Ext2fs cleanup from Garrett Kajmowicz.

8 files changed, 451 insertions, 1228 deletions

diff --git a/e2fsprogs/e2fsck.c b/e2fsprogs/e2fsck.c
index fb1e772a4..52069fe60 100644
--- a/e2fsprogs/e2fsck.c
+++ b/e2fsprogs/e2fsck.c
@@ -35,40 +35,8 @@
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE 1 /* get strnlen() */
 #endif
-#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 "fsck.h"
-
-#include "ext2fs/ext2_fs.h"
-#include "ext2fs/ext2fs.h"
-#include "blkid/blkid.h"
-#include "ext2fs/ext2_ext_attr.h"
-#include "uuid/uuid.h"
+
+#include "e2fsck.h"	/*Put all of our defines here to clean things up*/
 
 #ifdef __GNUC__
 #define _INLINE_ __inline__
@@ -79,274 +47,6 @@
 #endif
 
 /*
- * The last ext2fs revision level that this version of e2fsck is able to
- * support
- */
-#define E2FSCK_CURRENT_REV      1
-
-/*
- * 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 DX_DIRBLOCK_ROOT        1
-#define DX_DIRBLOCK_LEAF        2
-#define DX_DIRBLOCK_NODE        3
-#define DX_DIRBLOCK_CORRUPT     4
-#define DX_DIRBLOCK_CLEARED     8
-
-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;
-};
-
-#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
-
-
-/*
- * This is the global e2fsck structure.
- */
-typedef struct e2fsck_struct *e2fsck_t;
-
-/*
- * 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;
-};
-
-/* Used by the region allocation code */
-typedef __u32 region_addr_t;
-typedef struct region_struct *region_t;
-
-/*
  * Procedure declarations
  */
 
@@ -395,6 +95,8 @@ static blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
 static void e2fsck_clear_progbar(e2fsck_t ctx);
 static int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
 				  float percent, unsigned int dpynum);
+
+
 /*
  * problem.h --- e2fsck problem error codes
  */
@@ -1349,7 +1051,6 @@ typedef struct dict_load_t {
  * Pull in the definition of the e2fsck context structure
  */
 
-
 struct buffer_head {
 	char            b_data[8192];
 	e2fsck_t        b_ctx;
@@ -1361,22 +1062,10 @@ struct buffer_head {
 	int             b_err;
 };
 
-struct inode {
-	e2fsck_t        i_ctx;
-	ext2_ino_t      i_ino;
-	struct ext2_inode i_ext2;
-};
-
-struct kdev_s {
-	e2fsck_t        k_ctx;
-	int             k_dev;
-};
 
 #define K_DEV_FS        1
 #define K_DEV_JOURNAL   2
 
-typedef struct kdev_s *kdev_t;
-
 #define lock_buffer(bh) do {} while(0)
 #define unlock_buffer(bh) do {} while(0)
 #define buffer_req(bh) 1
@@ -1411,11 +1100,6 @@ static _INLINE_ void do_cache_destroy(kmem_cache_t *cache)
 }
 
 /*
- * Now pull in the real linux/jfs.h definitions.
- */
-#include "ext2fs/kernel-jbd.h"
-
-/*
  * badblocks.c --- replace/append bad blocks to the bad block inode
  */
 
@@ -2720,11 +2404,6 @@ static void ehandler_init(io_channel channel)
 
 #define MNT_FL (MS_MGC_VAL | MS_RDONLY)
 
-
-#ifdef __CONFIG_JBD_DEBUG__E2FS         /* Enabled by configure --enable-jfs-debug */
-static int bh_count = 0;
-#endif
-
 /*
  * Define USE_INODE_IO to use the inode_io.c / fileio.c codepaths.
  * This creates a larger static binary, and a smaller binary using
@@ -2768,9 +2447,6 @@ static struct buffer_head *getblk(kdev_t kdev, blk_t blocknr, int blocksize)
 	if (!bh)
 		return NULL;
 
-	jfs_debug(4, "getblk for block %lu (%d bytes)(total %d)\n",
-		  (unsigned long) blocknr, blocksize, ++bh_count);
-
 	bh->b_ctx = kdev->k_ctx;
 	if (kdev->k_dev == K_DEV_FS)
 		bh->b_io = kdev->k_ctx->fs->io;
@@ -2802,8 +2478,6 @@ static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[])
 	for (; nr > 0; --nr) {
 		bh = *bhp++;
 		if (rw == READ && !bh->b_uptodate) {
-			jfs_debug(3, "reading block %lu/%p\n",
-				  (unsigned long) bh->b_blocknr, (void *) bh);
 			retval = io_channel_read_blk(bh->b_io,
 						     bh->b_blocknr,
 						     1, bh->b_data);
@@ -2816,8 +2490,6 @@ static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[])
 			}
 			bh->b_uptodate = 1;
 		} else if (rw == WRITE && bh->b_dirty) {
-			jfs_debug(3, "writing block %lu/%p\n",
-				  (unsigned long) bh->b_blocknr, (void *) bh);
 			retval = io_channel_write_blk(bh->b_io,
 						      bh->b_blocknr,
 						      1, bh->b_data);
@@ -2830,10 +2502,6 @@ static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[])
 			}
 			bh->b_dirty = 0;
 			bh->b_uptodate = 1;
-		} else {
-			jfs_debug(3, "no-op %s for block %lu\n",
-				  rw == READ ? "read" : "write",
-				  (unsigned long) bh->b_blocknr);
 		}
 	}
 }
@@ -2852,8 +2520,6 @@ static void brelse(struct buffer_head *bh)
 {
 	if (bh->b_dirty)
 		ll_rw_block(WRITE, 1, &bh);
-	jfs_debug(3, "freeing block %lu/%p (total %d)\n",
-		  (unsigned long) bh->b_blocknr, (void *) bh, --bh_count);
 	ext2fs_free_mem(&bh);
 }
 
@@ -3012,14 +2678,9 @@ static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t **ret_journal)
 			return EXT2_ET_LOAD_EXT_JOURNAL;
 		}
 
-		jfs_debug(1, "Using journal file %s\n", journal_name);
 		io_ptr = unix_io_manager;
 	}
 
-#if 0
-	test_io_backing_manager = io_ptr;
-	io_ptr = test_io_manager;
-#endif
 #ifndef USE_INODE_IO
 	if (ext_journal)
 #endif
@@ -11681,13 +11342,10 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
 
