remove e2fsprogs. Nobody volunteered to clean up that mess

1 files changed, 0 insertions, 381 deletions

diff --git a/e2fsprogs/ext2fs/closefs.c b/e2fsprogs/ext2fs/closefs.c
deleted file mode 100644
index 008d5f3..0000000
--- a/e2fsprogs/ext2fs/closefs.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * closefs.c --- close an ext2 filesystem
- *
- * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
- *
- * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
- * %End-Header%
- */
-
-#include <stdio.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <time.h>
-#include <string.h>
-
-#include "ext2_fs.h"
-#include "ext2fsP.h"
-
-static int test_root(int a, int b)
-{
-	if (a == 0)
-		return 1;
-	while (1) {
-		if (a == 1)
-			return 1;
-		if (a % b)
-			return 0;
-		a = a / b;
-	}
-}
-
-int ext2fs_bg_has_super(ext2_filsys fs, int group_block)
-{
-	if (!(fs->super->s_feature_ro_compat &
-	      EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER))
-		return 1;
-
-	if (test_root(group_block, 3) || (test_root(group_block, 5)) ||
-	    test_root(group_block, 7))
-		return 1;
-
-	return 0;
-}
-
-int ext2fs_super_and_bgd_loc(ext2_filsys fs,
-			     dgrp_t group,
-			     blk_t *ret_super_blk,
-			     blk_t *ret_old_desc_blk,
-			     blk_t *ret_new_desc_blk,
-			     int *ret_meta_bg)
-{
-	blk_t	group_block, super_blk = 0, old_desc_blk = 0, new_desc_blk = 0;
-	unsigned int meta_bg, meta_bg_size;
-	int	numblocks, has_super;
-	int	old_desc_blocks;
-
-	group_block = fs->super->s_first_data_block +
-		(group * fs->super->s_blocks_per_group);
-
-	if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
-		old_desc_blocks = fs->super->s_first_meta_bg;
-	else
-		old_desc_blocks =
-			fs->desc_blocks + fs->super->s_reserved_gdt_blocks;
-
-	if (group == fs->group_desc_count-1) {
-		numblocks = (fs->super->s_blocks_count -
-			     fs->super->s_first_data_block) %
-			fs->super->s_blocks_per_group;
-		if (!numblocks)
-			numblocks = fs->super->s_blocks_per_group;
-	} else
-		numblocks = fs->super->s_blocks_per_group;
-
-	has_super = ext2fs_bg_has_super(fs, group);
-
-	if (has_super) {
-		super_blk = group_block;
-		numblocks--;
-	}
-	meta_bg_size = (fs->blocksize / sizeof (struct ext2_group_desc));
-	meta_bg = group / meta_bg_size;
-
-	if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) ||
-	    (meta_bg < fs->super->s_first_meta_bg)) {
-		if (has_super) {
-			old_desc_blk = group_block + 1;
-			numblocks -= old_desc_blocks;
-		}
-	} else {
-		if (((group % meta_bg_size) == 0) ||
-		    ((group % meta_bg_size) == 1) ||
-		    ((group % meta_bg_size) == (meta_bg_size-1))) {
-			if (has_super)
-				has_super = 1;
-			new_desc_blk = group_block + has_super;
-			numblocks--;
-		}
-	}
-
-	numblocks -= 2 + fs->inode_blocks_per_group;
-
-	if (ret_super_blk)
-		*ret_super_blk = super_blk;
-	if (ret_old_desc_blk)
-		*ret_old_desc_blk = old_desc_blk;
-	if (ret_new_desc_blk)
-		*ret_new_desc_blk = new_desc_blk;
-	if (ret_meta_bg)
-		*ret_meta_bg = meta_bg;
-	return numblocks;
-}
-
-
-/*
- * This function forces out the primary superblock.  We need to only
- * write out those fields which we have changed, since if the
- * filesystem is mounted, it may have changed some of the other
- * fields.
- *
- * It takes as input a superblock which has already been byte swapped
- * (if necessary).
