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gerrit-public.fairphone.software / kernel / msm-5.4 / 9e6c08d4a8fc21fc496bf4543e5b2360fc610866 / . / fs / xfs / scrub / common.h
blob: 76bb2d1d808c884a47668abdc0961b182a75a0f0 [file] [log] [blame]
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]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 */
28static inline bool
29xfs_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
Darrick J. Wong0a9633f2018-05-29 22:18:08 -0700[diff] [blame]41int xfs_scrub_trans_alloc(struct xfs_scrub_context *sc, uint resblks);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]42bool xfs_scrub_process_error(struct xfs_scrub_context *sc, xfs_agnumber_t agno,
43 xfs_agblock_t bno, int *error);
44bool xfs_scrub_fblock_process_error(struct xfs_scrub_context *sc, int whichfork,
45 xfs_fileoff_t offset, int *error);
46
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]47bool xfs_scrub_xref_process_error(struct xfs_scrub_context *sc,
48 xfs_agnumber_t agno, xfs_agblock_t bno, int *error);
49bool xfs_scrub_fblock_xref_process_error(struct xfs_scrub_context *sc,
50 int whichfork, xfs_fileoff_t offset, int *error);
51
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]52void xfs_scrub_block_set_preen(struct xfs_scrub_context *sc,
53 struct xfs_buf *bp);
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]54void 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]55
56void xfs_scrub_block_set_corrupt(struct xfs_scrub_context *sc,
57 struct xfs_buf *bp);
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]58void 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]59void xfs_scrub_fblock_set_corrupt(struct xfs_scrub_context *sc, int whichfork,
60 xfs_fileoff_t offset);
61
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]62void xfs_scrub_block_xref_set_corrupt(struct xfs_scrub_context *sc,
63 struct xfs_buf *bp);
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]64void xfs_scrub_ino_xref_set_corrupt(struct xfs_scrub_context *sc,
65 xfs_ino_t ino);
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]66void xfs_scrub_fblock_xref_set_corrupt(struct xfs_scrub_context *sc,
67 int whichfork, xfs_fileoff_t offset);
68
Darrick J. Wong7e56d9e2018-03-23 10:06:54 -0700[diff] [blame]69void 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]70void xfs_scrub_fblock_set_warning(struct xfs_scrub_context *sc, int whichfork,
71 xfs_fileoff_t offset);
72
73void xfs_scrub_set_incomplete(struct xfs_scrub_context *sc);
Darrick J. Wong3daa6642017-10-17 21:37:40 -0700[diff] [blame]74int xfs_scrub_checkpoint_log(struct xfs_mount *mp);
Darrick J. Wong4700d222017-10-17 21:37:36 -0700[diff] [blame]75
Darrick J. Wong64b12562018-01-16 18:52:14 -0800[diff] [blame]76/* Are we set up for a cross-referencing check? */
77bool xfs_scrub_should_check_xref(struct xfs_scrub_context *sc, int *error,
78 struct xfs_btree_cur **curpp);
79
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]80/* Setup functions */
81int xfs_scrub_setup_fs(struct xfs_scrub_context *sc, struct xfs_inode *ip);
Darrick J. Wongefa7a992017-10-17 21:37:40 -0700[diff] [blame]82int xfs_scrub_setup_ag_allocbt(struct xfs_scrub_context *sc,
83 struct xfs_inode *ip);
Darrick J. Wong3daa6642017-10-17 21:37:40 -0700[diff] [blame]84int xfs_scrub_setup_ag_iallocbt(struct xfs_scrub_context *sc,
85 struct xfs_inode *ip);
Darrick J. Wongc7e693d2017-10-17 21:37:41 -0700[diff] [blame]86int xfs_scrub_setup_ag_rmapbt(struct xfs_scrub_context *sc,
87 struct xfs_inode *ip);
Darrick J. Wongedc09b52017-10-17 21:37:41 -0700[diff] [blame]88int xfs_scrub_setup_ag_refcountbt(struct xfs_scrub_context *sc,
89 struct xfs_inode *ip);
Darrick J. Wong80e4e122017-10-17 21:37:42 -0700[diff] [blame]90int xfs_scrub_setup_inode(struct xfs_scrub_context *sc,
91 struct xfs_inode *ip);
Darrick J. Wong99d9d8d2017-10-17 21:37:43 -0700[diff] [blame]92int xfs_scrub_setup_inode_bmap(struct xfs_scrub_context *sc,