 	*bhp = NULL;
 
-	J_ASSERT (offset < journal->j_maxlen);
-
 	err = journal_bmap(journal, offset, &blocknr);
 
 	if (err) {
-		printk (KERN_ERR "JBD: bad block at offset %u\n",
-			offset);
+		printf ("JBD: bad block at offset %u\n", offset);
 		return err;
 	}
 
@@ -11704,8 +11362,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
 	}
 
 	if (!buffer_uptodate(bh)) {
-		printk (KERN_ERR "JBD: Failed to read block at offset %u\n",
-			offset);
+		printf ("JBD: Failed to read block at offset %u\n", offset);
 		brelse(bh);
 		return -EIO;
 	}
@@ -11779,8 +11436,6 @@ int journal_recover(journal_t *journal)
 	 */
 
 	if (!sb->s_start) {
-		jbd_debug(1, "No recovery required, last transaction %d\n",
-			  ntohl(sb->s_sequence));
 		journal->j_transaction_sequence = ntohl(sb->s_sequence) + 1;
 		return 0;
 	}
@@ -11791,12 +11446,6 @@ int journal_recover(journal_t *journal)
 	if (!err)
 		err = do_one_pass(journal, &info, PASS_REPLAY);
 
-	jbd_debug(0, "JBD: recovery, exit status %d, "
-		  "recovered transactions %u to %u\n",
-		  err, info.start_transaction, info.end_transaction);
-	jbd_debug(0, "JBD: Replayed %d and revoked %d/%d blocks\n",
-		  info.nr_replays, info.nr_revoke_hits, info.nr_revokes);
-
 	/* Restart the log at the next transaction ID, thus invalidating
 	 * any existing commit records in the log. */
 	journal->j_transaction_sequence = ++info.end_transaction;
@@ -11837,8 +11486,6 @@ static int do_one_pass(journal_t *journal,
 	if (pass == PASS_SCAN)
 		info->start_transaction = first_commit_ID;
 
-	jbd_debug(1, "Starting recovery pass %d\n", pass);
-
 	/*
 	 * Now we walk through the log, transaction by transaction,
 	 * making sure that each transaction has a commit block in the
@@ -11861,14 +11508,10 @@ static int do_one_pass(journal_t *journal,
 			if (tid_geq(next_commit_ID, info->end_transaction))
 				break;
 
-		jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",
-			  next_commit_ID, next_log_block, journal->j_last);
-
 		/* Skip over each chunk of the transaction looking
 		 * either the next descriptor block or the final commit
 		 * record. */
 
-		jbd_debug(3, "JBD: checking block %ld\n", next_log_block);
 		err = jread(&bh, journal, next_log_block);
 		if (err)
 			goto failed;
@@ -11891,8 +11534,6 @@ static int do_one_pass(journal_t *journal,
 
 		blocktype = ntohl(tmp->h_blocktype);
 		sequence = ntohl(tmp->h_sequence);
-		jbd_debug(3, "Found magic %d, sequence %d\n",
-			  blocktype, sequence);
 
 		if (sequence != next_commit_ID) {
 			brelse(bh);
@@ -11935,14 +11576,12 @@ static int do_one_pass(journal_t *journal,
 					/* Recover what we can, but
 					 * report failure at the end. */
 					success = err;
-					printk (KERN_ERR
-						"JBD: IO error %d recovering "
+					printf ("JBD: IO error %d recovering "
 						"block %ld in log\n",
 						err, io_block);
 				} else {
 					unsigned long blocknr;
 
-					J_ASSERT(obh != NULL);
 					blocknr = ntohl(tag->t_blocknr);
 
 					/* If the block has been
@@ -11962,8 +11601,7 @@ static int do_one_pass(journal_t *journal,
 						       blocknr,
 						     journal->j_blocksize);
 					if (nbh == NULL) {
-						printk(KERN_ERR
-						       "JBD: Out of memory "
+						printf ("JBD: Out of memory "
 						       "during recovery.\n");
 						err = -ENOMEM;
 						brelse(bh);
@@ -11979,10 +11617,8 @@ static int do_one_pass(journal_t *journal,
 							htonl(JFS_MAGIC_NUMBER);
 					}
 
-					BUFFER_TRACE(nbh, "marking dirty");
 					mark_buffer_uptodate(nbh, 1);
 					mark_buffer_dirty(nbh);
-					BUFFER_TRACE(nbh, "marking uptodate");
 					++info->nr_replays;
 					/* ll_rw_block(WRITE, 1, &nbh); */
 					unlock_buffer(nbh);
@@ -12026,8 +11662,6 @@ static int do_one_pass(journal_t *journal,
 			continue;
 
 		default:
-			jbd_debug(3, "Unrecognised magic %d, end of scan.\n",
-				  blocktype);
 			goto done;
 		}
 	}
@@ -12046,7 +11680,7 @@ static int do_one_pass(journal_t *journal,
 		/* It's really bad news if different passes end up at
 		 * different places (but possible due to IO errors). */
 		if (info->end_transaction != next_commit_ID) {
-			printk (KERN_ERR "JBD: recovery pass %d ended at "
+			printf ("JBD: recovery pass %d ended at "
 				"transaction %u, expected %u\n",
 				pass, next_commit_ID, info->end_transaction);
 			if (!success)
@@ -13067,15 +12701,11 @@ int journal_init_revoke(journal_t *journal, int hash_size)
 {
 	int shift, tmp;
 
-	J_ASSERT (journal->j_revoke == NULL);
-
 	journal->j_revoke = kmem_cache_alloc(revoke_table_cache, GFP_KERNEL);
 	if (!journal->j_revoke)
 		return -ENOMEM;
 
 	/* Check that the hash_size is a power of two */
-	J_ASSERT ((hash_size & (hash_size-1)) == 0);
-
 	journal->j_revoke->hash_size = hash_size;
 
 	shift = 0;
@@ -13111,7 +12741,6 @@ void journal_destroy_revoke(journal_t *journal)
 
 	for (i=0; i<table->hash_size; i++) {
 		hash_list = &table->hash_table[i];
-		J_ASSERT (list_empty(hash_list));
 	}
 
 	free(table->hash_table);
@@ -14158,15 +13787,6 @@ static void swap_filesys(e2fsck_t ctx)
  * util.c --- miscellaneous utilities
  */
 
