Convert uses of super->s_*_blocks_count to ext2fs_*_blocks_count()

Signed-off-by: Valerie Aurora Henson <vaurora@redhat.com>
Signed-off-by: Nick Dokos <nicholas.dokos@hp.com>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

41 files changed, 260 insertions, 247 deletions

diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 24aa664b..2d640f2c 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -256,8 +256,8 @@ void do_init_filesys(int argc, char **argv)
 		return;
 
 	memset(&param, 0, sizeof(struct ext2_super_block));
-	param.s_blocks_count = parse_ulong(argv[2], argv[0],
-					   "blocks count", &err);
+	ext2fs_blocks_count_set(&param, parse_ulong(argv[2], argv[0],
+						    "blocks count", &err));
 	if (err)
 		return;
 	retval = ext2fs_initialize(argv[1], 0, &param,
@@ -906,7 +906,7 @@ void do_dump_extents(int argc, char *argv[])
 				  current_fs->blocksize) + 1;
 	if (logical_width < 5)
 		logical_width = 5;
-	physical_width = int_log10(current_fs->super->s_blocks_count) + 1;
+	physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
 	if (physical_width < 5)
 		physical_width = 5;
 
diff --git a/debugfs/logdump.c b/debugfs/logdump.c
index 9a7108a6..971d2b34 100644
--- a/debugfs/logdump.c
+++ b/debugfs/logdump.c
@@ -368,7 +368,7 @@ static void dump_journal(char *cmdname, FILE *out_file,
 			fprintf(out_file, "\tuuid=%s\n", jsb_buffer);
 			fprintf(out_file, "\tblocksize=%d\n", blocksize);
 			fprintf(out_file, "\tjournal data size %lu\n",
-				(unsigned long) sb->s_blocks_count);
+				(unsigned long) ext2fs_blocks_count(sb));
 		}
 	}
 
diff --git a/debugfs/lsdel.c b/debugfs/lsdel.c
index 074fd165..7d9a74c4 100644
--- a/debugfs/lsdel.c
+++ b/debugfs/lsdel.c
@@ -59,7 +59,7 @@ static int lsdel_proc(ext2_filsys fs,
 	lsd->num_blocks++;
 
 	if (*block_nr < fs->super->s_first_data_block ||
-	    *block_nr >= fs->super->s_blocks_count) {
+	    *block_nr >= ext2fs_blocks_count(fs->super)) {
 		lsd->bad_blocks++;
 		return BLOCK_ABORT;
 	}
diff --git a/debugfs/unused.c b/debugfs/unused.c
index 601b065b..598d08b3 100644
--- a/debugfs/unused.c
+++ b/debugfs/unused.c
@@ -36,7 +36,7 @@ void do_dump_unused(int argc EXT2FS_ATTR((unused)), char **argv)
 		return;
 
 	for (blk=current_fs->super->s_first_data_block;
-	     blk < current_fs->super->s_blocks_count; blk++) {
+	     blk < ext2fs_blocks_count(current_fs->super); blk++) {
 		if (ext2fs_test_block_bitmap2(current_fs->block_map,blk))
 			continue;
 		retval = io_channel_read_blk64(current_fs->io, blk, 1, buf);
diff --git a/e2fsck/badblocks.c b/e2fsck/badblocks.c
index 87c69953..fa183b85 100644
--- a/e2fsck/badblocks.c
+++ b/e2fsck/badblocks.c
@@ -72,10 +72,10 @@ void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
 			goto fatal;
 		}
 	} else {
-		sprintf(buf, "badblocks -b %d -X %s%s%s %d", fs->blocksize,
+		sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 			(ctx->options & E2F_OPT_PREEN) ? "" : "-s ",
 			(ctx->options & E2F_OPT_WRITECHECK) ? "-n " : "",
-			fs->device_name, fs->super->s_blocks_count-1);
+			fs->device_name, ext2fs_blocks_count(fs->super)-1);
 		f = popen(buf, "r");
 		if (!f) {
 			com_err("read_bad_blocks_file", errno,
@@ -125,7 +125,7 @@ static int check_bb_inode_blocks(ext2_filsys fs,
 	/*
 	 * If the block number is outrageous, clear it and ignore it.
 	 */
-	if (*block_nr >= fs->super->s_blocks_count ||
+	if (*block_nr >= ext2fs_blocks_count(fs->super) ||
 	    *block_nr < fs->super->s_first_data_block) {
 		printf(_("Warning: illegal block %u found in bad block inode.  "
 			 "Cleared.\n"), *block_nr);
diff --git a/e2fsck/journal.c b/e2fsck/journal.c
index 7e30ea57..ffb1723e 100644
--- a/e2fsck/journal.c
+++ b/e2fsck/journal.c
@@ -215,7 +215,7 @@ static int process_journal_block(ext2_filsys fs,
 	p = (struct process_block_struct *) priv_data;
 
 	if (blk < fs->super->s_first_data_block ||
-	    blk >= fs->super->s_blocks_count)
+	    blk >= ext2fs_blocks_count(fs->super))
 		return BLOCK_ABORT;
 
 	if (blockcnt >= 0)
@@ -409,7 +409,7 @@ static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t **ret_journal)
 			goto errout;
 		}
 
-		journal->j_maxlen = jsuper.s_blocks_count;
+		journal->j_maxlen = ext2fs_blocks_count(&jsuper);
 		start++;
 	}
 
diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
index c12e5f81..45ec11e0 100644
--- a/e2fsck/pass1.c
+++ b/e2fsck/pass1.c
@@ -191,7 +191,7 @@ int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
 		    (extent.e_lblk != 0) ||
 		    (extent.e_len != 1) ||
 		    (extent.e_pblk < fs->super->s_first_data_block) ||
-		    (extent.e_pblk >= fs->super->s_blocks_count))
+		    (extent.e_pblk >= ext2fs_blocks_count(fs->super)))
 			goto exit_extent;
 		i = 1;
 	exit_extent:
@@ -204,7 +204,7 @@ int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
 		if ((inode->i_size >= fs->blocksize) ||
 		    (blocks != fs->blocksize >> 9) ||
 		    (inode->i_block[0] < fs->super->s_first_data_block) ||
-		    (inode->i_block[0] >= fs->super->s_blocks_count))
+		    (inode->i_block[0] >= ext2fs_blocks_count(fs->super)))
 			return 0;
 
 		for (i = 1; i < EXT2_N_BLOCKS; i++)
@@ -418,7 +418,7 @@ static void check_is_really_dir(e2fsck_t ctx, struct problem_context *pctx,
 			not_device++;
 
 		if (blk < ctx->fs->super->s_first_data_block ||
-		    blk >= ctx->fs->super->s_blocks_count ||
+		    blk >= ext2fs_blocks_count(ctx->fs->super) ||
 		    ext2fs_fast_test_block_bitmap2(ctx->block_found_map, blk))
 			return;	/* Invalid block, can't be dir */
 	}
@@ -1382,7 +1382,7 @@ static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
 	 */
 	if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) ||
 	    (blk < fs->super->s_first_data_block) ||
-	    (blk >= fs->super->s_blocks_count)) {
+	    (blk >= ext2fs_blocks_count(fs->super))) {
 		mark_inode_bad(ctx, ino);
 		return 0;
 	}
@@ -1558,7 +1558,7 @@ static int handle_htree(e2fsck_t ctx, struct problem_context *pctx,
 	if ((pctx->errcode) ||
 	    (blk == 0) ||
 	    (blk < fs->super->s_first_data_block) ||
-	    (blk >= fs->super->s_blocks_count)) {
+	    (blk >= ext2fs_blocks_count(fs->super))) {
 		if (fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
 			return 1;
 		else
@@ -1645,13 +1645,13 @@ static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
 
 		problem = 0;
 		if (extent.e_pblk < ctx->fs->super->s_first_data_block ||
-		    extent.e_pblk >= ctx->fs->super->s_blocks_count)
+		    extent.e_pblk >= ext2fs_blocks_count(ctx->fs->super))
 			problem = PR_1_EXTENT_BAD_START_BLK;
 		else if (extent.e_lblk < start_block)
 			problem = PR_1_OUT_OF_ORDER_EXTENTS;
 		else if (is_leaf &&
 			 (extent.e_pblk + extent.e_len) >
-			 ctx->fs->super->s_blocks_count)
+			 ext2fs_blocks_count(ctx->fs->super))
 			problem = PR_1_EXTENT_ENDS_BEYOND;
 
 		if (problem) {
@@ -2008,8 +2008,8 @@ static char *describe_illegal_block(ext2_filsys fs, blk_t block)
 	if (block < super) {
 		sprintf(problem, "< FIRSTBLOCK (%u)", super);
 		return(problem);
-	} else if (block >= fs->super->s_blocks_count) {
-		sprintf(problem, "> BLOCKS (%u)", fs->super->s_blocks_count);
+	} else if (block >= ext2fs_blocks_count(fs->super)) {
+		sprintf(problem, "> BLOCKS (%u)", ext2fs_blocks_count(fs->super));
 		return(problem);
 	}
 	for (i = 0; i < fs->group_desc_count; i++) {
@@ -2153,7 +2153,7 @@ static int process_block(ext2_filsys fs,
 		problem = PR_1_TOOBIG_SYMLINK;
 
 	if (blk < fs->super->s_first_data_block ||
-	    blk >= fs->super->s_blocks_count)
+	    blk >= ext2fs_blocks_count(fs->super))
 		problem = PR_1_ILLEGAL_BLOCK_NUM;
 
 	if (problem) {
@@ -2241,7 +2241,7 @@ static int process_bad_block(ext2_filsys fs,
 	pctx->blkcount = blockcnt;
 
 	if ((blk < fs->super->s_first_data_block) ||
-	    (blk >= fs->super->s_blocks_count)) {
+	    (blk >= ext2fs_blocks_count(fs->super))) {
 		if (fix_problem(ctx, PR_1_BB_ILLEGAL_BLOCK_NUM, pctx)) {
 			*block_nr = 0;
 			return BLOCK_CHANGED;
@@ -2415,7 +2415,7 @@ static void new_table_block(e2fsck_t ctx, blk_t first_block, int group,
 	if (is_flexbg && (pctx.errcode == EXT2_ET_BLOCK_ALLOC_FAIL))
 		pctx.errcode = ext2fs_get_free_blocks2(fs,
 				fs->super->s_first_data_block,
-				fs->super->s_blocks_count,
+				ext2fs_blocks_count(fs->super),
 				num, ctx->block_found_map, new_block);
 	if (pctx.errcode) {
 		pctx.num = num;
diff --git a/e2fsck/pass2.c b/e2fsck/pass2.c
index 51b7fad4..067a9c71 100644
--- a/e2fsck/pass2.c
+++ b/e2fsck/pass2.c
@@ -1165,7 +1165,7 @@ static int deallocate_inode_block(ext2_filsys fs,
 	if (HOLE_BLKADDR(*block_nr))
 		return 0;
 	if ((*block_nr < fs->super->s_first_data_block) ||
-	    (*block_nr >= fs->super->s_blocks_count))
+	    (*block_nr >= ext2fs_blocks_count(fs->super)))
 		return 0;
 	ext2fs_unmark_block_bitmap2(ctx->block_found_map, *block_nr);
 	ext2fs_block_alloc_stats(fs, *block_nr, -1);
@@ -1365,7 +1365,7 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
 