93 struct xfs_inode *ip);
94int xfs_scrub_setup_inode_bmap_data(struct xfs_scrub_context *sc,
95 struct xfs_inode *ip);
Darrick J. Wonga5c46e52017-10-17 21:37:44 -0700[diff] [blame]96int xfs_scrub_setup_directory(struct xfs_scrub_context *sc,
97 struct xfs_inode *ip);
Darrick J. Wongeec04822017-10-17 21:37:45 -0700[diff] [blame]98int xfs_scrub_setup_xattr(struct xfs_scrub_context *sc,
99 struct xfs_inode *ip);
Darrick J. Wong2a721db2017-10-17 21:37:45 -0700[diff] [blame]100int xfs_scrub_setup_symlink(struct xfs_scrub_context *sc,
101 struct xfs_inode *ip);
Darrick J. Wong0f28b252017-10-17 21:37:46 -0700[diff] [blame]102int xfs_scrub_setup_parent(struct xfs_scrub_context *sc,
103 struct xfs_inode *ip);
Darrick J. Wong29b07672017-10-17 21:37:46 -0700[diff] [blame]104#ifdef CONFIG_XFS_RT
105int xfs_scrub_setup_rt(struct xfs_scrub_context *sc, struct xfs_inode *ip);
106#else
107static inline int
108xfs_scrub_setup_rt(struct xfs_scrub_context *sc, struct xfs_inode *ip)
109{
110 return -ENOENT;
111}
112#endif
Darrick J. Wongc2fc3382017-10-17 21:37:47 -0700[diff] [blame]113#ifdef CONFIG_XFS_QUOTA
114int xfs_scrub_setup_quota(struct xfs_scrub_context *sc, struct xfs_inode *ip);
115#else
116static inline int
117xfs_scrub_setup_quota(struct xfs_scrub_context *sc, struct xfs_inode *ip)
118{
119 return -ENOENT;
120}
121#endif
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]122
Darrick J. Wongb6c1beb2017-10-17 21:37:38 -0700[diff] [blame]123void xfs_scrub_ag_free(struct xfs_scrub_context *sc, struct xfs_scrub_ag *sa);
124int xfs_scrub_ag_init(struct xfs_scrub_context *sc, xfs_agnumber_t agno,
125 struct xfs_scrub_ag *sa);
Darrick J. Wong51863d72018-05-29 22:24:44 -0700[diff] [blame]126void xfs_scrub_perag_get(struct xfs_mount *mp, struct xfs_scrub_ag *sa);
Darrick J. Wongb6c1beb2017-10-17 21:37:38 -0700[diff] [blame]127int xfs_scrub_ag_read_headers(struct xfs_scrub_context *sc, xfs_agnumber_t agno,
128 struct xfs_buf **agi, struct xfs_buf **agf,
129 struct xfs_buf **agfl);
130void xfs_scrub_ag_btcur_free(struct xfs_scrub_ag *sa);
131int xfs_scrub_ag_btcur_init(struct xfs_scrub_context *sc,
132 struct xfs_scrub_ag *sa);
Darrick J. Wongd8526572018-01-16 18:53:08 -0800[diff] [blame]133int xfs_scrub_count_rmap_ownedby_ag(struct xfs_scrub_context *sc,
134 struct xfs_btree_cur *cur,
135 struct xfs_owner_info *oinfo,
136 xfs_filblks_t *blocks);
Darrick J. Wongb6c1beb2017-10-17 21:37:38 -0700[diff] [blame]137
Darrick J. Wongefa7a992017-10-17 21:37:40 -0700[diff] [blame]138int xfs_scrub_setup_ag_btree(struct xfs_scrub_context *sc,
139 struct xfs_inode *ip, bool force_log);
Darrick J. Wong80e4e122017-10-17 21:37:42 -0700[diff] [blame]140int 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]141int xfs_scrub_setup_inode_contents(struct xfs_scrub_context *sc,
142 struct xfs_inode *ip, unsigned int resblks);
Darrick J. Wongcf1b0b82018-01-16 18:53:11 -0800[diff] [blame]143void xfs_scrub_buffer_recheck(struct xfs_scrub_context *sc, struct xfs_buf *bp);
Darrick J. Wongefa7a992017-10-17 21:37:40 -0700[diff] [blame]144
Darrick J. Wong8389f3ff2018-05-14 06:34:31 -0700[diff] [blame]145/*
146 * Don't bother cross-referencing if we already found corruption or cross
147 * referencing discrepancies.
148 */
149static inline bool xfs_scrub_skip_xref(struct xfs_scrub_metadata *sm)
150{
151 return sm->sm_flags & (XFS_SCRUB_OFLAG_CORRUPT |
152 XFS_SCRUB_OFLAG_XCORRUPT);
153}
154
Darrick J. Wong87d9d602018-05-14 06:34:33 -0700[diff] [blame]155int xfs_scrub_metadata_inode_forks(struct xfs_scrub_context *sc);
Darrick J. Wongddd10c22018-05-14 06:34:34 -0700[diff] [blame]156int xfs_scrub_ilock_inverted(struct xfs_inode *ip, uint lock_mode);
Darrick J. Wong87d9d602018-05-14 06:34:33 -0700[diff] [blame]157
Darrick J. Wongdcb660f2017-10-17 21:37:36 -0700[diff] [blame]158#endif /* __XFS_SCRUB_COMMON_H__ */