-#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
 
 #if 0
 void fatal_error(e2fsck_t ctx, const char *msg)
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);
+}
+
+
diff --git a/e2fsprogs/ext2fs/ext2fs_inline.c b/e2fsprogs/ext2fs/ext2fs_inline.c
index a363b1992..d670065d2 100644
--- a/e2fsprogs/ext2fs/ext2fs_inline.c
+++ b/e2fsprogs/ext2fs/ext2fs_inline.c
@@ -11,6 +11,7 @@
 
 #include "ext2fs.h"
 #include "bitops.h"
+#include <string.h>
 
 /*
  *  Allocate memory
diff --git a/e2fsprogs/ext2fs/jfs_compat.h b/e2fsprogs/ext2fs/jfs_compat.h
deleted file mode 100644
index 30ad1ef5e..000000000
--- a/e2fsprogs/ext2fs/jfs_compat.h
+++ /dev/null
@@ -1,67 +0,0 @@
-
-#ifndef _JFS_COMPAT_H
-#define _JFS_COMPAT_H
-
-#include "kernel-list.h"
-#include <errno.h>
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-
-#define printk printf
-#define KERN_ERR ""
-#define KERN_DEBUG ""
-
-#define READ 0
-#define WRITE 1
-
-#define cpu_to_be32(n) htonl(n)
-#define be32_to_cpu(n) ntohl(n)
-
-typedef unsigned int tid_t;
-typedef struct journal_s journal_t;
-
-struct buffer_head;
-struct inode;
-
-struct journal_s
-{
-	unsigned long		j_flags;
-	int			j_errno;
-	struct buffer_head *	j_sb_buffer;
-	struct journal_superblock_s *j_superblock;
-	int			j_format_version;
-	unsigned long		j_head;
-	unsigned long		j_tail;
-	unsigned long		j_free;
-	unsigned long		j_first, j_last;
-	kdev_t			j_dev;
-	kdev_t			j_fs_dev;
-	int			j_blocksize;
-	unsigned int		j_blk_offset;
-	unsigned int		j_maxlen;
-	struct inode *		j_inode;
-	tid_t			j_tail_sequence;
-	tid_t			j_transaction_sequence;
-	__u8			j_uuid[16];
-	struct jbd_revoke_table_s *j_revoke;
-};
-
-#define J_ASSERT(assert)						\
-	do { if (!(assert)) {						\
-		printf ("Assertion failure in %s() at %s line %d: "	\
-			"\"%s\"\n",					\
-			__FUNCTION__, __FILE__, __LINE__, # assert);	\
-		fatal_error(e2fsck_global_ctx, 0);			\
-	} } while (0)
-
-#define is_journal_abort(x) 0
-
-#define BUFFER_TRACE(bh, info)	do {} while (0)
-
-/* Need this so we can compile with configure --enable-gcc-wall */
-#ifdef NO_INLINE_FUNCS
-#define inline
-#endif
-
-#endif /* _JFS_COMPAT_H */
diff --git a/e2fsprogs/ext2fs/jfs_user.h b/e2fsprogs/ext2fs/jfs_user.h
deleted file mode 100644
index 3a521230e..000000000
--- a/e2fsprogs/ext2fs/jfs_user.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _JFS_USER_H
-#define _JFS_USER_H
-
-typedef unsigned short kdev_t;
-
-#include "kernel-jbd.h"
-
-#endif /* _JFS_USER_H */
diff --git a/e2fsprogs/ext2fs/kernel-jbd.h b/e2fsprogs/ext2fs/kernel-jbd.h
index 8a5de5e3e..56914ea47 100644
--- a/e2fsprogs/ext2fs/kernel-jbd.h
+++ b/e2fsprogs/ext2fs/kernel-jbd.h
@@ -16,91 +16,14 @@
 #ifndef _LINUX_JBD_H
 #define _LINUX_JBD_H
 
-#if defined(CONFIG_JBD) || defined(CONFIG_JBD_MODULE) || !defined(__KERNEL__)
-
-/* Allow this file to be included directly into e2fsprogs */
-#ifndef __KERNEL__
-#include "jfs_compat.h"
-#define JFS_DEBUG
-#define jfs_debug jbd_debug
-#else
-
-#include <linux/journal-head.h>
-#include <linux/stddef.h>
-#include <asm/semaphore.h>
-#endif
-
-#ifndef __GNUC__
-#define __FUNCTION__ ""
-#endif
-
-#define journal_oom_retry 1
-
-#ifdef __STDC__
-#ifdef __CONFIG_JBD_DEBUG__E2FS
-/*
- * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal
- * consistency checks.  By default we don't do this unless
- * __CONFIG_JBD_DEBUG__E2FS is on.
- */
-#define JBD_EXPENSIVE_CHECKING
-extern int journal_enable_debug;
-
-#define jbd_debug(n, f, a...)						\
-	do {								\
-		if ((n) <= journal_enable_debug) {			\
-			printk (KERN_DEBUG "(%s, %d): %s: ",		\
-				__FILE__, __LINE__, __FUNCTION__);	\
-			printk (f, ## a);				\
-		}							\
-	} while (0)
-#else
-#ifdef __GNUC__
-#define jbd_debug(f, a...)	/**/
-#else
-#define jbd_debug(f, ...)	/**/
-#endif
-#endif
-#else
-#define jbd_debug(x)		/* AIX doesn't do STDC */
-#endif
-
-extern void * __jbd_kmalloc (char *where, size_t size, int flags, int retry);
-#define jbd_kmalloc(size, flags) \
-	__jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
-#define jbd_rep_kmalloc(size, flags) \
-	__jbd_kmalloc(__FUNCTION__, (size), (flags), 1)
-
-#define JFS_MIN_JOURNAL_BLOCKS 1024
-
-#ifdef __KERNEL__
-typedef struct handle_s		handle_t;	/* Atomic operation type */
-typedef struct journal_s	journal_t;	/* Journal control structure */
-#endif
-
-/*
- * Internal structures used by the logging mechanism:
- */
-
-#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */
-
-/*
- * On-disk structures
- */
-
-/*
- * Descriptor block types:
- */
-
-#define JFS_DESCRIPTOR_BLOCK	1
-#define JFS_COMMIT_BLOCK	2
-#define JFS_SUPERBLOCK_V1	3
-#define JFS_SUPERBLOCK_V2	4
-#define JFS_REVOKE_BLOCK	5
+#include <sys/types.h>
+#include <linux/types.h>
+#include "ext2fs/ext2fs.h"
 