 	if (ext2fs_file_acl_block(&inode) &&
 	    ((ext2fs_file_acl_block(&inode) < fs->super->s_first_data_block) ||
-	     (ext2fs_file_acl_block(&inode) >= fs->super->s_blocks_count))) {
+	     (ext2fs_file_acl_block(&inode) >= ext2fs_blocks_count(fs->super)))) {
 		if (fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
 			ext2fs_file_acl_block_set(&inode, 0);
 			inode_modified++;
diff --git a/e2fsck/pass5.c b/e2fsck/pass5.c
index c27989ab..be5a2412 100644
--- a/e2fsck/pass5.c
+++ b/e2fsck/pass5.c
@@ -127,11 +127,11 @@ static void check_block_bitmaps(e2fsck_t ctx)
 
 	if ((fs->super->s_first_data_block <
 	     ext2fs_get_block_bitmap_start2(ctx->block_found_map)) ||
-	    (fs->super->s_blocks_count-1 >
+	    (ext2fs_blocks_count(fs->super)-1 >
 	     ext2fs_get_block_bitmap_end2(ctx->block_found_map))) {
 		pctx.num = 1;
 		pctx.blk = fs->super->s_first_data_block;
-		pctx.blk2 = fs->super->s_blocks_count -1;
+		pctx.blk2 = ext2fs_blocks_count(fs->super) -1;
 		pctx.ino = ext2fs_get_block_bitmap_start2(ctx->block_found_map);
 		pctx.ino2 = ext2fs_get_block_bitmap_end2(ctx->block_found_map);
 		fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
@@ -142,11 +142,11 @@ static void check_block_bitmaps(e2fsck_t ctx)
 
 	if ((fs->super->s_first_data_block <
 	     ext2fs_get_block_bitmap_start2(fs->block_map)) ||
-	    (fs->super->s_blocks_count-1 >
+	    (ext2fs_blocks_count(fs->super)-1 >
 	     ext2fs_get_block_bitmap_end2(fs->block_map))) {
 		pctx.num = 2;
 		pctx.blk = fs->super->s_first_data_block;
-		pctx.blk2 = fs->super->s_blocks_count -1;
+		pctx.blk2 = ext2fs_blocks_count(fs->super) -1;
 		pctx.ino = ext2fs_get_block_bitmap_start2(fs->block_map);
 		pctx.ino2 = ext2fs_get_block_bitmap_end2(fs->block_map);
 		fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
@@ -165,7 +165,7 @@ redo_counts:
 	    (ext2fs_bg_flag_test(fs, group, EXT2_BG_BLOCK_UNINIT)))
 		skip_group++;
 	for (i = fs->super->s_first_data_block;
-	     i < fs->super->s_blocks_count;
+	     i < ext2fs_blocks_count(fs->super);
 	     i++) {
 		actual = ext2fs_fast_test_block_bitmap2(ctx->block_found_map, i);
 
@@ -190,7 +190,7 @@ redo_counts:
 				cmp_block = fs->super->s_blocks_per_group;
 				if (group == (int)fs->group_desc_count - 1)
 					cmp_block =
-						fs->super->s_blocks_count %
+						ext2fs_blocks_count(fs->super) %
 						fs->super->s_blocks_per_group;
 			}
 
@@ -289,7 +289,7 @@ redo_counts:
 		}
 		blocks ++;
 		if ((blocks == fs->super->s_blocks_per_group) ||
-		    (i == fs->super->s_blocks_count-1)) {
+		    (i == ext2fs_blocks_count(fs->super)-1)) {
 			free_array[group] = group_free;
 			group ++;
 			blocks = 0;
@@ -300,7 +300,7 @@ redo_counts:
 						    fs->group_desc_count*2))
 					goto errout;
 			if (csum_flag &&
-			    (i != fs->super->s_blocks_count-1) &&
+			    (i != ext2fs_blocks_count(fs->super)-1) &&
 			    ext2fs_bg_flag_test(fs, group, 
 						EXT2_BG_BLOCK_UNINIT))
 				skip_group++;
@@ -350,13 +350,13 @@ redo_counts:
 				ext2fs_unmark_valid(fs);
 		}
 	}
-	if (free_blocks != fs->super->s_free_blocks_count) {
+	if (free_blocks != ext2fs_free_blocks_count(fs->super)) {
 		pctx.group = 0;
-		pctx.blk = fs->super->s_free_blocks_count;
+		pctx.blk = ext2fs_free_blocks_count(fs->super);
 		pctx.blk2 = free_blocks;
 
 		if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT, &pctx)) {
-			fs->super->s_free_blocks_count = free_blocks;
+			ext2fs_free_blocks_count_set(fs->super, free_blocks);
 			ext2fs_mark_super_dirty(fs);
 		} else
 			ext2fs_unmark_valid(fs);
diff --git a/e2fsck/super.c b/e2fsck/super.c
index 6b08688a..593b38ba 100644
--- a/e2fsck/super.c
+++ b/e2fsck/super.c
@@ -77,7 +77,7 @@ static int release_inode_block(ext2_filsys fs,
 		return 0;
 
 	if ((blk < fs->super->s_first_data_block) ||
-	    (blk >= fs->super->s_blocks_count)) {
+	    (blk >= ext2fs_blocks_count(fs->super))) {
 		fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_BLOCK_NUM, pctx);
 	return_abort:
 		pb->abort = 1;
@@ -376,7 +376,7 @@ void check_resize_inode(e2fsck_t ctx)
 	if ((i < EXT2_N_BLOCKS) || !blk || !inode.i_links_count ||
 	    !(inode.i_mode & LINUX_S_IFREG) ||
 	    (blk < fs->super->s_first_data_block ||
-	     blk >= fs->super->s_blocks_count)) {
+	     blk >= ext2fs_blocks_count(fs->super))) {
 	resize_inode_invalid:
 		if (fix_problem(ctx, PR_0_RESIZE_INODE_INVALID, &pctx)) {
 			memset(&inode, 0, sizeof(inode));
@@ -495,10 +495,10 @@ void check_super_block(e2fsck_t ctx)
 	 */
 	check_super_value(ctx, "inodes_count", sb->s_inodes_count,
 			  MIN_CHECK, 1, 0);
-	check_super_value(ctx, "blocks_count", sb->s_blocks_count,
+	check_super_value(ctx, "blocks_count", ext2fs_blocks_count(sb),
 			  MIN_CHECK, 1, 0);
 	check_super_value(ctx, "first_data_block", sb->s_first_data_block,
-			  MAX_CHECK, 0, sb->s_blocks_count);
+			  MAX_CHECK, 0, ext2fs_blocks_count(sb));
 	check_super_value(ctx, "log_block_size", sb->s_log_block_size,
 			  MIN_CHECK | MAX_CHECK, 0,
 			  EXT2_MAX_BLOCK_LOG_SIZE - EXT2_MIN_BLOCK_LOG_SIZE);
@@ -511,8 +511,8 @@ void check_super_block(e2fsck_t ctx)
 			  MIN_CHECK | MAX_CHECK, 8, bpg_max);
 	check_super_value(ctx, "inodes_per_group", sb->s_inodes_per_group,
 			  MIN_CHECK | MAX_CHECK, inodes_per_block, ipg_max);
-	check_super_value(ctx, "r_blocks_count", sb->s_r_blocks_count,
-			  MAX_CHECK, 0, sb->s_blocks_count / 2);
+	check_super_value(ctx, "r_blocks_count", ext2fs_r_blocks_count(sb),
+			  MAX_CHECK, 0, ext2fs_blocks_count(sb) / 2);
 	check_super_value(ctx, "reserved_gdt_blocks",
 			  sb->s_reserved_gdt_blocks, MAX_CHECK, 0,
 			  fs->blocksize/4);
@@ -533,8 +533,8 @@ void check_super_block(e2fsck_t ctx)
 	}
 
 	if ((ctx->flags & E2F_FLAG_GOT_DEVSIZE) &&
-	    (ctx->num_blocks < sb->s_blocks_count)) {
-		pctx.blk = sb->s_blocks_count;
+	    (ctx->num_blocks < ext2fs_blocks_count(sb))) {
+		pctx.blk = ext2fs_blocks_count(sb);
 		pctx.blk2 = ctx->num_blocks;
 		if (fix_problem(ctx, PR_0_FS_SIZE_WRONG, &pctx)) {
 			ctx->flags |= E2F_FLAG_ABORT;
@@ -583,7 +583,7 @@ void check_super_block(e2fsck_t ctx)
 	 * Verify the group descriptors....
 	 */
 	first_block = sb->s_first_data_block;
-	last_block = sb->s_blocks_count-1;
+	last_block = ext2fs_blocks_count(sb)-1;
 
 	csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 					       EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
@@ -702,18 +702,18 @@ void check_super_block(e2fsck_t ctx)
 	 * inodes; if the filesystem is not unmounted cleanly, the
 	 * global counts may not be accurate.
 	 */
-	if ((free_blocks != sb->s_free_blocks_count) ||
+	if ((free_blocks != ext2fs_free_blocks_count(sb)) ||
 	    (free_inodes != sb->s_free_inodes_count)) {
 		if (ctx->options & E2F_OPT_READONLY)
 			ext2fs_unmark_valid(fs);
 		else {
-			sb->s_free_blocks_count = free_blocks;
+			ext2fs_free_blocks_count_set(sb, free_blocks);
 			sb->s_free_inodes_count = free_inodes;
 			ext2fs_mark_super_dirty(fs);
 		}
 	}
 
