19 #include <sys/resource.h>
20 #include <sys/param.h>
21 #include <sys/mount.h>
22 #include <sys/ioctl.h>
26 #include "ext2fs/kernel-list.h"
27 #include <sys/types.h>
28 #include <linux/types.h>
32 * Now pull in the real linux/jfs.h definitions.
34 #include "ext2fs/kernel-jbd.h"
40 #include "ext2fs/ext2_fs.h"
41 #include "blkid/blkid.h"
42 #include "ext2fs/ext2_ext_attr.h"
43 #include "uuid/uuid.h"
49 #define read_a_char() getch()
58 * The last ext2fs revision level that this version of e2fsck is able to
61 #define E2FSCK_CURRENT_REV 1
63 /* Used by the region allocation code */
64 typedef __u32 region_addr_t;
65 typedef struct region_struct *region_t;
67 struct dx_dirblock_info {
72 ext2_dirhash_t min_hash;
73 ext2_dirhash_t max_hash;
74 ext2_dirhash_t node_min_hash;
75 ext2_dirhash_t node_max_hash;
79 These defines are used in the type field of dx_dirblock_info
82 #define DX_DIRBLOCK_ROOT 1
83 #define DX_DIRBLOCK_LEAF 2
84 #define DX_DIRBLOCK_NODE 3
85 #define DX_DIRBLOCK_CORRUPT 4
86 #define DX_DIRBLOCK_CLEARED 8
90 The following defines are used in the 'flags' field of a dx_dirblock_info
92 #define DX_FLAG_REFERENCED 1
93 #define DX_FLAG_DUP_REF 2
94 #define DX_FLAG_FIRST 4
95 #define DX_FLAG_LAST 8
100 #define E2F_OPT_READONLY 0x0001
101 #define E2F_OPT_PREEN 0x0002
102 #define E2F_OPT_YES 0x0004
103 #define E2F_OPT_NO 0x0008
104 #define E2F_OPT_TIME 0x0010
105 #define E2F_OPT_TIME2 0x0020
106 #define E2F_OPT_CHECKBLOCKS 0x0040
107 #define E2F_OPT_DEBUG 0x0080
108 #define E2F_OPT_FORCE 0x0100
109 #define E2F_OPT_WRITECHECK 0x0200
110 #define E2F_OPT_COMPRESS_DIRS 0x0400
115 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
116 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
117 #define E2F_FLAG_SIGNAL_MASK 0x0003
118 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
120 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
122 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
123 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
124 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
125 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
126 * specified by the user */
127 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
128 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
131 * Defines for indicating the e2fsck pass number
138 #define E2F_PASS_1B 6
140 /*Don't know where these come from*/
144 #define KERN_DEBUG ""
145 #define cpu_to_be32(n) htonl(n)
146 #define be32_to_cpu(n) ntohl(n)
150 * The directory information structure; stores directory information
151 * collected in earlier passes, to avoid disk i/o in fetching the
152 * directory information.
155 ext2_ino_t ino; /* Inode number */
156 ext2_ino_t dotdot; /* Parent according to '..' */
157 ext2_ino_t parent; /* Parent according to treewalk */
163 * The indexed directory information structure; stores information for
164 * directories which contain a hash tree index.
167 ext2_ino_t ino; /* Inode number */
168 int numblocks; /* number of blocks */
170 short depth; /* depth of tree */
171 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
175 * Define the extended attribute refcount structure
177 typedef struct ea_refcount *ext2_refcount_t;
179 struct e2fsck_struct {
181 const char *program_name;
182 char *filesystem_name;
185 int flags; /* E2fsck internal flags */
187 blk_t use_superblock; /* sb requested by user */
188 blk_t superblock; /* sb used to open fs */
189 int blocksize; /* blocksize */
190 blk_t num_blocks; /* Total number of blocks */
192 blkid_cache blkid; /* blkid cache */
196 unsigned long abort_code;
198 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
201 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
202 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
203 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
204 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
205 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
206 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
208 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
209 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
210 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
215 ext2_icount_t inode_count;
216 ext2_icount_t inode_link_info;
218 ext2_refcount_t refcount;
219 ext2_refcount_t refcount_extra;
222 * Array of flags indicating whether an inode bitmap, block
223 * bitmap, or inode table is invalid
225 int *invalid_inode_bitmap_flag;
226 int *invalid_block_bitmap_flag;
227 int *invalid_inode_table_flag;
228 int invalid_bitmaps; /* There are invalid bitmaps/itable */
236 * For pass1_check_directory and pass1_get_blocks
238 ext2_ino_t stashed_ino;
239 struct ext2_inode *stashed_inode;
242 * Location of the lost and found directory
244 ext2_ino_t lost_and_found;
245 int bad_lost_and_found;
248 * Directory information
252 struct dir_info *dir_info;
255 * Indexed directory information
257 int dx_dir_info_count;
258 int dx_dir_info_size;
259 struct dx_dir_info *dx_dir_info;
262 * Directories to hash
264 ext2_u32_list dirs_to_hash;
269 int process_inode_size;
270 int inode_buffer_blocks;
273 * ext3 journal support
275 io_channel journal_io;
279 * How we display the progress update (for unix)
283 int progress_last_percent;
284 unsigned int progress_last_time;
285 int interactive; /* Are we connected directly to a tty? */
286 char start_meta[2], stop_meta[2];
289 int fs_directory_count;
290 int fs_regular_count;
291 int fs_blockdev_count;
292 int fs_chardev_count;
294 int fs_symlinks_count;
295 int fs_fast_symlinks_count;
298 int fs_badblocks_count;
299 int fs_sockets_count;
305 int fs_ext_attr_inodes;
306 int fs_ext_attr_blocks;
311 * For the use of callers of the e2fsck functions; not used by
312 * e2fsck functions themselves.
319 static inline int tid_gt(tid_t x, tid_t y)
321 int difference = (x - y);
322 return (difference > 0);
325 static inline int tid_geq(tid_t x, tid_t y)
327 int difference = (x - y);
328 return (difference >= 0);