 /*
  * Standard header for all descriptor blocks:
  */
+
 typedef struct journal_header_s
 {
 	__u32		h_magic;
@@ -108,32 +31,17 @@ typedef struct journal_header_s
 	__u32		h_sequence;
 } journal_header_t;
 
-
-/*
- * The block tag: used to describe a single buffer in the journal
- */
-typedef struct journal_block_tag_s
-{
-	__u32		t_blocknr;	/* The on-disk block number */
-	__u32		t_flags;	/* See below */
-} journal_block_tag_t;
-
 /*
- * The revoke descriptor: used on disk to describe a series of blocks to
- * be revoked from the log
+ * This is the global e2fsck structure.
  */
-typedef struct journal_revoke_header_s
-{
-	journal_header_t r_header;
-	int		 r_count;	/* Count of bytes used in the block */
-} journal_revoke_header_t;
+typedef struct e2fsck_struct *e2fsck_t;
 
 
-/* Definitions for the journal tag flags word: */
-#define JFS_FLAG_ESCAPE		1	/* on-disk block is escaped */
-#define JFS_FLAG_SAME_UUID	2	/* block has same uuid as previous */
-#define JFS_FLAG_DELETED	4	/* block deleted by this transaction */
-#define JFS_FLAG_LAST_TAG	8	/* last tag in this descriptor block */
+struct inode {
+	e2fsck_t        i_ctx;
+	ext2_ino_t      i_ino;
+	struct ext2_inode i_ext2;
+};
 
 
 /*
@@ -184,6 +92,58 @@ typedef struct journal_superblock_s
 /* 0x0400 */
 } journal_superblock_t;
 
+
+extern int journal_blocks_per_page(struct inode *inode);
+extern int jbd_blocks_per_page(struct inode *inode);
+
+#define JFS_MIN_JOURNAL_BLOCKS 1024
+
+
+/*
+ * Internal structures used by the logging mechanism:
+ */
+
+#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */
+
+/*
+ * Descriptor block types:
+ */
+
+#define JFS_DESCRIPTOR_BLOCK	1
+#define JFS_COMMIT_BLOCK	2
+#define JFS_SUPERBLOCK_V1	3
+#define JFS_SUPERBLOCK_V2	4
+#define JFS_REVOKE_BLOCK	5
+
+/*
+ * The block tag: used to describe a single buffer in the journal
+ */
+typedef struct journal_block_tag_s
+{
+	__u32		t_blocknr;	/* The on-disk block number */
+	__u32		t_flags;	/* See below */
+} journal_block_tag_t;
+
+/*
+ * The revoke descriptor: used on disk to describe a series of blocks to
+ * be revoked from the log
+ */
+typedef struct journal_revoke_header_s
+{
+	journal_header_t r_header;
+	int		 r_count;	/* Count of bytes used in the block */
+} journal_revoke_header_t;
+
+
+/* Definitions for the journal tag flags word: */
+#define JFS_FLAG_ESCAPE		1	/* on-disk block is escaped */
+#define JFS_FLAG_SAME_UUID	2	/* block has same uuid as previous */
+#define JFS_FLAG_DELETED	4	/* block deleted by this transaction */
+#define JFS_FLAG_LAST_TAG	8	/* last tag in this descriptor block */
+
+
+
+
 #define JFS_HAS_COMPAT_FEATURE(j,mask)					\
 	((j)->j_format_version >= 2 &&					\
 	 ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask))))
@@ -201,581 +161,59 @@ typedef struct journal_superblock_s
 #define JFS_KNOWN_ROCOMPAT_FEATURES	0
 #define JFS_KNOWN_INCOMPAT_FEATURES	JFS_FEATURE_INCOMPAT_REVOKE
 
-#ifdef __KERNEL__
-
-#include <linux/fs.h>
-#include <linux/sched.h>
-
-#define JBD_ASSERTIONS
-#ifdef JBD_ASSERTIONS
-#define J_ASSERT(assert)						\
-do {									\
-	if (!(assert)) {						\
-		printk (KERN_EMERG					\
-			"Assertion failure in %s() at %s:%d: \"%s\"\n",	\
-			__FUNCTION__, __FILE__, __LINE__, # assert);	\
-		BUG();							\
-	}								\
-} while (0)
-
-#if defined(CONFIG_BUFFER_DEBUG)
-void buffer_assertion_failure(struct buffer_head *bh);
-#define J_ASSERT_BH(bh, expr)						\
-	do {								\
-		if (!(expr))						\
-			buffer_assertion_failure(bh);			\
-		J_ASSERT(expr);						\
-	} while (0)
-#define J_ASSERT_JH(jh, expr)	J_ASSERT_BH(jh2bh(jh), expr)
-#else
-#define J_ASSERT_BH(bh, expr)	J_ASSERT(expr)
-#define J_ASSERT_JH(jh, expr)	J_ASSERT(expr)
-#endif
-
-#else
-#define J_ASSERT(assert)
-#endif		/* JBD_ASSERTIONS */
-
-enum jbd_state_bits {
-	BH_JWrite
-	  = BH_PrivateStart,	/* 1 if being written to log (@@@ DEBUGGING) */
-	BH_Freed,		/* 1 if buffer has been freed (truncated) */
-	BH_Revoked,		/* 1 if buffer has been revoked from the log */
-	BH_RevokeValid,		/* 1 if buffer revoked flag is valid */
-	BH_JBDDirty,		/* 1 if buffer is dirty but journaled */
-};
-
-/* Return true if the buffer is one which JBD is managing */
-static inline int buffer_jbd(struct buffer_head *bh)
-{
-	return __buffer_state(bh, JBD);
-}
-
-static inline struct buffer_head *jh2bh(struct journal_head *jh)
-{
-	return jh->b_bh;
-}
-
-static inline struct journal_head *bh2jh(struct buffer_head *bh)
-{
-	return bh->b_private;
-}
-
-struct jbd_revoke_table_s;
-
-/* The handle_t type represents a single atomic update being performed
- * by some process.  All filesystem modifications made by the process go
- * through this handle.  Recursive operations (such as quota operations)
- * are gathered into a single update.
- *
- * The buffer credits field is used to account for journaled buffers
- * being modified by the running process.  To ensure that there is
- * enough log space for all outstanding operations, we need to limit the
- * number of outstanding buffers possible at any time.  When the
- * operation completes, any buffer credits not used are credited back to
- * the transaction, so that at all times we know how many buffers the
- * outstanding updates on a transaction might possibly touch. */
-
-struct handle_s
-{
-	/* Which compound transaction is this update a part of? */
-	transaction_t	      * h_transaction;
-
-	/* Number of remaining buffers we are allowed to dirty: */
-	int			h_buffer_credits;
-
-	/* Reference count on this handle */
-	int			h_ref;
+/* Comparison functions for transaction IDs: perform comparisons using
+ * modulo arithmetic so that they work over sequence number wraps. */
 