-	if ((sb->s_free_blocks_count > sb->s_blocks_count) ||
+	if ((ext2fs_free_blocks_count(sb) > ext2fs_blocks_count(sb)) ||
 	    (sb->s_free_inodes_count > sb->s_inodes_count))
 		ext2fs_unmark_valid(fs);
 
diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index 9d08f43f..e6296028 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -113,9 +113,9 @@ static void show_stats(e2fsck_t	ctx)
 	inodes = fs->super->s_inodes_count;
 	inodes_used = (fs->super->s_inodes_count -
 		       fs->super->s_free_inodes_count);
-	blocks = fs->super->s_blocks_count;
-	blocks_used = (fs->super->s_blocks_count -
-		       fs->super->s_free_blocks_count);
+	blocks = ext2fs_blocks_count(fs->super);
+	blocks_used = (ext2fs_blocks_count(fs->super) -
+		       ext2fs_free_blocks_count(fs->super));
 
 	frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used;
 	frag_percent_file = (frag_percent_file + 5) / 10;
@@ -339,11 +339,12 @@ static void check_if_skip(e2fsck_t ctx)
 		fputs(_(", check forced.\n"), stdout);
 		return;
 	}
-	printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name,
+	printf(_("%s: clean, %u/%u files, %llu/%llu blocks"), ctx->device_name,
 	       fs->super->s_inodes_count - fs->super->s_free_inodes_count,
 	       fs->super->s_inodes_count,
-	       fs->super->s_blocks_count - fs->super->s_free_blocks_count,
-	       fs->super->s_blocks_count);
+	       ext2fs_blocks_count(fs->super) -
+	       ext2fs_free_blocks_count(fs->super),
+	       ext2fs_blocks_count(fs->super));
 	next_check = 100000;
 	if (fs->super->s_max_mnt_count > 0) {
 		next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
@@ -1331,7 +1332,7 @@ print_unsupp_features:
 	if (ctx->flags & E2F_FLAG_JOURNAL_INODE) {
 		if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
 			if (journal_size < 1024)
-				journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count);
+				journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
 			if (journal_size < 0) {
 				fs->super->s_feature_compat &=
 					~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
diff --git a/ext2ed/init.c b/ext2ed/init.c
index 41c2a398..3815ab56 100644
--- a/ext2ed/init.c
+++ b/ext2ed/init.c
@@ -370,13 +370,6 @@ void add_user_command (struct struct_commands *ptr,char *name,char *description,
 	ptr->callback [num]=callback;
 }
 
-static unsigned int div_ceil(unsigned int a, unsigned int b)
-{
-	if (!a)
-		return 0;
-	return ((a - 1) / b) + 1;
-}
-
 int set_file_system_info (void)
 
 {
@@ -422,13 +415,13 @@ int set_file_system_info (void)
 			file_system_info.first_group_desc_offset=2*EXT2_MIN_BLOCK_SIZE;
 		else
 			file_system_info.first_group_desc_offset=file_system_info.block_size;
-		file_system_info.groups_count = div_ceil(sb->s_blocks_count,
+		file_system_info.groups_count = ext2fs_div64_ceil(ext2fs_blocks_count(sb),
 						 sb->s_blocks_per_group);
 
 		file_system_info.inodes_per_block=file_system_info.block_size/sizeof (struct ext2_inode);
 		file_system_info.blocks_per_group=sb->s_inodes_per_group/file_system_info.inodes_per_block;
 		file_system_info.no_blocks_in_group=sb->s_blocks_per_group;
-		file_system_info.file_system_size=(sb->s_blocks_count-1)*file_system_info.block_size;
+		file_system_info.file_system_size=(ext2fs_blocks_count(sb)-1)*file_system_info.block_size;
 	}
 
 	else {
diff --git a/ext2ed/super_com.c b/ext2ed/super_com.c
index 3d30070b..57953ab6 100644
--- a/ext2ed/super_com.c
+++ b/ext2ed/super_com.c
@@ -29,9 +29,9 @@ void type_ext2_super_block___show (char *command_line)
 
 	show (command_line);
 
-	if (super->s_blocks_count != 0) {
-		wmove (show_pad,2,40);wprintw (show_pad,"%2.2f%%",100*(float) super->s_r_blocks_count/ (float) super->s_blocks_count);
-		wmove (show_pad,3,40);wprintw (show_pad,"%2.2f%%",100*(float) super->s_free_blocks_count/ (float) super->s_blocks_count);
+	if (ext2fs_blocks_count(super) != 0) {
+		wmove (show_pad,2,40);wprintw (show_pad,"%2.2f%%",100*(float) ext2fs_r_blocks_count(super)/ (float) ext2fs_blocks_count(super));
+		wmove (show_pad,3,40);wprintw (show_pad,"%2.2f%%",100*(float) ext2fs_free_blocks_count(super)/ (float) ext2fs_blocks_count(super));
 	}
 
 	if (super->s_inodes_count != 0) {
diff --git a/lib/ext2fs/alloc.c b/lib/ext2fs/alloc.c
index 2c38bc9e..24ab05bb 100644
--- a/lib/ext2fs/alloc.c
+++ b/lib/ext2fs/alloc.c
@@ -157,7 +157,7 @@ errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal,
 		map = fs->block_map;
 	if (!map)
 		return EXT2_ET_NO_BLOCK_BITMAP;
-	if (!goal || (goal >= fs->super->s_blocks_count))
+	if (!goal || (goal >= ext2fs_blocks_count(fs->super)))
 		goal = fs->super->s_first_data_block;
 	i = goal;
 	check_block_uninit(fs, map,
@@ -175,7 +175,7 @@ errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal,
 			return 0;
 		}
 		i++;
-		if (i >= fs->super->s_blocks_count)
+		if (i >= ext2fs_blocks_count(fs->super))
 			i = fs->super->s_first_data_block;
 	} while (i != goal);
 	return EXT2_ET_BLOCK_ALLOC_FAIL;
@@ -269,7 +269,7 @@ errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, blk64_t finish,
 	if (!num)
 		num = 1;
 	do {
-		if (b+num-1 > fs->super->s_blocks_count)
+		if (b+num-1 > ext2fs_blocks_count(fs->super))
 			b = fs->super->s_first_data_block;
 		if (ext2fs_fast_test_block_bitmap_range2(map, b, num)) {
 			*ret = b;
diff --git a/lib/ext2fs/alloc_sb.c b/lib/ext2fs/alloc_sb.c
index 8bb88275..37f21404 100644
--- a/lib/ext2fs/alloc_sb.c
+++ b/lib/ext2fs/alloc_sb.c
@@ -64,7 +64,7 @@ int ext2fs_reserve_super_and_bgd(ext2_filsys fs,
 		if (fs->super->s_reserved_gdt_blocks && fs->block_map == bmap)
 			ext2fs_bg_flag_clear(fs, group, EXT2_BG_BLOCK_UNINIT);
 		for (j=0; j < old_desc_blocks; j++)
-			if (old_desc_blk + j < fs->super->s_blocks_count)
+			if (old_desc_blk + j < ext2fs_blocks_count(fs->super))
 				ext2fs_mark_block_bitmap2(bmap,
 							 old_desc_blk + j);
 	}
@@ -72,7 +72,7 @@ int ext2fs_reserve_super_and_bgd(ext2_filsys fs,
 		ext2fs_mark_block_bitmap2(bmap, new_desc_blk);
 
 	if (group == fs->group_desc_count-1) {
-		num_blocks = (fs->super->s_blocks_count -
+		num_blocks = (ext2fs_blocks_count(fs->super) -
 			     fs->super->s_first_data_block) %
 			fs->super->s_blocks_per_group;
 		if (!num_blocks)
diff --git a/lib/ext2fs/alloc_stats.c b/lib/ext2fs/alloc_stats.c
index 9180b5c5..0ea06ab2 100644
--- a/lib/ext2fs/alloc_stats.c
+++ b/lib/ext2fs/alloc_stats.c
@@ -66,7 +66,7 @@ void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse)
 	int	group = ext2fs_group_of_blk2(fs, blk);
 
 #ifndef OMIT_COM_ERR
-	if (blk >= fs->super->s_blocks_count) {
+	if (blk >= ext2fs_blocks_count(fs->super)) {
 		com_err("ext2fs_block_alloc_stats", 0,
 			"Illegal block number: %lu", (unsigned long) blk);
 		return;
diff --git a/lib/ext2fs/alloc_tables.c b/lib/ext2fs/alloc_tables.c
index 952bbcc7..94aeedae 100644
--- a/lib/ext2fs/alloc_tables.c
+++ b/lib/ext2fs/alloc_tables.c
@@ -142,7 +142,7 @@ errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
 		if (flexbg_size) {
 			dgrp_t gr = ext2fs_group_of_blk(fs, new_blk);
 			fs->group_desc[gr].bg_free_blocks_count--;
-			fs->super->s_free_blocks_count--;
+			ext2fs_free_blocks_count_add(fs->super, -1);
 			ext2fs_bg_flag_clear(fs, gr, EXT2_BG_BLOCK_UNINIT);
 			ext2fs_group_desc_csum_set(fs, gr);
 		}
@@ -170,7 +170,7 @@ errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
 		if (flexbg_size) {
 			dgrp_t gr = ext2fs_group_of_blk(fs, new_blk);
 			fs->group_desc[gr].bg_free_blocks_count--;
-			fs->super->s_free_blocks_count--;
+			ext2fs_free_blocks_count_add(fs->super, -1);
 			ext2fs_bg_flag_clear(fs, gr, EXT2_BG_BLOCK_UNINIT);
 			ext2fs_group_desc_csum_set(fs, gr);
 		}
@@ -204,7 +204,7 @@ errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
 			if (flexbg_size) {
 				dgrp_t gr = ext2fs_group_of_blk(fs, blk);
 				fs->group_desc[gr].bg_free_blocks_count--;
-				fs->super->s_free_blocks_count--;
+				ext2fs_free_blocks_count_add(fs->super, -1);
 				ext2fs_bg_flag_clear(fs, gr,
 						     EXT2_BG_BLOCK_UNINIT);
 				ext2fs_group_desc_csum_set(fs, gr);
diff --git a/lib/ext2fs/bb_inode.c b/lib/ext2fs/bb_inode.c
index bbebf6f0..f5a093dc 100644
--- a/lib/ext2fs/bb_inode.c
+++ b/lib/ext2fs/bb_inode.c
@@ -166,7 +166,7 @@ static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr,
 	/*
 	 * If the block number is outrageous, clear it and ignore it.
 	 */
-	if (*block_nr >= fs->super->s_blocks_count ||
+	if (*block_nr >= ext2fs_blocks_count(fs->super) ||
 	    *block_nr < fs->super->s_first_data_block) {
 		*block_nr = 0;
 		return BLOCK_CHANGED;
diff --git a/lib/ext2fs/block.c b/lib/ext2fs/block.c
index fc76ff20..ea3786df 100644
--- a/lib/ext2fs/block.c
+++ b/lib/ext2fs/block.c
@@ -78,7 +78,7 @@ static int block_iterate_ind(blk_t *ind_block, blk_t ref_block,
 		ctx->bcount += limit;
 		return ret;
 	}
-	if (*ind_block >= ctx->fs->super->s_blocks_count ||
+	if (*ind_block >= ext2fs_blocks_count(ctx->fs->super) ||
 	    *ind_block < ctx->fs->super->s_first_data_block) {
 		ctx->errcode = EXT2_ET_BAD_IND_BLOCK;
 		ret |= BLOCK_ERROR;
@@ -166,7 +166,7 @@ static int block_iterate_dind(blk_t *dind_block, blk_t ref_block,
 		ctx->bcount += limit*limit;
 		return ret;
 	}
-	if (*dind_block >= ctx->fs->super->s_blocks_count ||
+	if (*dind_block >= ext2fs_blocks_count(ctx->fs->super) ||
 	    *dind_block < ctx->fs->super->s_first_data_block) {
 		ctx->errcode = EXT2_ET_BAD_DIND_BLOCK;
 		ret |= BLOCK_ERROR;
@@ -252,7 +252,7 @@ static int block_iterate_tind(blk_t *tind_block, blk_t ref_block,
 		ctx->bcount += limit*limit*limit;
 		return ret;
 	}
-	if (*tind_block >= ctx->fs->super->s_blocks_count ||
+	if (*tind_block >= ext2fs_blocks_count(ctx->fs->super) ||
 	    *tind_block < ctx->fs->super->s_first_data_block) {
 		ctx->errcode = EXT2_ET_BAD_TIND_BLOCK;
 		ret |= BLOCK_ERROR;
diff --git a/lib/ext2fs/bmove.c b/lib/ext2fs/bmove.c
index 49839c63..b2f7cecd 100644
--- a/lib/ext2fs/bmove.c
+++ b/lib/ext2fs/bmove.c
@@ -50,7 +50,7 @@ static int process_block(ext2_filsys fs, blk_t	*block_nr,
 	 */
 	if (ext2fs_test_block_bitmap2(pb->reserve, block)) {
 		do {
-			if (++block >= fs->super->s_blocks_count)
+			if (++block >= ext2fs_blocks_count(fs->super))
 				block = fs->super->s_first_data_block;
 			if (block == orig) {
 				pb->error = EXT2_ET_BLOCK_ALLOC_FAIL;
diff --git a/lib/ext2fs/check_desc.c b/lib/ext2fs/check_desc.c
index 99b1ae4f..3ce38e68 100644
--- a/lib/ext2fs/check_desc.c
+++ b/lib/ext2fs/check_desc.c
@@ -35,7 +35,7 @@ errcode_t ext2fs_check_desc(ext2_filsys fs)
 	errcode_t retval;
 	dgrp_t i;
 	blk_t first_block = fs->super->s_first_data_block;
-	blk_t last_block = fs->super->s_blocks_count-1;
+	blk_t last_block = ext2fs_blocks_count(fs->super)-1;
 	blk_t blk, b;
 	int j;
 
