Ext2fs cleanup from Garrett Kajmowicz.

1 files changed, 351 insertions, 0 deletions

diff --git a/e2fsprogs/e2fsck.h b/e2fsprogs/e2fsck.h
new file mode 100644
index 000000000..1d292b937
--- /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);
+}
+
+