-	/* Field for caller's use to track errors through large fs
-	   operations */
-	int			h_err;
 
-	/* Flags */
-	unsigned int	h_sync:		1;	/* sync-on-close */
-	unsigned int	h_jdata:	1;	/* force data journaling */
-	unsigned int	h_aborted:	1;	/* fatal error on handle */
-};
+/*
+ * Definitions which augment the buffer_head layer
+ */
 
+/* journaling buffer types */
+#define BJ_None		0	/* Not journaled */
+#define BJ_SyncData	1	/* Normal data: flush before commit */
+#define BJ_AsyncData	2	/* writepage data: wait on it before commit */
+#define BJ_Metadata	3	/* Normal journaled metadata */
+#define BJ_Forget	4	/* Buffer superceded by this transaction */
+#define BJ_IO		5	/* Buffer is for temporary IO use */
+#define BJ_Shadow	6	/* Buffer contents being shadowed to the log */
+#define BJ_LogCtl	7	/* Buffer contains log descriptors */
+#define BJ_Reserved	8	/* Buffer is reserved for access by journal */
+#define BJ_Types	9
 
-/* The transaction_t type is the guts of the journaling mechanism.  It
- * tracks a compound transaction through its various states:
- *
- * RUNNING:	accepting new updates
- * LOCKED:	Updates still running but we don't accept new ones
- * RUNDOWN:	Updates are tidying up but have finished requesting
- *		new buffers to modify (state not used for now)
- * FLUSH:       All updates complete, but we are still writing to disk
- * COMMIT:      All data on disk, writing commit record
- * FINISHED:	We still have to keep the transaction for checkpointing.
- *
- * The transaction keeps track of all of the buffers modified by a
- * running transaction, and all of the buffers committed but not yet
- * flushed to home for finished transactions.
- */
 
-struct transaction_s
-{
-	/* Pointer to the journal for this transaction. */
-	journal_t *		t_journal;
-
-	/* Sequence number for this transaction */
-	tid_t			t_tid;
-
-	/* Transaction's current state */
-	enum {
-		T_RUNNING,
-		T_LOCKED,
-		T_RUNDOWN,
-		T_FLUSH,
-		T_COMMIT,
-		T_FINISHED
-	}			t_state;
-
-	/* Where in the log does this transaction's commit start? */
-	unsigned long		t_log_start;
-
-	/* Doubly-linked circular list of all inodes owned by this
-	   transaction */	/* AKPM: unused */
-	struct inode *		t_ilist;
-
-	/* Number of buffers on the t_buffers list */
-	int			t_nr_buffers;
-
-	/* Doubly-linked circular list of all buffers reserved but not
-	   yet modified by this transaction */
-	struct journal_head *	t_reserved_list;
-
-	/* Doubly-linked circular list of all metadata buffers owned by this
-	   transaction */
-	struct journal_head *	t_buffers;
-
-	/*
-	 * Doubly-linked circular list of all data buffers still to be
-	 * flushed before this transaction can be committed.
-	 * Protected by journal_datalist_lock.
-	 */
-	struct journal_head *	t_sync_datalist;
-
-	/*
-	 * Doubly-linked circular list of all writepage data buffers
-	 * still to be written before this transaction can be committed.
-	 * Protected by journal_datalist_lock.
-	 */
-	struct journal_head *	t_async_datalist;
-
-	/* Doubly-linked circular list of all forget buffers (superceded
-	   buffers which we can un-checkpoint once this transaction
-	   commits) */
-	struct journal_head *	t_forget;
-
-	/*
-	 * Doubly-linked circular list of all buffers still to be
-	 * flushed before this transaction can be checkpointed.
-	 */
-	/* Protected by journal_datalist_lock */
-	struct journal_head *	t_checkpoint_list;
-
-	/* Doubly-linked circular list of temporary buffers currently
-	   undergoing IO in the log */
-	struct journal_head *	t_iobuf_list;
-
-	/* Doubly-linked circular list of metadata buffers being
-	   shadowed by log IO.  The IO buffers on the iobuf list and the
-	   shadow buffers on this list match each other one for one at
-	   all times. */
-	struct journal_head *	t_shadow_list;
-
-	/* Doubly-linked circular list of control buffers being written
-	   to the log. */
-	struct journal_head *	t_log_list;
-
-	/* Number of outstanding updates running on this transaction */
-	int			t_updates;
-
-	/* Number of buffers reserved for use by all handles in this
-	 * transaction handle but not yet modified. */
-	int			t_outstanding_credits;
-
-	/*
-	 * Forward and backward links for the circular list of all
-	 * transactions awaiting checkpoint.
-	 */
-	/* Protected by journal_datalist_lock */
-	transaction_t		*t_cpnext, *t_cpprev;
-
-	/* When will the transaction expire (become due for commit), in
-	 * jiffies ? */
-	unsigned long		t_expires;
-
-	/* How many handles used this transaction? */
-	int t_handle_count;
+struct kdev_s {
+	e2fsck_t        k_ctx;
+	int             k_dev;
 };
 