@@ -54,7 +54,7 @@ errcode_t ext2fs_check_desc(ext2_filsys fs)
 			first_block = ext2fs_group_first_block(fs, i);
 			last_block = ext2fs_group_last_block(fs, i);
 			if (i == (fs->group_desc_count - 1))
-				last_block = fs->super->s_blocks_count-1;
+				last_block = ext2fs_blocks_count(fs->super)-1;
 		}
 
 		/*
diff --git a/lib/ext2fs/closefs.c b/lib/ext2fs/closefs.c
index 613908b4..c505f006 100644
--- a/lib/ext2fs/closefs.c
+++ b/lib/ext2fs/closefs.c
@@ -151,9 +151,9 @@ int ext2fs_super_and_bgd_loc(ext2_filsys fs,
 					&ret_used_blks);
 
 	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;
+		numblocks = (ext2fs_blocks_count(fs->super) -
+			     (blk64_t) fs->super->s_first_data_block) %
+			(blk64_t) fs->super->s_blocks_per_group;
 		if (!numblocks)
 			numblocks = fs->super->s_blocks_per_group;
 	} else
diff --git a/lib/ext2fs/csum.c b/lib/ext2fs/csum.c
index 39a99e4d..dca42a0f 100644
--- a/lib/ext2fs/csum.c
+++ b/lib/ext2fs/csum.c
@@ -183,7 +183,7 @@ int main(int argc, char **argv)
 	__u16 csum1, csum2, csum_known = 0xd3a4;
 
 	memset(&param, 0, sizeof(param));
-	param.s_blocks_count = 32768;
+	ext2fs_blocks_count_set(&param, 32768);
 
 	retval = ext2fs_initialize("test fs", EXT2_FLAG_64BITS, &param,
 				   test_io_manager, &fs);
diff --git a/lib/ext2fs/ext_attr.c b/lib/ext2fs/ext_attr.c
index b1025e29..9ba37b2e 100644
--- a/lib/ext2fs/ext_attr.c
+++ b/lib/ext2fs/ext_attr.c
@@ -117,7 +117,7 @@ errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk,
 	struct ext2_ext_attr_header *header;
 	char	*buf = 0;
 
-	if ((blk >= fs->super->s_blocks_count) ||
+	if ((blk >= ext2fs_blocks_count(fs->super)) ||
 	    (blk < fs->super->s_first_data_block))
 		return EXT2_ET_BAD_EA_BLOCK_NUM;
 
diff --git a/lib/ext2fs/icount.c b/lib/ext2fs/icount.c
index 52039304..bf80eb1b 100644
--- a/lib/ext2fs/icount.c
+++ b/lib/ext2fs/icount.c
@@ -744,7 +744,7 @@ static void setup(void)
 	initialize_ext2_error_table();
 
 	memset(&param, 0, sizeof(param));
-	param.s_blocks_count = 12000;
+	ext2fs_blocks_count_set(&param, 12000);
 
 	retval = ext2fs_initialize("test fs", EXT2_FLAG_64BITS, &param,
 				   test_io_manager, &test_fs);
diff --git a/lib/ext2fs/initialize.c b/lib/ext2fs/initialize.c
index 73c4fec4..edcdd72e 100644
--- a/lib/ext2fs/initialize.c
+++ b/lib/ext2fs/initialize.c
@@ -75,8 +75,8 @@ static unsigned int calc_reserved_gdt_blocks(ext2_filsys fs)
 	/* We set it at 1024x the current filesystem size, or
 	 * the upper block count limit (2^32), whichever is lower.
 	 */
-	if (sb->s_blocks_count < max_blocks / 1024)
-		max_blocks = sb->s_blocks_count * 1024;
+	if (ext2fs_blocks_count(sb) < max_blocks / 1024)
+		max_blocks = ext2fs_blocks_count(sb) * 1024;
 	rsv_groups = ext2fs_div_ceil(max_blocks - sb->s_first_data_block, bpg);
 	rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - fs->desc_blocks;
 	if (rsv_gdb > EXT2_ADDR_PER_BLOCK(sb))
@@ -108,7 +108,7 @@ errcode_t ext2fs_initialize(const char *name, int flags,
 	char		*buf = 0;
 	char		c;
 
-	if (!param || !param->s_blocks_count)
+	if (!param || !ext2fs_blocks_count(param))
 		return EXT2_ET_INVALID_ARGUMENT;
 
 	retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs);
@@ -200,9 +200,9 @@ errcode_t ext2fs_initialize(const char *name, int flags,
 		super->s_blocks_per_group = EXT2_MAX_BLOCKS_PER_GROUP(super);
 	super->s_frags_per_group = super->s_blocks_per_group * frags_per_block;
 
-	super->s_blocks_count = param->s_blocks_count;
-	super->s_r_blocks_count = param->s_r_blocks_count;
-	if (super->s_r_blocks_count >= param->s_blocks_count) {
+	ext2fs_blocks_count_set(super, ext2fs_blocks_count(param));
+	ext2fs_r_blocks_count_set(super, ext2fs_r_blocks_count(param));
+	if (ext2fs_r_blocks_count(super) >= ext2fs_blocks_count(param)) {
 		retval = EXT2_ET_INVALID_ARGUMENT;
 		goto cleanup;
 	}
@@ -219,9 +219,9 @@ errcode_t ext2fs_initialize(const char *name, int flags,
 	}
 
 retry:
-	fs->group_desc_count = ext2fs_div_ceil(super->s_blocks_count -
-					       super->s_first_data_block,
-					       EXT2_BLOCKS_PER_GROUP(super));
+	fs->group_desc_count = (blk_t) ext2fs_div64_ceil(
+		ext2fs_blocks_count(super) - super->s_first_data_block,
+		EXT2_BLOCKS_PER_GROUP(super));
 	if (fs->group_desc_count == 0) {
 		retval = EXT2_ET_TOOSMALL;
 		goto cleanup;
@@ -230,7 +230,7 @@ retry:
 					  EXT2_DESC_PER_BLOCK(super));
 
 	i = fs->blocksize >= 4096 ? 1 : 4096 / fs->blocksize;
-	set_field(s_inodes_count, super->s_blocks_count / i);
+	set_field(s_inodes_count, ext2fs_blocks_count(super) / i);
 
 	/*
 	 * Make sure we have at least EXT2_FIRST_INO + 1 inodes, so
@@ -250,7 +250,8 @@ retry:
 		if (super->s_blocks_per_group >= 256) {
 			/* Try again with slightly different parameters */
 			super->s_blocks_per_group -= 8;
-			super->s_blocks_count = param->s_blocks_count;
+			ext2fs_blocks_count_set(super,
+						ext2fs_blocks_count(param));
 			super->s_frags_per_group = super->s_blocks_per_group *
 				frags_per_block;
 			goto retry;
@@ -338,14 +339,16 @@ ipg_retry:
 	overhead = (int) (2 + fs->inode_blocks_per_group);
 	if (ext2fs_bg_has_super(fs, fs->group_desc_count - 1))
 		overhead += 1 + fs->desc_blocks + super->s_reserved_gdt_blocks;
-	rem = ((super->s_blocks_count - super->s_first_data_block) %
+	rem = ((ext2fs_blocks_count(super) - super->s_first_data_block) %
 	       super->s_blocks_per_group);
 	if ((fs->group_desc_count == 1) && rem && (rem < overhead)) {
 		retval = EXT2_ET_TOOSMALL;
 		goto cleanup;
 	}
 	if (rem && (rem < overhead+50)) {
-		super->s_blocks_count -= rem;
+		ext2fs_blocks_count_set(super, ext2fs_blocks_count(super) -
+					rem);
+
 		goto retry;
 	}
 
@@ -391,7 +394,7 @@ ipg_retry:
 	 * superblock and group descriptors (the inode tables and
 	 * bitmaps will be accounted for when allocated).
 	 */
-	super->s_free_blocks_count = 0;
+	ext2fs_free_blocks_count_set(super, 0);
 	csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 					       EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
 	for (i = 0; i < fs->group_desc_count; i++) {
@@ -413,7 +416,9 @@ ipg_retry:
 		if (fs->super->s_log_groups_per_flex)
 			numblocks += 2 + fs->inode_blocks_per_group;
 
