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Diffstat (limited to 'e2fsprogs/e2fsck.h')
| -rw-r--r-- | e2fsprogs/e2fsck.h | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/e2fsprogs/e2fsck.h b/e2fsprogs/e2fsck.h new file mode 100644 index 0000000..1d292b9 --- /dev/null +++ b/e2fsprogs/e2fsck.h @@ -0,0 +1,351 @@ +#include <sys/types.h> +#include <inttypes.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <stdlib.h> +#include <time.h> +#include <fcntl.h> +#include <ctype.h> +#include <setjmp.h> +#include <errno.h> +#include <getopt.h> +#include <limits.h> +#include <stddef.h> +#include <assert.h> +#include <signal.h> +#include <sys/time.h> +#include <sys/stat.h> +#include <sys/resource.h> +#include <sys/param.h> +#include <sys/mount.h> +#include <sys/ioctl.h> +#include <malloc.h> +#include <termios.h> +#include <mntent.h> +#include <dirent.h> +#include "ext2fs/kernel-list.h" +#include <sys/types.h> +#include <linux/types.h> + + +/* + * Now pull in the real linux/jfs.h definitions. + */ +#include "ext2fs/kernel-jbd.h" + + + +#include "fsck.h" + +#include "ext2fs/ext2_fs.h" +#include "blkid/blkid.h" +#include "ext2fs/ext2_ext_attr.h" +#include "uuid/uuid.h" + +#ifdef HAVE_CONIO_H +#undef HAVE_TERMIOS_H +#include <conio.h> +#define read_a_char() getch() +#else +#ifdef HAVE_TERMIOS_H +#include <termios.h> +#endif +#endif + + +/* + * The last ext2fs revision level that this version of e2fsck is able to + * support + */ +#define E2FSCK_CURRENT_REV 1 + +/* Used by the region allocation code */ +typedef __u32 region_addr_t; +typedef struct region_struct *region_t; + +struct dx_dirblock_info { + int type; + blk_t phys; + int flags; + blk_t parent; + ext2_dirhash_t min_hash; + ext2_dirhash_t max_hash; + ext2_dirhash_t node_min_hash; + ext2_dirhash_t node_max_hash; +}; + +/* +These defines are used in the type field of dx_dirblock_info +*/ + +#define DX_DIRBLOCK_ROOT 1 +#define DX_DIRBLOCK_LEAF 2 +#define DX_DIRBLOCK_NODE 3 +#define DX_DIRBLOCK_CORRUPT 4 +#define DX_DIRBLOCK_CLEARED 8 + + +/* +The following defines are used in the 'flags' field of a dx_dirblock_info +*/ +#define DX_FLAG_REFERENCED 1 +#define DX_FLAG_DUP_REF 2 +#define DX_FLAG_FIRST 4 +#define DX_FLAG_LAST 8 + +#ifdef RESOURCE_TRACK +/* + * This structure is used for keeping track of how much resources have + * been used for a particular pass of e2fsck. + */ +struct resource_track { + struct timeval time_start; + struct timeval user_start; + struct timeval system_start; + void *brk_start; +}; +#endif + +/* + * E2fsck options + */ +#define E2F_OPT_READONLY 0x0001 +#define E2F_OPT_PREEN 0x0002 +#define E2F_OPT_YES 0x0004 +#define E2F_OPT_NO 0x0008 +#define E2F_OPT_TIME 0x0010 +#define E2F_OPT_TIME2 0x0020 +#define E2F_OPT_CHECKBLOCKS 0x0040 +#define E2F_OPT_DEBUG 0x0080 +#define E2F_OPT_FORCE 0x0100 +#define E2F_OPT_WRITECHECK 0x0200 +#define E2F_OPT_COMPRESS_DIRS 0x0400 + +/* + * E2fsck flags + */ +#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ +#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ +#define E2F_FLAG_SIGNAL_MASK 0x0003 +#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ + +#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ + +#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ +#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ +#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ +#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly + * specified by the user */ +#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */ +#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */ + +/* + * Defines for indicating the e2fsck pass number + */ +#define E2F_PASS_1 1 +#define E2F_PASS_2 2 +#define E2F_PASS_3 3 +#define E2F_PASS_4 4 +#define E2F_PASS_5 5 +#define E2F_PASS_1B 6 + +/*Don't know where these come from*/ +#define READ 0 +#define WRITE 1 +#define KERN_ERR "" +#define KERN_DEBUG "" +#define cpu_to_be32(n) htonl(n) +#define be32_to_cpu(n) ntohl(n) + + +/* + * The directory information structure; stores directory information + * collected in earlier passes, to avoid disk i/o in fetching the + * directory information. + */ +struct