-
-/* The journal_t maintains all of the journaling state information for a
- * single filesystem.  It is linked to from the fs superblock structure.
- *
- * We use the journal_t to keep track of all outstanding transaction
- * activity on the filesystem, and to manage the state of the log
- * writing process. */
+typedef struct kdev_s *kdev_t;
+typedef unsigned int tid_t;
 
 struct journal_s
 {
-	/* General journaling state flags */
 	unsigned long		j_flags;
-
-	/* Is there an outstanding uncleared error on the journal (from
-	 * a prior abort)? */
 	int			j_errno;
-
-	/* The superblock buffer */
 	struct buffer_head *	j_sb_buffer;
-	journal_superblock_t *	j_superblock;
-
-	/* Version of the superblock format */
+	struct journal_superblock_s *j_superblock;
 	int			j_format_version;
-
-	/* Number of processes waiting to create a barrier lock */
-	int			j_barrier_count;
-
-	/* The barrier lock itself */
-	struct semaphore	j_barrier;
-
-	/* Transactions: The current running transaction... */
-	transaction_t *		j_running_transaction;
-
-	/* ... the transaction we are pushing to disk ... */
-	transaction_t *		j_committing_transaction;
-
-	/* ... and a linked circular list of all transactions waiting
-	 * for checkpointing. */
-	/* Protected by journal_datalist_lock */
-	transaction_t *		j_checkpoint_transactions;
-
-	/* Wait queue for waiting for a locked transaction to start
-	   committing, or for a barrier lock to be released */
-	wait_queue_head_t	j_wait_transaction_locked;
-
-	/* Wait queue for waiting for checkpointing to complete */
-	wait_queue_head_t	j_wait_logspace;
-
-	/* Wait queue for waiting for commit to complete */
-	wait_queue_head_t	j_wait_done_commit;
-
-	/* Wait queue to trigger checkpointing */
-	wait_queue_head_t	j_wait_checkpoint;
-
-	/* Wait queue to trigger commit */
-	wait_queue_head_t	j_wait_commit;
-
-	/* Wait queue to wait for updates to complete */
-	wait_queue_head_t	j_wait_updates;
-
-	/* Semaphore for locking against concurrent checkpoints */
-	struct semaphore	j_checkpoint_sem;
-
-	/* The main journal lock, used by lock_journal() */
-	struct semaphore	j_sem;
-
-	/* Journal head: identifies the first unused block in the journal. */
 	unsigned long		j_head;
-
-	/* Journal tail: identifies the oldest still-used block in the
-	 * journal. */
 	unsigned long		j_tail;
-
-	/* Journal free: how many free blocks are there in the journal? */
 	unsigned long		j_free;
-
-	/* Journal start and end: the block numbers of the first usable
-	 * block and one beyond the last usable block in the journal. */
 	unsigned long		j_first, j_last;
-
-	/* Device, blocksize and starting block offset for the location
-	 * where we store the journal. */
 	kdev_t			j_dev;
+	kdev_t			j_fs_dev;
 	int			j_blocksize;
 	unsigned int		j_blk_offset;
-
-	/* Device which holds the client fs.  For internal journal this
-	 * will be equal to j_dev. */
-	kdev_t			j_fs_dev;
-
-	/* Total maximum capacity of the journal region on disk. */
 	unsigned int		j_maxlen;
-
-	/* Optional inode where we store the journal.  If present, all
-	 * journal block numbers are mapped into this inode via
-	 * bmap(). */
 	struct inode *		j_inode;
-
-	/* Sequence number of the oldest transaction in the log */
 	tid_t			j_tail_sequence;
-	/* Sequence number of the next transaction to grant */
 	tid_t			j_transaction_sequence;
-	/* Sequence number of the most recently committed transaction */
-	tid_t			j_commit_sequence;
-	/* Sequence number of the most recent transaction wanting commit */
-	tid_t			j_commit_request;
-
-	/* Journal uuid: identifies the object (filesystem, LVM volume
-	 * etc) backed by this journal.  This will eventually be
-	 * replaced by an array of uuids, allowing us to index multiple
-	 * devices within a single journal and to perform atomic updates
-	 * across them.  */
-
 	__u8			j_uuid[16];
-
-	/* Pointer to the current commit thread for this journal */
-	struct task_struct *	j_task;
-
-	/* Maximum number of metadata buffers to allow in a single
-	 * compound commit transaction */
-	int			j_max_transaction_buffers;
-
-	/* What is the maximum transaction lifetime before we begin a
-	 * commit? */
-	unsigned long		j_commit_interval;
-
-	/* The timer used to wakeup the commit thread: */
-	struct timer_list *	j_commit_timer;
-	int			j_commit_timer_active;
-
-	/* Link all journals together - system-wide */
-	struct list_head	j_all_journals;
-
-	/* The revoke table: maintains the list of revoked blocks in the
-	   current transaction. */
 	struct jbd_revoke_table_s *j_revoke;
 };
 
