xref: /openbmc/linux/fs/ocfs2/filecheck.h (revision 8be98d2f2a0a262f8bf8a0bc1fdf522b3c7aab17)
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