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