-/*
- * Journal flag definitions
- */
-#define JFS_UNMOUNT	0x001	/* Journal thread is being destroyed */
-#define JFS_ABORT	0x002	/* Journaling has been aborted for errors. */
-#define JFS_ACK_ERR	0x004	/* The errno in the sb has been acked */
-#define JFS_FLUSHED	0x008	/* The journal superblock has been flushed */
-#define JFS_LOADED	0x010	/* The journal superblock has been loaded */
-
-/*
- * Function declarations for the journaling transaction and buffer
- * management
- */
-
-/* Filing buffers */
-extern void __journal_unfile_buffer(struct journal_head *);
-extern void journal_unfile_buffer(struct journal_head *);
-extern void __journal_refile_buffer(struct journal_head *);
-extern void journal_refile_buffer(struct journal_head *);
-extern void __journal_file_buffer(struct journal_head *, transaction_t *, int);
-extern void __journal_free_buffer(struct journal_head *bh);
-extern void journal_file_buffer(struct journal_head *, transaction_t *, int);
-extern void __journal_clean_data_list(transaction_t *transaction);
-
-/* Log buffer allocation */
-extern struct journal_head * journal_get_descriptor_buffer(journal_t *);
-extern unsigned long journal_next_log_block(journal_t *);
-
-/* Commit management */
-extern void journal_commit_transaction(journal_t *);
-
-/* Checkpoint list management */
-int __journal_clean_checkpoint_list(journal_t *journal);
-extern void journal_remove_checkpoint(struct journal_head *);
-extern void __journal_remove_checkpoint(struct journal_head *);
-extern void journal_insert_checkpoint(struct journal_head *, transaction_t *);
-extern void __journal_insert_checkpoint(struct journal_head *,transaction_t *);
-
-/* Buffer IO */
-extern int
-journal_write_metadata_buffer(transaction_t	  *transaction,
-			      struct journal_head  *jh_in,
-			      struct journal_head **jh_out,
-			      int		   blocknr);
-
-/* Transaction locking */
-extern void		__wait_on_journal (journal_t *);
-
-/*
- * Journal locking.
- *
- * We need to lock the journal during transaction state changes so that
- * nobody ever tries to take a handle on the running transaction while
- * we are in the middle of moving it to the commit phase.
- *
- * Note that the locking is completely interrupt unsafe.  We never touch
- * journal structures from interrupts.
- *
- * In 2.2, the BKL was required for lock_journal.  This is no longer
- * the case.
- */
-
-static inline void lock_journal(journal_t *journal)
-{
-	down(&journal->j_sem);
-}
-
-/* This returns zero if we acquired the semaphore */
-static inline int try_lock_journal(journal_t * journal)
-{
-	return down_trylock(&journal->j_sem);
-}
-
-static inline void unlock_journal(journal_t * journal)
-{
-	up(&journal->j_sem);
-}
-
-
-static inline handle_t *journal_current_handle(void)
-{
-	return current->journal_info;
-}
-
-/* The journaling code user interface:
- *
- * Create and destroy handles
- * Register buffer modifications against the current transaction.
- */
-
-extern handle_t *journal_start(journal_t *, int nblocks);
-extern handle_t *journal_try_start(journal_t *, int nblocks);
-extern int	 journal_restart (handle_t *, int nblocks);
-extern int	 journal_extend (handle_t *, int nblocks);
-extern int	 journal_get_write_access (handle_t *, struct buffer_head *);
-extern int	 journal_get_create_access (handle_t *, struct buffer_head *);
-extern int	 journal_get_undo_access (handle_t *, struct buffer_head *);
-extern int	 journal_dirty_data (handle_t *,
-				struct buffer_head *, int async);
-extern int	 journal_dirty_metadata (handle_t *, struct buffer_head *);
-extern void	 journal_release_buffer (handle_t *, struct buffer_head *);
-extern void	 journal_forget (handle_t *, struct buffer_head *);
-extern void	 journal_sync_buffer (struct buffer_head *);
-extern int	 journal_flushpage(journal_t *, struct page *, unsigned long);
-extern int	 journal_try_to_free_buffers(journal_t *, struct page *, int);
-extern int	 journal_stop(handle_t *);
-extern int	 journal_flush (journal_t *);
-
-extern void	 journal_lock_updates (journal_t *);
-extern void	 journal_unlock_updates (journal_t *);
-
-extern journal_t * journal_init_dev(kdev_t dev, kdev_t fs_dev,
-				int start, int len, int bsize);
-extern journal_t * journal_init_inode (struct inode *);
-extern int	   journal_update_format (journal_t *);
-extern int	   journal_check_used_features
-		   (journal_t *, unsigned long, unsigned long, unsigned long);
-extern int	   journal_check_available_features
-		   (journal_t *, unsigned long, unsigned long, unsigned long);
-extern int	   journal_set_features
-		   (journal_t *, unsigned long, unsigned long, unsigned long);
-extern int	   journal_create     (journal_t *);
-extern int	   journal_load       (journal_t *journal);
-extern void	   journal_destroy    (journal_t *);
-extern int	   journal_recover    (journal_t *journal);
-extern int	   journal_wipe       (journal_t *, int);
-extern int	   journal_skip_recovery (journal_t *);
-extern void	   journal_update_superblock (journal_t *, int);
-extern void	   __journal_abort      (journal_t *);
-extern void	   journal_abort      (journal_t *, int);
-extern int	   journal_errno      (journal_t *);
-extern void	   journal_ack_err    (journal_t *);
-extern int	   journal_clear_err  (journal_t *);
-extern unsigned long journal_bmap(journal_t *journal, unsigned long blocknr);
-extern int	    journal_force_commit(journal_t *journal);
-
-/*
- * journal_head management
- */
-extern struct journal_head
-		*journal_add_journal_head(struct buffer_head *bh);
-extern void	journal_remove_journal_head(struct buffer_head *bh);
-extern void	__journal_remove_journal_head(struct buffer_head *bh);
-extern void	journal_unlock_journal_head(struct journal_head *jh);
-
-/* Primary revoke support */
-#define JOURNAL_REVOKE_DEFAULT_HASH 256
-extern int	   journal_init_revoke(journal_t *, int);
-extern void	   journal_destroy_revoke_caches(void);
-extern int	   journal_init_revoke_caches(void);
-
-extern void	   journal_destroy_revoke(journal_t *);
-extern int	   journal_revoke (handle_t *,
-				unsigned long, struct buffer_head *);
-extern int	   journal_cancel_revoke(handle_t *, struct journal_head *);
-extern void	   journal_write_revoke_records(journal_t *, transaction_t *);
-
-/* Recovery revoke support */
-extern int	   journal_set_revoke(journal_t *, unsigned long, tid_t);
-extern int	   journal_test_revoke(journal_t *, unsigned long, tid_t);
-extern void	   journal_clear_revoke(journal_t *);
-extern void	   journal_brelse_array(struct buffer_head *b[], int n);
-
-/* The log thread user interface:
- *
- * Request space in the current transaction, and force transaction commit
- * transitions on demand.
- */
-
-extern int	log_space_left (journal_t *); /* Called with journal locked */
-extern tid_t	log_start_commit (journal_t *, transaction_t *);
-extern void	log_wait_commit (journal_t *, tid_t);
-extern int	log_do_checkpoint (journal_t *, int);
-
-extern void	log_wait_for_space(journal_t *, int nblocks);
-extern void	__journal_drop_transaction(journal_t *, transaction_t *);
-extern int	cleanup_journal_tail(journal_t *);
-
-/* Reduce journal memory usage by flushing */
-extern void shrink_journal_memory(void);
-
-/* Debugging code only: */
-
-#define jbd_ENOSYS() \
-do {								      \
-	printk (KERN_ERR "JBD unimplemented function " __FUNCTION__); \
-	current->state = TASK_UNINTERRUPTIBLE;			      \
-	schedule();						      \
-} while (1)
-
-/*
- * is_journal_abort
- *
- * Simple test wrapper function to test the JFS_ABORT state flag.  This
- * bit, when set, indicates that we have had a fatal error somewhere,
- * either inside the journaling layer or indicated to us by the client
- * (eg. ext3), and that we and should not commit any further
- * transactions.
- */
-
-static inline int is_journal_aborted(journal_t *journal)
-{
-	return journal->j_flags & JFS_ABORT;
-}
-
-static inline int is_handle_aborted(handle_t *handle)
-{
-	if (handle->h_aborted)
-		return 1;
-	return is_journal_aborted(handle->h_transaction->t_journal);
-}
-
-static inline void journal_abort_handle(handle_t *handle)
-{
-	handle->h_aborted = 1;
-}
-
-/* Not all architectures define BUG() */
-#ifndef BUG
-#define BUG() do { \
-	printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
-	* ((char *) 0) = 0; \
- } while (0)
-#endif /* BUG */
-
-#else
+typedef struct journal_s journal_t;
 