- *
- */
-static errcode_t write_primary_superblock(ext2_filsys fs,
-					  struct ext2_super_block *super)
-{
-	__u16		*old_super, *new_super;
-	int		check_idx, write_idx, size;
-	errcode_t	retval;
-
-	if (!fs->io->manager->write_byte || !fs->orig_super) {
-		io_channel_set_blksize(fs->io, SUPERBLOCK_OFFSET);
-		retval = io_channel_write_blk(fs->io, 1, -SUPERBLOCK_SIZE,
-					      super);
-		io_channel_set_blksize(fs->io, fs->blocksize);
-		return retval;
-	}
-
-	old_super = (__u16 *) fs->orig_super;
-	new_super = (__u16 *) super;
-
-	for (check_idx = 0; check_idx < SUPERBLOCK_SIZE/2; check_idx++) {
-		if (old_super[check_idx] == new_super[check_idx])
-			continue;
-		write_idx = check_idx;
-		for (check_idx++; check_idx < SUPERBLOCK_SIZE/2; check_idx++)
-			if (old_super[check_idx] == new_super[check_idx])
-				break;
-		size = 2 * (check_idx - write_idx);
-		retval = io_channel_write_byte(fs->io,
-			       SUPERBLOCK_OFFSET + (2 * write_idx), size,
-					       new_super + write_idx);
-		if (retval)
-			return retval;
-	}
-	memcpy(fs->orig_super, super, SUPERBLOCK_SIZE);
-	return 0;
-}
-
-
-/*
- * Updates the revision to EXT2_DYNAMIC_REV
- */
-void ext2fs_update_dynamic_rev(ext2_filsys fs)
-{
-	struct ext2_super_block *sb = fs->super;
-
-	if (sb->s_rev_level > EXT2_GOOD_OLD_REV)
-		return;
-
-	sb->s_rev_level = EXT2_DYNAMIC_REV;
-	sb->s_first_ino = EXT2_GOOD_OLD_FIRST_INO;
-	sb->s_inode_size = EXT2_GOOD_OLD_INODE_SIZE;
-	/* s_uuid is handled by e2fsck already */
-	/* other fields should be left alone */
-}
-
-static errcode_t write_backup_super(ext2_filsys fs, dgrp_t group,
-				    blk_t group_block,
-				    struct ext2_super_block *super_shadow)
-{
-	dgrp_t	sgrp = group;
-
-	if (sgrp > ((1 << 16) - 1))
-		sgrp = (1 << 16) - 1;
-#if BB_BIG_ENDIAN
-	if (fs->flags & EXT2_FLAG_SWAP_BYTES)
-		super_shadow->s_block_group_nr = ext2fs_swab16(sgrp);
-	else
-#endif
-		fs->super->s_block_group_nr = sgrp;
-
-	return io_channel_write_blk(fs->io, group_block, -SUPERBLOCK_SIZE,
-				    super_shadow);
-}
-
-
-errcode_t ext2fs_flush(ext2_filsys fs)
-{
-	dgrp_t		i;
-	blk_t		group_block;
-	errcode_t	retval;
-	unsigned long	fs_state;
-	struct ext2_super_block *super_shadow = 0;
-	struct ext2_group_desc *group_shadow = 0;
-	char	*group_ptr;
-	int	old_desc_blocks;
-#if BB_BIG_ENDIAN
-	dgrp_t		j;
-	struct ext2_group_desc *s, *t;
-#endif
-
-	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
-
-	fs_state = fs->super->s_state;
-
-	fs->super->s_wtime = time(NULL);
-	fs->super->s_block_group_nr = 0;
-#if BB_BIG_ENDIAN
-	if (fs->flags & EXT2_FLAG_SWAP_BYTES) {
-		retval = EXT2_ET_NO_MEMORY;
-		retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &super_shadow);
-		if (retval)
-			goto errout;
-		retval = ext2fs_get_mem((size_t)(fs->blocksize *
-						 fs->desc_blocks),
-					&group_shadow);
-		if (retval)
-			goto errout;
-		memset(group_shadow, 0, (size_t) fs->blocksize *
-		       fs->desc_blocks);
-
-		/* swap the group descriptors */
-		for (j=0, s=fs->group_desc, t=group_shadow;
-		     j < fs->group_desc_count; j++, t++, s++) {
-			*t = *s;
-			ext2fs_swap_group_desc(t);
-		}
-	} else {
-		super_shadow = fs->super;
-		group_shadow = fs->group_desc;
-	}
-#else
-	super_shadow = fs->super;
-	group_shadow = fs->group_desc;
-#endif
-
-	/*
-	 * If this is an external journal device, don't write out the
-	 * block group descriptors or any of the backup superblocks
-	 */
-	if (fs->super->s_feature_incompat &
-	    EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)
-		goto write_primary_superblock_only;
-
-	/*
-	 * Set the state of the FS to be non-valid.  (The state has
-	 * already been backed up earlier, and will be restored after
-	 * we write out the backup superblocks.)
