| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 | |
| 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 | |
| 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 | |
| 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); |
| 73 | |
| 74 | #endif /* FILECHECK_H */ |