 extern int	   journal_recover    (journal_t *journal);
 extern int	   journal_skip_recovery (journal_t *);
@@ -792,119 +230,6 @@ extern void	   journal_clear_revoke(journal_t *);
 extern void	   journal_brelse_array(struct buffer_head *b[], int n);
 
 extern void	   journal_destroy_revoke(journal_t *);
-#endif /* __KERNEL__   */
-
-/* Comparison functions for transaction IDs: perform comparisons using
- * modulo arithmetic so that they work over sequence number wraps. */
-
-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);
-}
-
-extern int journal_blocks_per_page(struct inode *inode);
-
-/*
- * Definitions which augment the buffer_head layer
- */
-
-/* journaling buffer types */
-#define BJ_None		0	/* Not journaled */
-#define BJ_SyncData	1	/* Normal data: flush before commit */
-#define BJ_AsyncData	2	/* writepage data: wait on it before commit */
-#define BJ_Metadata	3	/* Normal journaled metadata */
-#define BJ_Forget	4	/* Buffer superceded by this transaction */
-#define BJ_IO		5	/* Buffer is for temporary IO use */
-#define BJ_Shadow	6	/* Buffer contents being shadowed to the log */
-#define BJ_LogCtl	7	/* Buffer contains log descriptors */
-#define BJ_Reserved	8	/* Buffer is reserved for access by journal */
-#define BJ_Types	9
-
-extern int jbd_blocks_per_page(struct inode *inode);
-
-#ifdef __KERNEL__
-
-extern spinlock_t jh_splice_lock;
-/*
- * Once `expr1' has been found true, take jh_splice_lock
- * and then reevaluate everything.
- */
-#define SPLICE_LOCK(expr1, expr2)				\
-	({							\
-		int ret = (expr1);				\
-		if (ret) {					\
-			spin_lock(&jh_splice_lock);		\
-			ret = (expr1) && (expr2);		\
-			spin_unlock(&jh_splice_lock);		\
-		}						\
-		ret;						\
-	})
-
-/*
- * A number of buffer state predicates.  They test for
- * buffer_jbd() because they are used in core kernel code.
- *
- * These will be racy on SMP unless we're *sure* that the
- * buffer won't be detached from the journalling system
- * in parallel.
- */
-
-/* Return true if the buffer is on journal list `list' */
-static inline int buffer_jlist_eq(struct buffer_head *bh, int list)
-{
-	return SPLICE_LOCK(buffer_jbd(bh), bh2jh(bh)->b_jlist == list);
-}
-
-/* Return true if this bufer is dirty wrt the journal */
-static inline int buffer_jdirty(struct buffer_head *bh)
-{
-	return buffer_jbd(bh) && __buffer_state(bh, JBDDirty);
-}
-
-/* Return true if it's a data buffer which journalling is managing */
-static inline int buffer_jbd_data(struct buffer_head *bh)
-{
-	return SPLICE_LOCK(buffer_jbd(bh),
-			bh2jh(bh)->b_jlist == BJ_SyncData ||
-			bh2jh(bh)->b_jlist == BJ_AsyncData);
-}
-
-#ifdef CONFIG_SMP
-#define assert_spin_locked(lock)	J_ASSERT(spin_is_locked(lock))
-#else
-#define assert_spin_locked(lock)	do {} while(0)
-#endif
-
-#define buffer_trace_init(bh)	do {} while (0)
-#define print_buffer_fields(bh)	do {} while (0)
-#define print_buffer_trace(bh)	do {} while (0)
-#define BUFFER_TRACE(bh, info)	do {} while (0)
-#define BUFFER_TRACE2(bh, bh2, info)	do {} while (0)
-#define JBUFFER_TRACE(jh, info)	do {} while (0)
-
-#endif	/* __KERNEL__ */
-
-#endif	/* CONFIG_JBD || CONFIG_JBD_MODULE || !__KERNEL__ */
-
-/*
- * Compatibility no-ops which allow the kernel to compile without CONFIG_JBD
- * go here.
- */
-
-#if defined(__KERNEL__) && !(defined(CONFIG_JBD) || defined(CONFIG_JBD_MODULE))
 
-#define J_ASSERT(expr)			do {} while (0)
-#define J_ASSERT_BH(bh, expr)		do {} while (0)
-#define buffer_jbd(bh)			0
-#define buffer_jlist_eq(bh, val)	0
-#define journal_buffer_journal_lru(bh)	0
 
-#endif	/* defined(__KERNEL__) && !defined(CONFIG_JBD) */
 #endif	/* _LINUX_JBD_H */
diff --git a/e2fsprogs/ext2fs/mkjournal.c b/e2fsprogs/ext2fs/mkjournal.c
index 0a9ae7a4d..47a459055 100644
--- a/e2fsprogs/ext2fs/mkjournal.c
+++ b/e2fsprogs/ext2fs/mkjournal.c
@@ -34,8 +34,9 @@
 
 #include "ext2_fs.h"
 #include "../e2p/e2p.h"
+#include "../e2fsck.h"
 #include "ext2fs.h"
-#include "jfs_user.h"
+#include "kernel-jbd.h"
 
 /*
  * This function automatically sets up the journal superblock and
diff --git a/e2fsprogs/tune2fs.c b/e2fsprogs/tune2fs.c
index 2bd9a65ae..65ff445e7 100644
--- a/e2fsprogs/tune2fs.c
+++ b/e2fsprogs/tune2fs.c
@@ -39,7 +39,7 @@
 #include "ext2fs/ext2fs.h"
 #include "uuid/uuid.h"
 #include "e2p/e2p.h"
-#include "ext2fs/jfs_user.h"
+#include "ext2fs/kernel-jbd.h"
 #include "util.h"
 #include "blkid/blkid.h"