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1 | /* -*- mode: c; c-basic-offset: 8; -*- |
2 | * vim: noexpandtab sw=8 ts=8 sts=0: | |
3 | * | |
4 | * filecheck.h | |
5 | * | |
6 | * Online file check. | |
7 | * | |
8 | * Copyright (C) 2016 SuSE. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public | |
12 | * License as published by the Free Software Foundation, version 2. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | */ | |
19 | ||
20 | ||
21 | #ifndef FILECHECK_H | |
22 | #define FILECHECK_H | |
23 | ||
24 | #include <linux/types.h> | |
25 | #include <linux/list.h> | |
26 | ||
27 | ||
28 | /* File check errno */ | |
29 | enum { | |
30 | OCFS2_FILECHECK_ERR_SUCCESS = 0, /* Success */ | |
31 | OCFS2_FILECHECK_ERR_FAILED = 1000, /* Other failure */ | |
32 | OCFS2_FILECHECK_ERR_INPROGRESS, /* In progress */ | |
33 | OCFS2_FILECHECK_ERR_READONLY, /* Read only */ | |
34 | OCFS2_FILECHECK_ERR_INJBD, /* Buffer in jbd */ | |
35 | OCFS2_FILECHECK_ERR_INVALIDINO, /* Invalid ino */ | |
36 | OCFS2_FILECHECK_ERR_BLOCKECC, /* Block ecc */ | |
37 | OCFS2_FILECHECK_ERR_BLOCKNO, /* Block number */ | |
38 | OCFS2_FILECHECK_ERR_VALIDFLAG, /* Inode valid flag */ | |
39 | OCFS2_FILECHECK_ERR_GENERATION, /* Inode generation */ | |
40 | OCFS2_FILECHECK_ERR_UNSUPPORTED /* Unsupported */ | |
41 | }; | |
42 | ||
43 | #define OCFS2_FILECHECK_ERR_START OCFS2_FILECHECK_ERR_FAILED | |
44 | #define OCFS2_FILECHECK_ERR_END OCFS2_FILECHECK_ERR_UNSUPPORTED | |
45 | ||
5ac94386 GH |
46 | struct ocfs2_filecheck { |
47 | struct list_head fc_head; /* File check entry list head */ | |
48 | spinlock_t fc_lock; | |
49 | unsigned int fc_max; /* Maximum number of entry in list */ | |
50 | unsigned int fc_size; /* Current entry count in list */ | |
51 | unsigned int fc_done; /* Finished entry count in list */ | |
52 | }; | |
53 | ||
5ac94386 GH |
54 | #define OCFS2_FILECHECK_MAXSIZE 100 |
55 | #define OCFS2_FILECHECK_MINSIZE 10 | |
56 | ||
57 | /* File check operation type */ | |
58 | enum { | |
59 | OCFS2_FILECHECK_TYPE_CHK = 0, /* Check a file(inode) */ | |
60 | OCFS2_FILECHECK_TYPE_FIX, /* Fix a file(inode) */ | |
61 | OCFS2_FILECHECK_TYPE_SET = 100 /* Set entry list maximum size */ | |
62 | }; | |
63 | ||
5f483c4a GH |
64 | struct ocfs2_filecheck_sysfs_entry { /* sysfs entry per partition */ |
65 | struct kobject fs_kobj; | |
66 | struct completion fs_kobj_unregister; | |
67 | struct ocfs2_filecheck *fs_fcheck; | |
68 | }; | |
69 | ||
70 | ||
71 | int ocfs2_filecheck_create_sysfs(struct ocfs2_super *osb); | |
72 | void ocfs2_filecheck_remove_sysfs(struct ocfs2_super *osb); | |
a860f6eb GH |
73 | |
74 | #endif /* FILECHECK_H */ |