-		super->s_free_blocks_count += numblocks;
+		ext2fs_free_blocks_count_set(super,
+					     ext2fs_free_blocks_count(super) +
+					     numblocks);
 		fs->group_desc[i].bg_free_blocks_count = numblocks;
 		fs->group_desc[i].bg_free_inodes_count =
 			fs->super->s_inodes_per_group;
diff --git a/lib/ext2fs/mkjournal.c b/lib/ext2fs/mkjournal.c
index 7c5668de..6ba11747 100644
--- a/lib/ext2fs/mkjournal.c
+++ b/lib/ext2fs/mkjournal.c
@@ -321,7 +321,7 @@ static errcode_t write_journal_inode(ext2_filsys fs, ext2_ino_t journal_ino,
 	 * the filesystem.  Pick a group that has the largest number
 	 * of free blocks.
 	 */
-	group = ext2fs_group_of_blk(fs, (fs->super->s_blocks_count -
+	group = ext2fs_group_of_blk(fs, (ext2fs_blocks_count(fs->super) -
 					 fs->super->s_first_data_block) / 2);
 	log_flex = 1 << fs->super->s_log_groups_per_flex;
 	if (fs->super->s_log_groups_per_flex && (group > log_flex)) {
diff --git a/lib/ext2fs/openfs.c b/lib/ext2fs/openfs.c
index 2d78290a..8b486176 100644
--- a/lib/ext2fs/openfs.c
+++ b/lib/ext2fs/openfs.c
@@ -54,7 +54,7 @@ blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, blk64_t group_block,
 	 */
 	if (group_block != fs->super->s_first_data_block &&
 	    ((ret_blk + fs->super->s_blocks_per_group) <
-	     fs->super->s_blocks_count))
+	     ext2fs_blocks_count(fs->super)))
 		ret_blk += fs->super->s_blocks_per_group;
 	return ret_blk;
 }
@@ -288,18 +288,18 @@ errcode_t ext2fs_open2(const char *name, const char *io_options,
 	    blocks_per_group > EXT2_MAX_BLOCKS_PER_GROUP(fs->super) ||
 	    fs->inode_blocks_per_group > EXT2_MAX_INODES_PER_GROUP(fs->super) ||
            EXT2_DESC_PER_BLOCK(fs->super) == 0 ||
-           fs->super->s_first_data_block >= fs->super->s_blocks_count) {
+           fs->super->s_first_data_block >= ext2fs_blocks_count(fs->super)) {
 		retval = EXT2_ET_CORRUPT_SUPERBLOCK;
 		goto cleanup;
 	}
-	fs->group_desc_count = ext2fs_div_ceil(fs->super->s_blocks_count -
-					       fs->super->s_first_data_block,
-					       blocks_per_group);
-       if (fs->group_desc_count * EXT2_INODES_PER_GROUP(fs->super) !=
-           fs->super->s_inodes_count) {
-               retval = EXT2_ET_CORRUPT_SUPERBLOCK;
+	fs->group_desc_count = ext2fs_div64_ceil(ext2fs_blocks_count(fs->super) -
+						 fs->super->s_first_data_block,
+						 blocks_per_group);
+	if (fs->group_desc_count * EXT2_INODES_PER_GROUP(fs->super) !=
+	    fs->super->s_inodes_count) {
+		retval = EXT2_ET_CORRUPT_SUPERBLOCK;
 		goto cleanup;
-       }
+	}
 	fs->desc_blocks = ext2fs_div_ceil(fs->group_desc_count,
 					  EXT2_DESC_PER_BLOCK(fs->super));
 	retval = ext2fs_get_array(fs->desc_blocks, fs->blocksize,
diff --git a/lib/ext2fs/rw_bitmaps.c b/lib/ext2fs/rw_bitmaps.c
index a1006186..7878be61 100644
--- a/lib/ext2fs/rw_bitmaps.c
+++ b/lib/ext2fs/rw_bitmaps.c
@@ -81,9 +81,9 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
 
 		if (i == fs->group_desc_count - 1) {
 			/* Force bitmap padding for the last group */
-			nbits = ((fs->super->s_blocks_count
-				  - fs->super->s_first_data_block)
-				 % EXT2_BLOCKS_PER_GROUP(fs->super));
+			nbits = ((ext2fs_blocks_count(fs->super)
+				  - (__u64) fs->super->s_first_data_block)
+				 % (__u64) EXT2_BLOCKS_PER_GROUP(fs->super));
 			if (nbits)
 				for (j = nbits; j < fs->blocksize * 8; j++)
 					ext2fs_set_bit(j, block_buf);
diff --git a/lib/ext2fs/tst_badblocks.c b/lib/ext2fs/tst_badblocks.c
index 358da209..72b14b7a 100644
--- a/lib/ext2fs/tst_badblocks.c
+++ b/lib/ext2fs/tst_badblocks.c
@@ -227,7 +227,7 @@ int file_test_invalid(badblocks_list bb)
 	fs->super = malloc(SUPERBLOCK_SIZE);
 	memset(fs->super, 0, SUPERBLOCK_SIZE);
 	fs->super->s_first_data_block = 1;
-	fs->super->s_blocks_count = 100;
+	ext2fs_blocks_count_set(fs->super, 100);
 
 	f = tmpfile();
 	if (!f) {
diff --git a/misc/Makefile.in b/misc/Makefile.in
index edcab83f..123922ff 100644
--- a/misc/Makefile.in
+++ b/misc/Makefile.in
@@ -127,7 +127,7 @@ profile.o:
 
 findsuper: findsuper.o
 	$(E) "	LD $@"
-	$(Q) $(CC) $(ALL_LDFLAGS) -o findsuper findsuper.o
+	$(Q) $(CC) $(ALL_LDFLAGS) -o findsuper findsuper.o $(LIBS)
 
 partinfo: partinfo.o
 	$(E) "	LD $@"
diff --git a/misc/e2freefrag.c b/misc/e2freefrag.c
index 7e6abe1d..edbe0bb0 100644
--- a/misc/e2freefrag.c
+++ b/misc/e2freefrag.c
@@ -91,7 +91,7 @@ void update_chunk_stats(struct chunk_info *info, unsigned long chunk_size)
 
 void scan_block_bitmap(ext2_filsys fs, struct chunk_info *info)
 {
-	unsigned long long blocks_count = fs->super->s_blocks_count;
+	unsigned long long blocks_count = ext2fs_blocks_count(fs->super);
 	unsigned long long chunks = (blocks_count + info->blks_in_chunk) >>
 				(info->chunkbits - info->blocksize_bits);
 	unsigned long long chunk_num;
@@ -149,15 +149,15 @@ errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info)
 
 	scan_block_bitmap(fs, info);
 
-	printf("Total blocks: %u\nFree blocks: %u (%0.1f%%)\n",
-	       fs->super->s_blocks_count, fs->super->s_free_blocks_count,
+	printf("Total blocks: %llu\nFree blocks: %u (%0.1f%%)\n",
+	       ext2fs_blocks_count(fs->super), fs->super->s_free_blocks_count,
 	       (double)fs->super->s_free_blocks_count * 100 /
-						fs->super->s_blocks_count);
+	       ext2fs_blocks_count(fs->super));
 
 	if (info->chunkbytes) {
 		printf("\nChunksize: %lu bytes (%u blocks)\n",
 		       info->chunkbytes, info->blks_in_chunk);
-		total_chunks = (fs->super->s_blocks_count +
+		total_chunks = (ext2fs_blocks_count(fs->super) +
 				info->blks_in_chunk) >>
 			(info->chunkbits - info->blocksize_bits);
 		printf("Total chunks: %lu\nFree chunks: %lu (%0.1f%%)\n",
diff --git a/misc/e2image.c b/misc/e2image.c
index abbf6410..3802c993 100644
--- a/misc/e2image.c
+++ b/misc/e2image.c
@@ -421,7 +421,7 @@ static void output_meta_data_blocks(ext2_filsys fs, int fd)
 		exit(1);
 	}
 	memset(zero_buf, 0, fs->blocksize);
-	for (blk = 0; blk < fs->super->s_blocks_count; blk++) {
+	for (blk = 0; blk < ext2fs_blocks_count(fs->super); blk++) {
 		if ((blk >= fs->super->s_first_data_block) &&
 		    ext2fs_test_block_bitmap2(meta_block_map, blk)) {
 			retval = io_channel_read_blk64(fs->io, blk, 1, buf);
diff --git a/misc/findsuper.c b/misc/findsuper.c
index fbc28a37..e793e3b1 100644
--- a/misc/findsuper.c
+++ b/misc/findsuper.c
@@ -92,6 +92,7 @@
 #include <time.h>
 
 #include "ext2fs/ext2_fs.h"
+#include "ext2fs/ext2fs.h"
 #include "nls-enable.h"
 
 #undef DEBUG
@@ -215,12 +216,14 @@ int main(int argc, char *argv[])
 			continue;
 		if (ext2.s_log_block_size > 6)
 			WHY("log block size > 6 (%u)\n", ext2.s_log_block_size);
-		if (ext2.s_r_blocks_count > ext2.s_blocks_count)
+		if (ext2fs_r_blocks_count(&ext2) > ext2fs_blocks_count(&ext2))
 			WHY("r_blocks_count > blocks_count (%u > %u)\n",
-			    ext2.s_r_blocks_count, ext2.s_blocks_count);
-		if (ext2.s_free_blocks_count > ext2.s_blocks_count)
+			    ext2fs_r_blocks_count(&ext2),
+			    ext2fs_blocks_count(&ext2));
+		if (ext2fs_free_blocks_count(&ext2) > ext2fs_blocks_count(&ext2))
 			WHY("free_blocks_count > blocks_count\n (%u > %u)\n",
-			    ext2.s_free_blocks_count, ext2.s_blocks_count);
+			    ext2fs_free_blocks_count(&ext2),
+			    ext2fs_blocks_count(&ext2));
 		if (ext2.s_free_inodes_count > ext2.s_inodes_count)
 			WHY("free_inodes_count > inodes_count (%u > %u)\n",
 			    ext2.s_free_inodes_count, ext2.s_inodes_count);
@@ -246,9 +249,9 @@ int main(int argc, char *argv[])
 		printf("\r%11Lu %11Lu%s %11Lu%s %9u %5Lu %4u%s %s %02x%02x%02x%02x %s\n",
 		       sk, sk - ext2.s_block_group_nr * grpsize - sb_offset,
 		       jnl_copy ? "*":" ",
-		       sk + ext2.s_blocks_count * bsize -
+		       sk + ext2fs_blocks_count(&ext2) * bsize -
 		            ext2.s_block_group_nr * grpsize - sb_offset,
-		       jnl_copy ? "*" : " ", ext2.s_blocks_count, bsize,
+		       jnl_copy ? "*" : " ", ext2fs_blocks_count(&ext2), bsize,
 		       ext2.s_block_group_nr, jnl_copy ? "*" : " ", s,
 		       ext2.s_uuid[0], ext2.s_uuid[1],
 		       ext2.s_uuid[2], ext2.s_uuid[3], ext2.s_volume_name);
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index 7287181e..cd97b93f 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -201,9 +201,9 @@ static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 	errcode_t	retval;
 	char		buf[1024];
 
