1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * filecheck.h |
4 | * |
5 | * Online file check. |
6 | * |
7 | * Copyright (C) 2016 SuSE. All rights reserved. |
8 | */ |
9 | |
10 | |
11 | #ifndef FILECHECK_H |
12 | #define FILECHECK_H |
13 | |
14 | #include <linux/types.h> |
15 | #include <linux/list.h> |
16 | |
17 | |
18 | /* File check errno */ |
19 | enum { |
20 | OCFS2_FILECHECK_ERR_SUCCESS = 0, /* Success */ |
21 | OCFS2_FILECHECK_ERR_FAILED = 1000, /* Other failure */ |
22 | OCFS2_FILECHECK_ERR_INPROGRESS, /* In progress */ |
23 | OCFS2_FILECHECK_ERR_READONLY, /* Read only */ |
24 | OCFS2_FILECHECK_ERR_INJBD, /* Buffer in jbd */ |
25 | OCFS2_FILECHECK_ERR_INVALIDINO, /* Invalid ino */ |
26 | OCFS2_FILECHECK_ERR_BLOCKECC, /* Block ecc */ |
27 | OCFS2_FILECHECK_ERR_BLOCKNO, /* Block number */ |
28 | OCFS2_FILECHECK_ERR_VALIDFLAG, /* Inode valid flag */ |
29 | OCFS2_FILECHECK_ERR_GENERATION, /* Inode generation */ |
30 | OCFS2_FILECHECK_ERR_UNSUPPORTED /* Unsupported */ |
31 | }; |
32 | |
33 | #define OCFS2_FILECHECK_ERR_START OCFS2_FILECHECK_ERR_FAILED |
34 | #define OCFS2_FILECHECK_ERR_END OCFS2_FILECHECK_ERR_UNSUPPORTED |
35 | |
36 | struct ocfs2_filecheck { |
37 | struct list_head fc_head; /* File check entry list head */ |
38 | spinlock_t fc_lock; |
39 | unsigned int fc_max; /* Maximum number of entry in list */ |
40 | unsigned int fc_size; /* Current entry count in list */ |
41 | unsigned int fc_done; /* Finished entry count in list */ |
42 | }; |
43 | |
44 | #define OCFS2_FILECHECK_MAXSIZE 100 |
45 | #define OCFS2_FILECHECK_MINSIZE 10 |
46 | |
47 | /* File check operation type */ |
48 | enum { |
49 | OCFS2_FILECHECK_TYPE_CHK = 0, /* Check a file(inode) */ |
50 | OCFS2_FILECHECK_TYPE_FIX, /* Fix a file(inode) */ |
51 | OCFS2_FILECHECK_TYPE_SET = 100 /* Set entry list maximum size */ |
52 | }; |
53 | |
54 | struct ocfs2_filecheck_sysfs_entry { /* sysfs entry per partition */ |
55 | struct kobject fs_kobj; |
56 | struct completion fs_kobj_unregister; |
57 | struct ocfs2_filecheck *fs_fcheck; |
58 | }; |
59 | |
60 | |
61 | int ocfs2_filecheck_create_sysfs(struct ocfs2_super *osb); |
62 | void ocfs2_filecheck_remove_sysfs(struct ocfs2_super *osb); |
63 | |
64 | #endif /* FILECHECK_H */ |
65 | |