dir_info { + ext2_ino_t ino; /* Inode number */ + ext2_ino_t dotdot; /* Parent according to '..' */ + ext2_ino_t parent; /* Parent according to treewalk */ +}; + + + +/* + * The indexed directory information structure; stores information for + * directories which contain a hash tree index. + */ +struct dx_dir_info { + ext2_ino_t ino; /* Inode number */ + int numblocks; /* number of blocks */ + int hashversion; + short depth; /* depth of tree */ + struct dx_dirblock_info *dx_block; /* Array of size numblocks */ +}; + +/* + * Define the extended attribute refcount structure + */ +typedef struct ea_refcount *ext2_refcount_t; + +struct e2fsck_struct { + ext2_filsys fs; + const char *program_name; + char *filesystem_name; + char *device_name; + char *io_options; + int flags; /* E2fsck internal flags */ + int options; + blk_t use_superblock; /* sb requested by user */ + blk_t superblock; /* sb used to open fs */ + int blocksize; /* blocksize */ + blk_t num_blocks; /* Total number of blocks */ + int mount_flags; + blkid_cache blkid; /* blkid cache */ + + jmp_buf abort_loc; + + unsigned long abort_code; + + int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, + unsigned long max); + + ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */ + ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */ + ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */ + ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */ + ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */ + ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/ + + ext2fs_block_bitmap block_found_map; /* Blocks which are in use */ + ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ + ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ + + /* + * Inode count arrays + */ + ext2_icount_t inode_count; + ext2_icount_t inode_link_info; + + ext2_refcount_t refcount; + ext2_refcount_t refcount_extra; + + /* + * Array of flags indicating whether an inode bitmap, block + * bitmap, or inode table is invalid + */ + int *invalid_inode_bitmap_flag; + int *invalid_block_bitmap_flag; + int *invalid_inode_table_flag; + int invalid_bitmaps; /* There are invalid bitmaps/itable */ + + /* + * Block buffer + */ + char *block_buf; + + /* + * For pass1_check_directory and pass1_get_blocks + */ + ext2_ino_t stashed_ino; + struct ext2_inode *stashed_inode; + + /* + * Location of the lost and found directory + */ + ext2_ino_t lost_and_found; + int bad_lost_and_found; + + /* + * Directory information + */ + int dir_info_count; + int dir_info_size; + struct dir_info *dir_info; + + /* + * Indexed directory information + */ + int dx_dir_info_count; + int dx_dir_info_size; + struct dx_dir_info *dx_dir_info; + + /* + * Directories to hash + */ + ext2_u32_list dirs_to_hash; + + /* + * Tuning parameters + */ + int process_inode_size; + int inode_buffer_blocks; + + /* + * ext3 journal support + */ + io_channel journal_io; + char *journal_name; + +#ifdef RESOURCE_TRACK + /* + * For timing purposes + */ + struct resource_track global_rtrack; +#endif + + /* + * How we display the progress update (for unix) + */ + int progress_fd; + int progress_pos; + int progress_last_percent; + unsigned int progress_last_time; + int interactive; /* Are we connected directly to a tty? */ + char start_meta[2], stop_meta[2]; + + /* File counts */ + int fs_directory_count; + int fs_regular_count; + int fs_blockdev_count; + int fs_chardev_count; + int fs_links_count; + int fs_symlinks_count; + int fs_fast_symlinks_count; + int fs_fifo_count; + int fs_total_count; + int fs_badblocks_count; + int fs_sockets_count; + int fs_ind_count; + int fs_dind_count; + int fs_tind_count; + int fs_fragmented; + int large_files; + int fs_ext_attr_inodes; + int fs_ext_attr_blocks; + + int ext_attr_ver; + + /* + * For the use of callers of the e2fsck functions; not used by + * e2fsck functions themselves. + */ + void *priv_data; +}; + + + +static inline int tid_gt(tid_t x, tid_t y) +{ + int difference = (x - y); + return (difference > 0); +} + +static inline int tid_geq(tid_t x, tid_t y) +{ + int difference = (x - y); + return (difference >= 0); +} + + |