-	sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize,
+	sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 		quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
-		fs->device_name, fs->super->s_blocks_count-1);
+		fs->device_name, ext2fs_blocks_count(fs->super)-1);
 	if (verbose)
 		printf(_("Running command: %s\n"), buf);
 	f = popen(buf, "r");
@@ -275,7 +275,7 @@ _("Warning: the backup superblock/group descriptors at block %u contain\n"
 				group = ext2fs_group_of_blk(fs, group_block+j);
 				fs->group_desc[group].bg_free_blocks_count++;
 				ext2fs_group_desc_csum_set(fs, group);
-				fs->super->s_free_blocks_count++;
+				ext2fs_free_blocks_count_add(fs->super, 1);
 			}
 		}
 		group_block += fs->super->s_blocks_per_group;
@@ -492,7 +492,7 @@ static void create_journal_dev(ext2_filsys fs)
 	int			c, count, err_count;
 
 	retval = ext2fs_create_journal_superblock(fs,
-				  fs->super->s_blocks_count, 0, &buf);
+				  ext2fs_blocks_count(fs->super), 0, &buf);
 	if (retval) {
 		com_err("create_journal_dev", retval,
 			_("while initializing journal superblock"));
@@ -502,7 +502,7 @@ static void create_journal_dev(ext2_filsys fs)
 				     _("Zeroing journal device: "),
 				     ext2fs_blocks_count(fs->super));
 	blk = 0;
-	count = fs->super->s_blocks_count;
+	count = ext2fs_blocks_count(fs->super);
 	while (count > 0) {
 		if (count > 1024)
 			c = 1024;
@@ -542,9 +542,9 @@ static void show_stats(ext2_filsys fs)
 	dgrp_t			i;
 	int			need, col_left;
 
-	if (fs_param.s_blocks_count != s->s_blocks_count)
-		fprintf(stderr, _("warning: %u blocks unused.\n\n"),
-		       fs_param.s_blocks_count - s->s_blocks_count);
+	if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
+		fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
+		       ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 
 	memset(buf, 0, sizeof(buf));
 	strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
@@ -558,11 +558,11 @@ static void show_stats(ext2_filsys fs)
 		s->s_log_block_size);
 	printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
 		s->s_log_frag_size);
-	printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
-	       s->s_blocks_count);
-	printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
-		s->s_r_blocks_count,
-	       100.0 * s->s_r_blocks_count / s->s_blocks_count);
+	printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
+	       ext2fs_blocks_count(s));
+	printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
+		ext2fs_r_blocks_count(s),
+	       100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 	printf(_("First data block=%u\n"), s->s_first_data_block);
 	if (s->s_reserved_gdt_blocks)
 		printf(_("Maximum filesystem blocks=%lu\n"),
@@ -702,7 +702,7 @@ static void parse_extended_opts(struct ext2_super_block *param,
 				r_usage++;
 				continue;
 			}
-			if (resize <= param->s_blocks_count) {
+			if (resize <= ext2fs_blocks_count(param)) {
 				fprintf(stderr,
 					_("The resize maximum must be greater "
 					  "than the filesystem size.\n"));
@@ -715,8 +715,8 @@ static void parse_extended_opts(struct ext2_super_block *param,
 			if (!bpg)
 				bpg = blocksize * 8;
 			gdpb = EXT2_DESC_PER_BLOCK(param);
-			group_desc_count =
-				ext2fs_div_ceil(param->s_blocks_count, bpg);
+			group_desc_count = (__u32) ext2fs_div64_ceil(
+				ext2fs_blocks_count(param), bpg);
 			desc_blocks = (group_desc_count +
 				       gdpb - 1) / gdpb;
 			rsv_groups = ext2fs_div_ceil(resize, bpg);
@@ -931,9 +931,9 @@ static char **parse_fs_type(const char *fs_type,
 	}
 
 	meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
-	if (fs_param->s_blocks_count < 3 * meg)
+	if (ext2fs_blocks_count(fs_param) < 3 * meg)
 		size_type = "floppy";
-	else if (fs_param->s_blocks_count < 512 * meg)
+	else if (ext2fs_blocks_count(fs_param) < 512 * meg)
 		size_type = "small";
 	else
 		size_type = "default";
@@ -1352,9 +1352,9 @@ static void PRS(int argc, char *argv[])
 			blocksize, sys_page_size);
 	}
 	if (optind < argc) {
-		fs_param.s_blocks_count = parse_num_blocks(argv[optind++],
-				fs_param.s_log_block_size);
-		if (!fs_param.s_blocks_count) {
+		ext2fs_blocks_count_set(&fs_param, parse_num_blocks(argv[optind++],
+				fs_param.s_log_block_size));
+		if (!ext2fs_blocks_count(&fs_param)) {
 			com_err(program_name, 0, _("invalid blocks count - %s"),
 				argv[optind - 1]);
 			exit(1);
@@ -1369,8 +1369,8 @@ static void PRS(int argc, char *argv[])
 
 	fs_param.s_log_frag_size = fs_param.s_log_block_size;
 
-	if (noaction && fs_param.s_blocks_count) {
-		dev_size = fs_param.s_blocks_count;
+	if (noaction && ext2fs_blocks_count(&fs_param)) {
+		dev_size = ext2fs_blocks_count(&fs_param);
 		retval = 0;
 	} else {
 	retry:
@@ -1414,7 +1414,7 @@ get_size_failure:
 		exit(1);
 	}
 got_size:
-	if (!fs_param.s_blocks_count) {
+	if (!ext2fs_blocks_count(&fs_param)) {
 		if (retval == EXT2_ET_UNIMPLEMENTED) {
 			com_err(program_name, 0,
 				_("Couldn't determine device size; you "
@@ -1434,13 +1434,16 @@ got_size:
 				  ));
 				exit(1);
 			}
-			fs_param.s_blocks_count = dev_size;
-			if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
-				fs_param.s_blocks_count &= ~((sys_page_size /
-					   EXT2_BLOCK_SIZE(&fs_param))-1);
-		}
+			ext2fs_blocks_count_set(&fs_param, dev_size);
+			if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) {
+				blk64_t tmp = ext2fs_blocks_count(&fs_param);
 
-	} else if (!force && (fs_param.s_blocks_count > dev_size)) {
+				tmp &= ~((blk64_t) ((sys_page_size /
+					     EXT2_BLOCK_SIZE(&fs_param))-1));
+				ext2fs_blocks_count_set(&fs_param, tmp);
+			}
+		}
+	} else if (!force && (ext2fs_blocks_count(&fs_param) > dev_size)) {
 		com_err(program_name, 0,
 			_("Filesystem larger than apparent device size."));
 		proceed_question();
@@ -1564,7 +1567,9 @@ got_size:
 		if ((blocksize < 0) && (use_bsize < (-blocksize)))
 			use_bsize = -blocksize;
 		blocksize = use_bsize;
-		fs_param.s_blocks_count /= blocksize / 1024;
+		ext2fs_blocks_count_set(&fs_param,
+					ext2fs_blocks_count(&fs_param) /
+					(blocksize / 1024));
 	}
 
 	if (inode_ratio == 0) {
@@ -1647,7 +1652,7 @@ got_size:
 	/* Make sure number of inodes specified will fit in 32 bits */
 	if (num_inodes == 0) {
 		unsigned long long n;
-		n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio;
+		n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
 		if (n > ~0U) {
 			com_err(program_name, 0,
 			    _("too many inodes (%llu), raise inode ratio?"), n);
@@ -1663,29 +1668,28 @@ got_size:
 	 * Calculate number of inodes based on the inode ratio
 	 */
 	fs_param.s_inodes_count = num_inodes ? num_inodes :
-		((__u64) fs_param.s_blocks_count * blocksize)
-			/ inode_ratio;
+		(ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
 
 	if ((((long long)fs_param.s_inodes_count) *
 	     (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
-	    (((long long)fs_param.s_blocks_count) *
+	    ((ext2fs_blocks_count(&fs_param)) *
 	     EXT2_BLOCK_SIZE(&fs_param))) {
 		com_err(program_name, 0, _("inode_size (%u) * inodes_count "
 					  "(%u) too big for a\n\t"
-					  "filesystem with %lu blocks, "
+					  "filesystem with %llu blocks, "
 					  "specify higher inode_ratio (-i)\n\t"
 					  "or lower inode count (-N).\n"),
 			inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
 			fs_param.s_inodes_count,
-			(unsigned long) fs_param.s_blocks_count);
+			(unsigned long long) ext2fs_blocks_count(&fs_param));
 		exit(1);
 	}
 
 	/*
 	 * Calculate number of blocks to reserve
 	 */
-	fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio *
-					fs_param.s_blocks_count / 100.0);
+	ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
+				  ext2fs_blocks_count(&fs_param) / 100.0);
 }
 
 static int should_do_undo(const char *name)
@@ -1975,7 +1979,7 @@ int main (int argc, char *argv[])
 	} else {
 		/* rsv must be a power of two (64kB is MD RAID sb alignment) */
 		unsigned int rsv = 65536 / fs->blocksize;
-		unsigned long blocks = fs->super->s_blocks_count;
+		unsigned long blocks = ext2fs_blocks_count(fs->super);
 		unsigned long start;
 		blk_t ret_blk;
 
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 6da5c072..8daf6324 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -69,7 +69,8 @@ static int I_flag;
 static time_t last_check_time;
 static int print_label;
 static int max_mount_count, mount_count, mount_flags;
-static unsigned long interval, reserved_blocks;
+static unsigned long interval;
+static blk64_t reserved_blocks;
 static double reserved_ratio;
 static unsigned long resgid, resuid;
 static unsigned short errors;
@@ -262,7 +263,7 @@ static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
 	group = ext2fs_group_of_blk(fs, block);
 	fs->group_desc[group].bg_free_blocks_count++;
 	ext2fs_group_desc_csum_set(fs, group);
-	fs->super->s_free_blocks_count++;
+	ext2fs_free_blocks_count_add(fs->super, 1);
 	return 0;
 }
 
@@ -1008,7 +1009,7 @@ static int get_move_bitmaps(ext2_filsys fs, int new_ino_blks_per_grp,
 	}
 
 	ext2fs_badblocks_list_free(bb_list);
-	if (needed_blocks > fs->super->s_free_blocks_count)
+	if (needed_blocks > ext2fs_free_blocks_count(fs->super))
 		return ENOSPC;
 
 	return 0;
@@ -1055,7 +1056,7 @@ static int move_block(ext2_filsys fs, ext2fs_block_bitmap bmap)
 		return retval;
 
 	for (new_blk = blk = fs->super->s_first_data_block;
-	     blk < fs->super->s_blocks_count; blk++) {
+	     blk < ext2fs_blocks_count(fs->super); blk++) {
 		if (!ext2fs_test_block_bitmap2(bmap, blk))
 			continue;
 
@@ -1336,21 +1337,21 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
 	 * First calculate the block statistics
 	 */
 	for (blk = fs->super->s_first_data_block;
-	     blk < fs->super->s_blocks_count; blk++) {
+	     blk < ext2fs_blocks_count(fs->super); blk++) {
 		if (!ext2fs_fast_test_block_bitmap2(fs->block_map, blk)) {
 			group_free++;
 			total_free++;
 		}
 		count++;
 		if ((count == fs->super->s_blocks_per_group) ||
-		    (blk == fs->super->s_blocks_count-1)) {
+		    (blk == ext2fs_blocks_count(fs->super)-1)) {
 			fs->group_desc[group++].bg_free_blocks_count =
 				group_free;
 			count = 0;
 			group_free = 0;
 		}
 	}
-	fs->super->s_free_blocks_count = total_free;
+	ext2fs_free_blocks_count_set(fs->super, total_free);
 
