19 #include <sys/resource.h>
20 #include <sys/param.h>
21 #include <sys/mount.h>
22 #include <sys/ioctl.h>
27 #include "ext2fs/kernel-list.h"
28 #include <sys/types.h>
29 #include <linux/types.h>
33 * Now pull in the real linux/jfs.h definitions.
35 #include "ext2fs/kernel-jbd.h"
41 #include "ext2fs/ext2_fs.h"
42 #include "blkid/blkid.h"
43 #include "ext2fs/ext2_ext_attr.h"
44 #include "uuid/uuid.h"
50 #define read_a_char() getch()
59 * The last ext2fs revision level that this version of e2fsck is able to
62 #define E2FSCK_CURRENT_REV 1
64 /* Used by the region allocation code */
65 typedef __u32 region_addr_t;
66 typedef struct region_struct *region_t;
68 struct dx_dirblock_info {
73 ext2_dirhash_t min_hash;
74 ext2_dirhash_t max_hash;
75 ext2_dirhash_t node_min_hash;
76 ext2_dirhash_t node_max_hash;
80 These defines are used in the type field of dx_dirblock_info
83 #define DX_DIRBLOCK_ROOT 1
84 #define DX_DIRBLOCK_LEAF 2
85 #define DX_DIRBLOCK_NODE 3
86 #define DX_DIRBLOCK_CORRUPT 4
87 #define DX_DIRBLOCK_CLEARED 8
91 The following defines are used in the 'flags' field of a dx_dirblock_info
93 #define DX_FLAG_REFERENCED 1
94 #define DX_FLAG_DUP_REF 2
95 #define DX_FLAG_FIRST 4
96 #define DX_FLAG_LAST 8
101 #define E2F_OPT_READONLY 0x0001
102 #define E2F_OPT_PREEN 0x0002
103 #define E2F_OPT_YES 0x0004
104 #define E2F_OPT_NO 0x0008
105 #define E2F_OPT_TIME 0x0010
106 #define E2F_OPT_TIME2 0x0020
107 #define E2F_OPT_CHECKBLOCKS 0x0040
108 #define E2F_OPT_DEBUG 0x0080
109 #define E2F_OPT_FORCE 0x0100
110 #define E2F_OPT_WRITECHECK 0x0200
111 #define E2F_OPT_COMPRESS_DIRS 0x0400
116 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
117 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
118 #define E2F_FLAG_SIGNAL_MASK 0x0003
119 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
121 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
123 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
124 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
125 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
126 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
127 * specified by the user */
128 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
129 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
132 * Defines for indicating the e2fsck pass number
139 #define E2F_PASS_1B 6
141 /*Don't know where these come from*/
145 #define KERN_DEBUG ""
146 #define cpu_to_be32(n) htonl(n)
147 #define be32_to_cpu(n) ntohl(n)
151 * The directory information structure; stores directory information
152 * collected in earlier passes, to avoid disk i/o in fetching the
153 * directory information.
156 ext2_ino_t ino; /* Inode number */
157 ext2_ino_t dotdot; /* Parent according to '..' */
158 ext2_ino_t parent; /* Parent according to treewalk */
164 * The indexed directory information structure; stores information for
165 * directories which contain a hash tree index.
168 ext2_ino_t ino; /* Inode number */
169 int numblocks; /* number of blocks */
171 short depth; /* depth of tree */
172 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
176 * Define the extended attribute refcount structure
178 typedef struct ea_refcount *ext2_refcount_t;
180 struct e2fsck_struct {
182 const char *program_name;
183 char *filesystem_name;
186 int flags; /* E2fsck internal flags */
188 blk_t use_superblock; /* sb requested by user */
189 blk_t superblock; /* sb used to open fs */
190 int blocksize; /* blocksize */
191 blk_t num_blocks; /* Total number of blocks */
193 blkid_cache blkid; /* blkid cache */
197 unsigned long abort_code;
199 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
202 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
203 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
204 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
205 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
206 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
207 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
209 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
210 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
211 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
216 ext2_icount_t inode_count;
217 ext2_icount_t inode_link_info;
219 ext2_refcount_t refcount;
220 ext2_refcount_t refcount_extra;
223 * Array of flags indicating whether an inode bitmap, block
224 * bitmap, or inode table is invalid
226 int *invalid_inode_bitmap_flag;
227 int *invalid_block_bitmap_flag;
228 int *invalid_inode_table_flag;
229 int invalid_bitmaps; /* There are invalid bitmaps/itable */
237 * For pass1_check_directory and pass1_get_blocks
239 ext2_ino_t stashed_ino;
240 struct ext2_inode *stashed_inode;
243 * Location of the lost and found directory
245 ext2_ino_t lost_and_found;
246 int bad_lost_and_found;
249 * Directory information
253 struct dir_info *dir_info;
256 * Indexed directory information
258 int dx_dir_info_count;
259 int dx_dir_info_size;
260 struct dx_dir_info *dx_dir_info;
263 * Directories to hash
265 ext2_u32_list dirs_to_hash;
270 int process_inode_size;
271 int inode_buffer_blocks;
274 * ext3 journal support
276 io_channel journal_io;
280 * How we display the progress update (for unix)
284 int progress_last_percent;
285 unsigned int progress_last_time;
286 int interactive; /* Are we connected directly to a tty? */
287 char start_meta[2], stop_meta[2];
290 int fs_directory_count;
291 int fs_regular_count;
292 int fs_blockdev_count;
293 int fs_chardev_count;
295 int fs_symlinks_count;
296 int fs_fast_symlinks_count;
299 int fs_badblocks_count;
300 int fs_sockets_count;
306 int fs_ext_attr_inodes;
307 int fs_ext_attr_blocks;
312 * For the use of callers of the e2fsck functions; not used by
313 * e2fsck functions themselves.
320 static inline int tid_gt(tid_t x, tid_t y)
322 int difference = (x - y);
323 return (difference > 0);
326 static inline int tid_geq(tid_t x, tid_t y)
328 int difference = (x - y);
329 return (difference >= 0);