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 */ 75