfs_scrub_context *sc,
75 struct xfs_inode *ip);
Darrick J. Wong80e4e122017-10-17 21:37:42 -0700[diff] [blame]76int xfs_scrub_setup_inode(struct xfs_scrub_context *sc,
77 struct xfs_inode *ip);
Darrick J. Wong99d9d8d2017-10-17 21:37:43 -0700[diff] [blame]78int xfs_scrub_setup_inode_bmap(struct xfs_scrub_context *sc,
79 struct xfs_inode *ip);
80int xfs_scrub_setup_inode_bmap_data(struct xfs_scrub_context *sc,
81 struct xfs_inode *ip);
Darrick J. Wonga5c46e52017-10-17 21:37:44 -0700[diff] [blame]82int xfs_scrub_setup_directory(struct xfs_scrub_context *sc,
83 struct xfs_inode *ip);
Darrick J. Wongeec04822017-10-17 21:37:45 -0700[diff] [blame]84int xfs_scrub_setup_xattr(struct xfs_scrub_context *sc,
85 struct xfs_inode *ip);
Darrick J. Wong2a721db2017-10-17 21:37:45 -0700[diff] [blame]86int xfs_scrub_setup_symlink(struct xfs_scrub_context *sc,
87 struct xfs_inode *ip);
Darrick J. Wong0f28b252017-10-17 21:37:46 -0700[diff] [blame]88int xfs_scrub_setup_parent(struct xfs_scrub_context *sc,
89 struct xfs_inode *ip);
Darrick J. Wong29b07672017-10-17 21:37:46 -0700[diff] [blame]90#ifdef CONFIG_XFS_RT
91int xfs_scrub_setup_rt(struct xfs_scrub_context *sc, struct xfs_inode *ip);
92#else
93static inline int
94xfs_scrub_setup_rt(struct xfs_scrub_context *sc, struct xfs_inode *ip)
95{
96 return -ENOENT;
97}
98#endif
Darrick J. Wongc2fc3382017-10-17 21:37:47 -0700[diff] [blame]99#ifdef CONFIG_XFS_QUOTA
100int xfs_scrub_setup_quota(struct xfs_scrub_context *sc, struct xfs_inode *ip);
101#else
102static inline int
103xfs_scrub_setup_quota(struct xfs_scrub_context *sc, struct xfs_inode *ip)
104{
105 return -ENOENT;
106}
107#endif
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]108
Darrick J. Wongb6c1beb2017-10-17 21:37:38 -0700[diff] [blame]109void xfs_scrub_ag_free(struct xfs_scrub_context *sc, struct xfs_scrub_ag *sa);
110int xfs_scrub_ag_init(struct xfs_scrub_context *sc, xfs_agnumber_t agno,
111 struct xfs_scrub_ag *sa);
Darrick J. Wong51863d72018-05-29 22:24:44 -0700[diff] [blame]112void xfs_scrub_perag_get(struct xfs_mount *mp, struct xfs_scrub_ag *sa);
Darrick J. Wongb6c1beb2017-10-17 21:37:38 -0700[diff] [blame]113int xfs_scrub_ag_read_headers(struct xfs_scrub_context *sc, xfs_agnumber_t agno,
114 struct xfs_buf **agi, struct xfs_buf **agf,
115 struct xfs_buf **agfl);
116void xfs_scrub_ag_btcur_free(struct xfs_scrub_ag *sa);
117int xfs_scrub_ag_btcur_init(struct xfs_scrub_context *sc,
118 struct xfs_scrub_ag *sa);
Darrick J. Wongd8526572018-01-16 18:53:08 -0800[diff] [blame]119int xfs_scrub_count_rmap_ownedby_ag(struct xfs_scrub_context *sc,
120 struct xfs_btree_cur *cur,
121 struct xfs_owner_info *oinfo,
122 xfs_filblks_t *blocks);
Darrick J. Wongb6c1beb2017-10-17 21:37:38 -0700[diff] [blame]123
Darrick J. Wongefa7a992017-10-17 21:37:40 -0700[diff] [blame]124int xfs_scrub_setup_ag_btree(struct xfs_scrub_context *sc,
125 struct xfs_inode *ip, bool force_log);
Darrick J. Wong80e4e122017-10-17 21:37:42 -0700[diff] [blame]126int xfs_scrub_get_inode(struct xfs_scrub_context *sc, struct xfs_inode *ip_in);
Darrick J. Wonga5c46e52017-10-17 21:37:44 -0700[diff] [blame]127int xfs_scrub_setup_inode_contents(struct xfs_scrub_context *sc,
128 struct xfs_inode *ip, unsigned int resblks);
Darrick J. Wongcf1b0b82018-01-16 18:53:11 -0800[diff] [blame]129void xfs_scrub_buffer_recheck(struct xfs_scrub_context *sc, struct xfs_buf *bp);
Darrick J. Wongefa7a992017-10-17 21:37:40 -0700[diff] [blame]130
Darrick J. Wong8389f3ff2018-05-14 06:34:31 -0700[diff] [blame]131/*
132 * Don't bother cross-referencing if we already found corruption or cross
133 * referencing discrepancies.
134 */
135static inline bool xfs_scrub_skip_xref(struct xfs_scrub_metadata *sm)
136{
137 return sm->sm_flags & (XFS_SCRUB_OFLAG_CORRUPT |
138 XFS_SCRUB_OFLAG_XCORRUPT);
139}
140
Darrick J. Wong87d9d602018-05-14 06:34:33 -0700[diff] [blame]141int xfs_scrub_metadata_inode_forks(struct xfs_scrub_context *sc);
Darrick J. Wongddd10c22018-05-14 06:34:34 -0700[diff] [blame]142int xfs_scrub_ilock_inverted(struct xfs_inode *ip, uint lock_mode);
Darrick J. Wong87d9d602018-05-14 06:34:33 -0700[diff] [blame]143
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]144#endif /* __XFS_SCRUB_COMMON_H__ */