xref: /kernel/linux/linux-5.10/fs/ocfs2/filecheck.h (revision 8c2ecf20)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/* -*- mode: c; c-basic-offset: 8; -*-
3 * vim: noexpandtab sw=8 ts=8 sts=0:
4 *
5 * filecheck.h
6 *
7 * Online file check.
8 *
9 * Copyright (C) 2016 SuSE.  All rights reserved.
10 */
11
12
13#ifndef FILECHECK_H
14#define FILECHECK_H
15
16#include <linux/types.h>
17#include <linux/list.h>
18
19
20/* File check errno */
21enum {
22	OCFS2_FILECHECK_ERR_SUCCESS = 0,	/* Success */
23	OCFS2_FILECHECK_ERR_FAILED = 1000,	/* Other failure */
24	OCFS2_FILECHECK_ERR_INPROGRESS,		/* In progress */
25	OCFS2_FILECHECK_ERR_READONLY,		/* Read only */
26	OCFS2_FILECHECK_ERR_INJBD,		/* Buffer in jbd */
27	OCFS2_FILECHECK_ERR_INVALIDINO,		/* Invalid ino */
28	OCFS2_FILECHECK_ERR_BLOCKECC,		/* Block ecc */
29	OCFS2_FILECHECK_ERR_BLOCKNO,		/* Block number */
30	OCFS2_FILECHECK_ERR_VALIDFLAG,		/* Inode valid flag */
31	OCFS2_FILECHECK_ERR_GENERATION,		/* Inode generation */
32	OCFS2_FILECHECK_ERR_UNSUPPORTED		/* Unsupported */
33};
34
35#define OCFS2_FILECHECK_ERR_START	OCFS2_FILECHECK_ERR_FAILED
36#define OCFS2_FILECHECK_ERR_END		OCFS2_FILECHECK_ERR_UNSUPPORTED
37
38struct ocfs2_filecheck {
39	struct list_head fc_head;	/* File check entry list head */
40	spinlock_t fc_lock;
41	unsigned int fc_max;	/* Maximum number of entry in list */
42	unsigned int fc_size;	/* Current entry count in list */
43	unsigned int fc_done;	/* Finished entry count in list */
44};
45
46#define OCFS2_FILECHECK_MAXSIZE		100
47#define OCFS2_FILECHECK_MINSIZE		10
48
49/* File check operation type */
50enum {
51	OCFS2_FILECHECK_TYPE_CHK = 0,	/* Check a file(inode) */
52	OCFS2_FILECHECK_TYPE_FIX,	/* Fix a file(inode) */
53	OCFS2_FILECHECK_TYPE_SET = 100	/* Set entry list maximum size */
54};
55
56struct ocfs2_filecheck_sysfs_entry {	/* sysfs entry per partition */
57	struct kobject fs_kobj;
58	struct completion fs_kobj_unregister;
59	struct ocfs2_filecheck *fs_fcheck;
60};
61
62
63int ocfs2_filecheck_create_sysfs(struct ocfs2_super *osb);
64void ocfs2_filecheck_remove_sysfs(struct ocfs2_super *osb);
65
66#endif  /* FILECHECK_H */
67