 	/*
 	 * Next, calculate the inode statistics
@@ -1658,23 +1659,22 @@ retry_open:
 		       interval);
 	}
 	if (m_flag) {
-		sb->s_r_blocks_count = (unsigned int) (reserved_ratio *
-					sb->s_blocks_count / 100.0);
+		ext2fs_r_blocks_count_set(sb, reserved_ratio *
+					  ext2fs_blocks_count(sb) / 100.0);
 		ext2fs_mark_super_dirty(fs);
-		printf(_("Setting reserved blocks percentage to %g%% "
-			 "(%u blocks)\n"),
-		       reserved_ratio, sb->s_r_blocks_count);
+		printf (_("Setting reserved blocks percentage to %g%% (%llu blocks)\n"),
+			reserved_ratio, ext2fs_r_blocks_count(sb));
 	}
 	if (r_flag) {
-		if (reserved_blocks >= sb->s_blocks_count/2) {
+		if (reserved_blocks >= ext2fs_blocks_count(sb)/2) {
 			com_err(program_name, 0,
-				_("reserved blocks count is too big (%lu)"),
+				_("reserved blocks count is too big (%llu)"),
 				reserved_blocks);
 			exit(1);
 		}
-		sb->s_r_blocks_count = reserved_blocks;
+		ext2fs_r_blocks_count_set(sb, reserved_blocks);
 		ext2fs_mark_super_dirty(fs);
-		printf(_("Setting reserved blocks count to %lu\n"),
+		printf(_("Setting reserved blocks count to %llu\n"),
 		       reserved_blocks);
 	}
 	if (s_flag == 1) {
diff --git a/misc/util.c b/misc/util.c
index 837d60fc..b8a3cac9 100644
--- a/misc/util.c
+++ b/misc/util.c
@@ -253,7 +253,7 @@ unsigned int figure_journal_size(int size, ext2_filsys fs)
 {
 	int j_blocks;
 
-	j_blocks = ext2fs_default_journal_size(fs->super->s_blocks_count);
+	j_blocks = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
 	if (j_blocks < 0) {
 		fputs(_("\nFilesystem too small for a journal\n"), stderr);
 		return 0;
@@ -269,7 +269,7 @@ unsigned int figure_journal_size(int size, ext2_filsys fs)
 				j_blocks);
 			exit(1);
 		}
-		if ((unsigned) j_blocks > fs->super->s_free_blocks_count / 2) {
+		if ((unsigned) j_blocks > ext2fs_free_blocks_count(fs->super) / 2) {
 			fputs(_("\nJournal size too big for filesystem.\n"),
 			      stderr);
 			exit(1);
diff --git a/resize/main.c b/resize/main.c
index 220c192e..1bb6ed7b 100644
--- a/resize/main.c
+++ b/resize/main.c
@@ -429,7 +429,7 @@ int main (int argc, char ** argv)
 			fs->blocksize / 1024, new_size);
 		exit(1);
 	}
-	if (new_size == fs->super->s_blocks_count) {
+	if (new_size == ext2fs_blocks_count(fs->super)) {
 		fprintf(stderr, _("The filesystem is already %u blocks "
 			"long.  Nothing to do!\n\n"), new_size);
 		exit(0);
diff --git a/resize/online.c b/resize/online.c
index 4bc54513..6f828a8a 100644
--- a/resize/online.c
+++ b/resize/online.c
@@ -37,9 +37,9 @@ errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt,
 	printf(_("Filesystem at %s is mounted on %s; "
 		 "on-line resizing required\n"), fs->device_name, mtpt);
 
-	if (*new_size < sb->s_blocks_count) {
-		printf(_("On-line shrinking from %u to %u not supported.\n"),
-		       sb->s_blocks_count, *new_size);
+	if (*new_size < ext2fs_blocks_count(sb)) {
+		printf(_("On-line shrinking from %llu to %u not supported.\n"),
+		       ext2fs_blocks_count(sb), *new_size);
 		exit(1);
 	}
 
@@ -69,7 +69,7 @@ errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt,
 		exit(1);
 	}
 
-	size=sb->s_blocks_count;
+	size=ext2fs_blocks_count(sb);
 	if (ioctl(fd, EXT2_IOC_GROUP_EXTEND, &size)) {
 		if (errno == EPERM)
 			com_err(program_name, 0,
@@ -83,7 +83,8 @@ errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt,
 		exit(1);
 	}
 
-	percent = (sb->s_r_blocks_count * 100.0) / sb->s_blocks_count;
+	percent = (ext2fs_r_blocks_count(sb) * 100.0) /
+		ext2fs_blocks_count(sb);
 
 	retval = ext2fs_read_bitmaps(fs);
 	if (retval)
@@ -137,7 +138,7 @@ errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt,
 		input.inode_table = new_fs->group_desc[i].bg_inode_table;
 		input.blocks_count = sb->s_blocks_per_group;
 		if (i == new_fs->group_desc_count-1) {
-			input.blocks_count = new_fs->super->s_blocks_count -
+			input.blocks_count = ext2fs_blocks_count(new_fs->super) -
 				sb->s_first_data_block -
 				(i * sb->s_blocks_per_group);
 		}
diff --git a/resize/resize2fs.c b/resize/resize2fs.c
index 2883af5e..5a1eb2a8 100644
--- a/resize/resize2fs.c
+++ b/resize/resize2fs.c
@@ -115,7 +115,7 @@ errcode_t resize_fs(ext2_filsys fs, blk_t *new_size, int flags,
 	ext2fs_bg_flag_clear(rfs->new_fs, rfs->new_fs->group_desc_count - 1,
 			     EXT2_BG_BLOCK_UNINIT);
 
-	*new_size = rfs->new_fs->super->s_blocks_count;
+	*new_size = ext2fs_blocks_count(rfs->new_fs->super);
 
 	retval = blocks_to_move(rfs);
 	if (retval)
@@ -123,9 +123,9 @@ errcode_t resize_fs(ext2_filsys fs, blk_t *new_size, int flags,
 
 #ifdef RESIZE2FS_DEBUG
 	if (rfs->flags & RESIZE_DEBUG_BMOVE)
-		printf("Number of free blocks: %u/%u, Needed: %d\n",
-		       rfs->old_fs->super->s_free_blocks_count,
-		       rfs->new_fs->super->s_free_blocks_count,
+		printf("Number of free blocks: %llu/%llu, Needed: %d\n",
+		       ext2fs_free_blocks_count(rfs->old_fs->super),
+		       ext2fs_free_blocks_count(rfs->new_fs->super),
 		       rfs->needed_blocks);
 #endif
 
@@ -215,7 +215,7 @@ static void fix_uninit_block_bitmaps(ext2_filsys fs)
 				fs->super->s_reserved_gdt_blocks;
 
 		for (i=0; i < fs->super->s_blocks_per_group; i++, blk++) {
-			if (blk >= fs->super->s_blocks_count)
+			if (blk >= ext2fs_blocks_count(fs->super))
 				break;
 			if ((blk == super_blk) ||
 			    (old_desc_blk && old_desc_blocks &&
@@ -258,26 +258,26 @@ static void free_gdp_blocks(ext2_filsys fs,
 	int	j;
 
 	if (gdp->bg_block_bitmap &&
-	    (gdp->bg_block_bitmap < fs->super->s_blocks_count)) {
+	    (gdp->bg_block_bitmap < ext2fs_blocks_count(fs->super))) {
 		ext2fs_block_alloc_stats(fs, gdp->bg_block_bitmap, -1);
 		ext2fs_mark_block_bitmap2(reserve_blocks,
 					 gdp->bg_block_bitmap);
 	}
 
 	if (gdp->bg_inode_bitmap &&
-	    (gdp->bg_inode_bitmap < fs->super->s_blocks_count)) {
+	    (gdp->bg_inode_bitmap < ext2fs_blocks_count(fs->super))) {
 		ext2fs_block_alloc_stats(fs, gdp->bg_inode_bitmap, -1);
 		ext2fs_mark_block_bitmap2(reserve_blocks,
 					 gdp->bg_inode_bitmap);
 	}
 
 	if (gdp->bg_inode_table == 0 ||
-	    (gdp->bg_inode_table >= fs->super->s_blocks_count))
+	    (gdp->bg_inode_table >= ext2fs_blocks_count(fs->super)))
 		return;
 
 	for (blk = gdp->bg_inode_table, j = 0;
 	     j < fs->inode_blocks_per_group; j++, blk++) {
-		if (blk >= fs->super->s_blocks_count)
+		if (blk >= ext2fs_blocks_count(fs->super))
 			break;
 		ext2fs_block_alloc_stats(fs, blk, -1);
 		ext2fs_mark_block_bitmap2(reserve_blocks, blk);
@@ -306,10 +306,10 @@ errcode_t adjust_fs_info(ext2_filsys fs, ext2_filsys old_fs,
 	unsigned long long new_inodes;	/* u64 to check for overflow */
 	double		percent;
 
-	fs->super->s_blocks_count = new_size;
+	ext2fs_blocks_count_set(fs->super, new_size);
 
 retry:
-	fs->group_desc_count = ext2fs_div_ceil(fs->super->s_blocks_count -
+	fs->group_desc_count = ext2fs_div64_ceil(ext2fs_blocks_count(fs->super) -
 				       fs->super->s_first_data_block,
 				       EXT2_BLOCKS_PER_GROUP(fs->super));
 	if (fs->group_desc_count == 0)
@@ -334,12 +334,13 @@ retry:
 	 * necessary data structures.  If not, we need to get rid of
 	 * it.
 	 */
-	rem = (fs->super->s_blocks_count - fs->super->s_first_data_block) %
+	rem = (ext2fs_blocks_count(fs->super) - fs->super->s_first_data_block) %
 		fs->super->s_blocks_per_group;
 	if ((fs->group_desc_count == 1) && rem && (rem < overhead))
 		return EXT2_ET_TOOSMALL;
 	if (rem && (rem < overhead+50)) {
-		fs->super->s_blocks_count -= rem;
+		ext2fs_blocks_count_set(fs->super,
+					ext2fs_blocks_count(fs->super) - rem);
 		goto retry;
 	}
 	/*
@@ -357,21 +358,24 @@ retry:
 	/*
 	 * Adjust the number of free blocks
 	 */
-	blk = old_fs->super->s_blocks_count;
-	if (blk > fs->super->s_blocks_count)
-		fs->super->s_free_blocks_count -=
-			(blk - fs->super->s_blocks_count);
+	blk = ext2fs_blocks_count(old_fs->super);
+	if (blk > ext2fs_blocks_count(fs->super))
+		ext2fs_free_blocks_count_set(fs->super, 
+			ext2fs_free_blocks_count(fs->super) -
+			(blk - ext2fs_blocks_count(fs->super)));
 	else
-		fs->super->s_free_blocks_count +=
-			(fs->super->s_blocks_count - blk);
+		ext2fs_free_blocks_count_set(fs->super, 
+			ext2fs_free_blocks_count(fs->super) +
+			(ext2fs_blocks_count(fs->super) - blk));
 
