xref: /openbmc/linux/fs/ocfs2/filecheck.h (revision fa60ce2c)
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