1 /* 2 * Copyright 2001-2007, Axel Dörfler, axeld@pinc-software.de 3 * This file may be used under the terms of the MIT License. 4 */ 5 #ifndef BFS_CONTROL_H 6 #define BFS_CONTROL_H 7 8 //! additional functionality exported via ioctl() 9 10 11 #include "system_dependencies.h" 12 13 14 /* ioctl to check the version of BFS used - parameter is a uint32 * 15 * where the number is stored 16 */ 17 #define BFS_IOCTL_VERSION 14200 18 19 /* ioctls to use the "chkbfs" feature from the outside 20 * all calls use a struct check_result as single parameter 21 */ 22 #define BFS_IOCTL_START_CHECKING 14201 23 #define BFS_IOCTL_STOP_CHECKING 14202 24 #define BFS_IOCTL_CHECK_NEXT_NODE 14203 25 26 /* all fields except "flags", and "name" must be set to zero before 27 * BFS_IOCTL_START_CHECKING is called 28 */ 29 struct check_control { 30 uint32 magic; 31 uint32 flags; 32 char name[B_FILE_NAME_LENGTH]; 33 ino_t inode; 34 uint32 mode; 35 uint32 errors; 36 struct { 37 uint64 missing; 38 uint64 already_set; 39 uint64 freed; 40 } stats; 41 status_t status; 42 void *cookie; 43 }; 44 45 /* values for the flags field */ 46 #define BFS_FIX_BITMAP_ERRORS 1 47 #define BFS_REMOVE_WRONG_TYPES 2 48 /* files that shouldn't be part of its parent will be removed 49 * (i.e. a directory contains an attribute, ...) 50 * Works only if B_FIX_BITMAP_ERRORS is set, too 51 */ 52 #define BFS_REMOVE_INVALID 4 53 /* removes nodes that couldn't be opened at all from its parent 54 * directory. 55 * Also requires the B_FIX_BITMAP_ERRORS to be set. 56 */ 57 58 /* values for the errors field */ 59 #define BFS_MISSING_BLOCKS 1 60 #define BFS_BLOCKS_ALREADY_SET 2 61 #define BFS_INVALID_BLOCK_RUN 4 62 #define BFS_COULD_NOT_OPEN 8 63 #define BFS_WRONG_TYPE 16 64 #define BFS_NAMES_DONT_MATCH 32 65 66 /* check control magic value */ 67 #define BFS_IOCTL_CHECK_MAGIC 'BChk' 68 69 #endif /* BFS_CONTROL_H */ 70