 	/*
 	 * Adjust the number of reserved blocks
 	 */
-	percent = (old_fs->super->s_r_blocks_count * 100.0) /
-		old_fs->super->s_blocks_count;
-	fs->super->s_r_blocks_count = (unsigned int) (percent *
-					fs->super->s_blocks_count / 100.0);
+	percent = (ext2fs_r_blocks_count(old_fs->super) * 100.0) /
+		ext2fs_blocks_count(old_fs->super);
+	ext2fs_r_blocks_count_set(fs->super,
+				  (percent * ext2fs_blocks_count(fs->super) /
+				   100.0));
 
 	/*
 	 * Adjust the bitmaps for size
@@ -384,7 +388,7 @@ retry:
 	real_end = ((EXT2_BLOCKS_PER_GROUP(fs->super)
 		     * fs->group_desc_count)) - 1 +
 			     fs->super->s_first_data_block;
-	retval = ext2fs_resize_block_bitmap2(fs->super->s_blocks_count-1,
+	retval = ext2fs_resize_block_bitmap2(ext2fs_blocks_count(fs->super)-1,
 					    real_end, fs->block_map);
 
 	if (retval) goto errout;
@@ -447,13 +451,13 @@ retry:
 	/*
 	 * Fix the count of the last (old) block group
 	 */
-	old_numblocks = (old_fs->super->s_blocks_count -
+	old_numblocks = (ext2fs_blocks_count(old_fs->super) -
 			 old_fs->super->s_first_data_block) %
 				 old_fs->super->s_blocks_per_group;
 	if (!old_numblocks)
 		old_numblocks = old_fs->super->s_blocks_per_group;
 	if (old_fs->group_desc_count == fs->group_desc_count) {
-		numblocks = (fs->super->s_blocks_count -
+		numblocks = (ext2fs_blocks_count(fs->super) -
 			     fs->super->s_first_data_block) %
 			fs->super->s_blocks_per_group;
 		if (!numblocks)
@@ -500,7 +504,7 @@ retry:
 			ext2fs_bg_flag_set(fs, i, EXT2_BG_INODE_UNINIT | EXT2_BG_INODE_ZEROED)
 				;
 		if (i == fs->group_desc_count-1) {
-			numblocks = (fs->super->s_blocks_count -
+			numblocks = (ext2fs_blocks_count(fs->super) -
 				     fs->super->s_first_data_block) %
 					     fs->super->s_blocks_per_group;
 			if (!numblocks)
@@ -541,7 +545,8 @@ retry:
 		adjblocks += 2 + fs->inode_blocks_per_group;
 
 		numblocks -= adjblocks;
-		fs->super->s_free_blocks_count -= adjblocks;
+		ext2fs_free_blocks_count_set(fs->super,
+			     ext2fs_free_blocks_count(fs->super) - adjblocks);
 		fs->super->s_free_inodes_count +=
 			fs->super->s_inodes_per_group;
 		fs->group_desc[i].bg_free_blocks_count = numblocks;
@@ -784,7 +789,7 @@ static errcode_t blocks_to_move(ext2_resize_t rfs)
 
 	fs = rfs->new_fs;
 	old_fs = rfs->old_fs;
-	if (old_fs->super->s_blocks_count > fs->super->s_blocks_count)
+	if (ext2fs_blocks_count(old_fs->super) > ext2fs_blocks_count(fs->super))
 		fs = rfs->old_fs;
 
 	retval = ext2fs_allocate_block_bitmap(fs, _("blocks to be moved"),
@@ -807,8 +812,8 @@ static errcode_t blocks_to_move(ext2_resize_t rfs)
 	 * If we're shrinking the filesystem, we need to move all of
 	 * the blocks that don't fit any more
 	 */
-	for (blk = fs->super->s_blocks_count;
-	     blk < old_fs->super->s_blocks_count; blk++) {
+	for (blk = ext2fs_blocks_count(fs->super);
+	     blk < ext2fs_blocks_count(old_fs->super); blk++) {
 		g = ext2fs_group_of_blk(fs, blk);
 		if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 					       EXT4_FEATURE_RO_COMPAT_GDT_CSUM) &&
@@ -1036,9 +1041,9 @@ static void init_block_alloc(ext2_resize_t rfs)
 	rfs->new_blk = rfs->new_fs->super->s_first_data_block;
 #if 0
 	/* HACK for testing */
-	if (rfs->new_fs->super->s_blocks_count >
-	    rfs->old_fs->super->s_blocks_count)
-		rfs->new_blk = rfs->old_fs->super->s_blocks_count;
+	if (ext2fs_blocks_count(rfs->new_fs->super) >
+	    ext2fs_blocks_count(rfs->old_fs->super))
+		rfs->new_blk = ext2fs_blocks_count(rfs->old_fs->super);
 #endif
 }
 
@@ -1047,7 +1052,7 @@ static blk_t get_new_block(ext2_resize_t rfs)
 	ext2_filsys	fs = rfs->new_fs;
 
 	while (1) {
-		if (rfs->new_blk >= fs->super->s_blocks_count) {
+		if (rfs->new_blk >= ext2fs_blocks_count(fs->super)) {
 			if (rfs->alloc_state == DESPERATION)
 				return 0;
 
@@ -1064,7 +1069,7 @@ static blk_t get_new_block(ext2_resize_t rfs)
 		    ext2fs_test_block_bitmap2(rfs->reserve_blocks,
 					     rfs->new_blk) ||
 		    ((rfs->alloc_state == AVOID_OLD) &&
-		     (rfs->new_blk < rfs->old_fs->super->s_blocks_count) &&
+		     (rfs->new_blk < ext2fs_blocks_count(rfs->old_fs->super)) &&
 		     ext2fs_test_block_bitmap2(rfs->old_fs->block_map,
 					      rfs->new_blk))) {
 			rfs->new_blk++;
@@ -1132,7 +1137,7 @@ static errcode_t block_mover(ext2_resize_t rfs)
 	to_move = moved = 0;
 	init_block_alloc(rfs);
 	for (blk = old_fs->super->s_first_data_block;
-	     blk < old_fs->super->s_blocks_count; blk++) {
+	     blk < ext2fs_blocks_count(old_fs->super); blk++) {
 		if (!ext2fs_test_block_bitmap2(old_fs->block_map, blk))
 			continue;
 		if (!ext2fs_test_block_bitmap2(rfs->move_blocks, blk))
@@ -1326,10 +1331,10 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
 	 * is larger.  We need to do this to avoid catching an error
 	 * by the block iterator routines
 	 */
-	orig_size = rfs->old_fs->super->s_blocks_count;
-	if (orig_size < rfs->new_fs->super->s_blocks_count)
-		rfs->old_fs->super->s_blocks_count =
-			rfs->new_fs->super->s_blocks_count;
+	orig_size = ext2fs_blocks_count(rfs->old_fs->super);
+	if (orig_size < ext2fs_blocks_count(rfs->new_fs->super))
+		ext2fs_blocks_count_set(rfs->old_fs->super,
+				ext2fs_blocks_count(rfs->new_fs->super));
 
 	retval = ext2fs_open_inode_scan(rfs->old_fs, 0, &scan);
 	if (retval) goto errout;
@@ -1437,7 +1442,7 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
 	io_channel_flush(rfs->old_fs->io);
 
 errout:
-	rfs->old_fs->super->s_blocks_count = orig_size;
+	ext2fs_blocks_count_set(rfs->old_fs->super, orig_size);
 	if (rfs->bmap) {
 		ext2fs_free_extent_table(rfs->bmap);
 		rfs->bmap = 0;
@@ -1796,7 +1801,7 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
 		old_desc_blocks = fs->desc_blocks +
 			fs->super->s_reserved_gdt_blocks;
 	for (blk = fs->super->s_first_data_block;
-	     blk < fs->super->s_blocks_count; blk++) {
+	     blk < ext2fs_blocks_count(fs->super); blk++) {
 		if ((uninit &&
 		     !((blk == super_blk) ||
 		       ((old_desc_blk && old_desc_blocks &&
@@ -1814,7 +1819,7 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
 		}
 		count++;
 		if ((count == fs->super->s_blocks_per_group) ||
-		    (blk == fs->super->s_blocks_count-1)) {
+		    (blk == ext2fs_blocks_count(fs->super)-1)) {
 			fs->group_desc[group].bg_free_blocks_count =
 				group_free;
 			ext2fs_group_desc_csum_set(fs, group);
@@ -1834,7 +1839,7 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
 					fs->super->s_reserved_gdt_blocks;
 		}
 	}
-	fs->super->s_free_blocks_count = total_free;
+	ext2fs_free_blocks_count_set(fs->super, total_free);
 
 	/*
 	 * Next, calculate the inode statistics
@@ -1925,8 +1930,8 @@ blk_t calculate_minimum_resize_size(ext2_filsys fs)
 	}
 
 	/* calculate how many blocks are needed for data */
-	data_needed = fs->super->s_blocks_count -
-		fs->super->s_free_blocks_count;
+	data_needed = ext2fs_blocks_count(fs->super) -
+		ext2fs_free_blocks_count(fs->super);
 	data_needed -= SUPER_OVERHEAD(fs) * num_of_superblocks;
 	data_needed -= META_OVERHEAD(fs) * fs->group_desc_count;
 
@@ -2056,15 +2061,16 @@ blk_t calculate_minimum_resize_size(ext2_filsys fs)
 	 * If at this point we've already added up more "needed" than
 	 * the current size, just return current size as minimum.
 	 */
-	if (blks_needed >= fs->super->s_blocks_count)
-		return fs->super->s_blocks_count;
+	if (blks_needed >= ext2fs_blocks_count(fs->super))
+		return ext2fs_blocks_count(fs->super);
 	/*
 	 * We need to reserve a few extra blocks if extents are
 	 * enabled, in case we need to grow the extent tree.  The more
 	 * we shrink the file system, the more space we need.
 	 */
 	if (fs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)
-		blks_needed += (fs->super->s_blocks_count - blks_needed)/500;
+		blks_needed += (ext2fs_blocks_count(fs->super) - 
+				blks_needed)/500;
 
 	return blks_needed;
 }
diff --git a/tests/progs/test_icount.c b/tests/progs/test_icount.c
index aa9b9321..777a8123 100644
--- a/tests/progs/test_icount.c
+++ b/tests/progs/test_icount.c
@@ -308,7 +308,7 @@ int main(int argc, char **argv)
 	 * Create a sample filesystem structure
 	 */
 	memset(&param, 0, sizeof(struct ext2_super_block));
-	param.s_blocks_count = 80000;
+	ext2fs_blocks_count_set(&param, 80000);
 	param.s_inodes_count = 20000;
 	retval = ext2fs_initialize("/dev/null", 0, &param,
 				   unix_io_manager, &test_fs);