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
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