1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* -*- mode: c; c-basic-offset: 8; -*- 3 * vim: noexpandtab sw=8 ts=8 sts=0: 4 * 5 * filecheck.h 6 * 7 * Online file check. 8 * 9 * Copyright (C) 2016 SuSE. All rights reserved. 10 */ 11 12 13 #ifndef FILECHECK_H 14 #define FILECHECK_H 15 16 #include <linux/types.h> 17 #include <linux/list.h> 18 19 20 /* File check errno */ 21 enum { 22 OCFS2_FILECHECK_ERR_SUCCESS = 0, /* Success */ 23 OCFS2_FILECHECK_ERR_FAILED = 1000, /* Other failure */ 24 OCFS2_FILECHECK_ERR_INPROGRESS, /* In progress */ 25 OCFS2_FILECHECK_ERR_READONLY, /* Read only */ 26 OCFS2_FILECHECK_ERR_INJBD, /* Buffer in jbd */ 27 OCFS2_FILECHECK_ERR_INVALIDINO, /* Invalid ino */ 28 OCFS2_FILECHECK_ERR_BLOCKECC, /* Block ecc */ 29 OCFS2_FILECHECK_ERR_BLOCKNO, /* Block number */ 30 OCFS2_FILECHECK_ERR_VALIDFLAG, /* Inode valid flag */ 31 OCFS2_FILECHECK_ERR_GENERATION, /* Inode generation */ 32 OCFS2_FILECHECK_ERR_UNSUPPORTED /* Unsupported */ 33 }; 34 35 #define OCFS2_FILECHECK_ERR_START OCFS2_FILECHECK_ERR_FAILED 36 #define OCFS2_FILECHECK_ERR_END OCFS2_FILECHECK_ERR_UNSUPPORTED 37 38 struct ocfs2_filecheck { 39 struct list_head fc_head; /* File check entry list head */ 40 spinlock_t fc_lock; 41 unsigned int fc_max; /* Maximum number of entry in list */ 42 unsigned int fc_size; /* Current entry count in list */ 43 unsigned int fc_done; /* Finished entry count in list */ 44 }; 45 46 #define OCFS2_FILECHECK_MAXSIZE 100 47 #define OCFS2_FILECHECK_MINSIZE 10 48 49 /* File check operation type */ 50 enum { 51 OCFS2_FILECHECK_TYPE_CHK = 0, /* Check a file(inode) */ 52 OCFS2_FILECHECK_TYPE_FIX, /* Fix a file(inode) */ 53 OCFS2_FILECHECK_TYPE_SET = 100 /* Set entry list maximum size */ 54 }; 55 56 struct ocfs2_filecheck_sysfs_entry { /* sysfs entry per partition */ 57 struct kobject fs_kobj; 58 struct completion fs_kobj_unregister; 59 struct ocfs2_filecheck *fs_fcheck; 60 }; 61 62 63 int ocfs2_filecheck_create_sysfs(struct ocfs2_super *osb); 64 void ocfs2_filecheck_remove_sysfs(struct ocfs2_super *osb); 65 66 #endif /* FILECHECK_H */ 67