-	 */
-	fs->super->s_state &= ~EXT2_VALID_FS;
-#if BB_BIG_ENDIAN
-	if (fs->flags & EXT2_FLAG_SWAP_BYTES) {
-		*super_shadow = *fs->super;
-		ext2fs_swap_super(super_shadow);
-	}
-#endif
-
-	/*
-	 * Write out the master group descriptors, and the backup
-	 * superblocks and group descriptors.
-	 */
-	group_block = fs->super->s_first_data_block;
-	group_ptr = (char *) group_shadow;
-	if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
-		old_desc_blocks = fs->super->s_first_meta_bg;
-	else
-		old_desc_blocks = fs->desc_blocks;
-
-	for (i = 0; i < fs->group_desc_count; i++) {
-		blk_t	super_blk, old_desc_blk, new_desc_blk;
-		int	meta_bg;
-
-		ext2fs_super_and_bgd_loc(fs, i, &super_blk, &old_desc_blk,
-					 &new_desc_blk, &meta_bg);
-
-		if (!(fs->flags & EXT2_FLAG_MASTER_SB_ONLY) &&i && super_blk) {
-			retval = write_backup_super(fs, i, super_blk,
-						    super_shadow);
-			if (retval)
-				goto errout;
-		}
-		if (fs->flags & EXT2_FLAG_SUPER_ONLY)
-			continue;
-		if ((old_desc_blk) &&
-		    (!(fs->flags & EXT2_FLAG_MASTER_SB_ONLY) || (i == 0))) {
-			retval = io_channel_write_blk(fs->io,
-			      old_desc_blk, old_desc_blocks, group_ptr);
-			if (retval)
-				goto errout;
-		}
-		if (new_desc_blk) {
-			retval = io_channel_write_blk(fs->io, new_desc_blk,
-				1, group_ptr + (meta_bg*fs->blocksize));
-			if (retval)
-				goto errout;
-		}
-	}
-	fs->super->s_block_group_nr = 0;
-	fs->super->s_state = fs_state;
-#if BB_BIG_ENDIAN
-	if (fs->flags & EXT2_FLAG_SWAP_BYTES) {
-		*super_shadow = *fs->super;
-		ext2fs_swap_super(super_shadow);
-	}
-#endif
-
-	/*
-	 * If the write_bitmaps() function is present, call it to
-	 * flush the bitmaps.  This is done this way so that a simple
-	 * program that doesn't mess with the bitmaps doesn't need to
-	 * drag in the bitmaps.c code.
-	 */
-	if (fs->write_bitmaps) {
-		retval = fs->write_bitmaps(fs);
-		if (retval)
-			goto errout;
-	}
-
-write_primary_superblock_only:
-	/*
-	 * Write out master superblock.  This has to be done
-	 * separately, since it is located at a fixed location
-	 * (SUPERBLOCK_OFFSET).  We flush all other pending changes
-	 * out to disk first, just to avoid a race condition with an
-	 * insy-tinsy window....
-	 */
-	retval = io_channel_flush(fs->io);
-	retval = write_primary_superblock(fs, super_shadow);
-	if (retval)
-		goto errout;
-
-	fs->flags &= ~EXT2_FLAG_DIRTY;
-
-	retval = io_channel_flush(fs->io);
-errout:
-	fs->super->s_state = fs_state;
-	if (fs->flags & EXT2_FLAG_SWAP_BYTES) {
-		if (super_shadow)
-			ext2fs_free_mem(&super_shadow);
-		if (group_shadow)
-			ext2fs_free_mem(&group_shadow);
-	}
-	return retval;
-}
-
-errcode_t ext2fs_close(ext2_filsys fs)
-{
-	errcode_t	retval;
-
-	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
-
-	if (fs->flags & EXT2_FLAG_DIRTY) {
-		retval = ext2fs_flush(fs);
-		if (retval)
-			return retval;
-	}
-	if (fs->write_bitmaps) {
-		retval = fs->write_bitmaps(fs);
-		if (retval)
-			return retval;
-	}
-	ext2fs_free(fs);
-	return 0;
-}
-