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From bb1537a959e8ec53acfa90081be9cd1167b6a0cd Mon Sep 17 00:00:00 2001
From: Andrey Albershteyn <aalbersh@redhat.com>
Date: Fri, 27 May 2022 12:05:32 +0200
Subject: libblkid: add FSBLOCKSIZE tag

The FSBLOCKSIZE tag exposes file system block size in contrast to
the BLOCK_SIZE (unfortunate name) which returns minimal accessible
block size (sector size).

Upstream: http://github.com/util-linux/util-linux/commit/0f447d490
Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=2064810
Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
---
 libblkid/src/superblocks/apfs.c                     |  1 +
 libblkid/src/superblocks/befs.c                     |  1 +
 libblkid/src/superblocks/btrfs.c                    |  1 +
 libblkid/src/superblocks/erofs.c                    |  5 ++++-
 libblkid/src/superblocks/exfat.c                    |  1 +
 libblkid/src/superblocks/exfs.c                     |  1 +
 libblkid/src/superblocks/ext.c                      |  4 +++-
 libblkid/src/superblocks/f2fs.c                     |  4 +++-
 libblkid/src/superblocks/gfs.c                      |  1 +
 libblkid/src/superblocks/hfs.c                      |  1 +
 libblkid/src/superblocks/hpfs.c                     |  1 +
 libblkid/src/superblocks/iso9660.c                  |  2 ++
 libblkid/src/superblocks/jfs.c                      |  1 +
 libblkid/src/superblocks/minix.c                    |  1 +
 libblkid/src/superblocks/nilfs.c                    |  4 +++-
 libblkid/src/superblocks/ntfs.c                     |  2 ++
 libblkid/src/superblocks/ocfs.c                     |  4 +++-
 libblkid/src/superblocks/reiserfs.c                 |  2 ++
 libblkid/src/superblocks/romfs.c                    |  1 +
 libblkid/src/superblocks/squashfs.c                 |  1 +
 libblkid/src/superblocks/superblocks.c              | 13 +++++++++++++
 libblkid/src/superblocks/superblocks.h              |  1 +
 libblkid/src/superblocks/udf.c                      |  1 +
 libblkid/src/superblocks/ufs.c                      |  8 ++++++--
 libblkid/src/superblocks/vfat.c                     |  1 +
 libblkid/src/superblocks/vxfs.c                     |  2 ++
 libblkid/src/superblocks/xfs.c                      |  1 +
 libblkid/src/superblocks/zfs.c                      |  4 +++-
 libblkid/src/superblocks/zonefs.c                   |  1 +
 tests/expected/blkid/low-probe-befs                 |  1 +
 tests/expected/blkid/low-probe-btrfs                |  1 +
 tests/expected/blkid/low-probe-erofs                |  1 +
 tests/expected/blkid/low-probe-exfat                |  1 +
 tests/expected/blkid/low-probe-ext2                 |  1 +
 tests/expected/blkid/low-probe-ext3                 |  1 +
 tests/expected/blkid/low-probe-f2fs                 |  1 +
 tests/expected/blkid/low-probe-fat                  |  1 +
 tests/expected/blkid/low-probe-fat16_noheads        |  1 +
 tests/expected/blkid/low-probe-fat32_cp850_O_tilde  |  1 +
 tests/expected/blkid/low-probe-fat32_label_64MB     |  1 +
 tests/expected/blkid/low-probe-fat32_mkdosfs_label1 |  1 +
 ...ow-probe-fat32_mkdosfs_label1_dosfslabel_NO_NAME |  1 +
 .../low-probe-fat32_mkdosfs_label1_dosfslabel_empty |  1 +
 ...low-probe-fat32_mkdosfs_label1_dosfslabel_label2 |  1 +
 .../low-probe-fat32_mkdosfs_label1_mlabel_NO_NAME   |  1 +
 .../low-probe-fat32_mkdosfs_label1_mlabel_erase     |  1 +
 .../blkid/low-probe-fat32_mkdosfs_label1_xp_erase   |  1 +
 .../blkid/low-probe-fat32_mkdosfs_label1_xp_label2  |  1 +
 tests/expected/blkid/low-probe-fat32_mkdosfs_none   |  1 +
 .../low-probe-fat32_mkdosfs_none_dosfslabel_NO_NAME |  1 +
 .../low-probe-fat32_mkdosfs_none_dosfslabel_label1  |  1 +
 ...e-fat32_mkdosfs_none_dosfslabel_label1_xp_label2 |  1 +
 .../blkid/low-probe-fat32_mkdosfs_none_xp_label1    |  1 +
 ...e-fat32_mkdosfs_none_xp_label1_dosfslabel_label2 |  1 +
 tests/expected/blkid/low-probe-fat32_xp_label1      |  1 +
 tests/expected/blkid/low-probe-fat32_xp_none        |  1 +
 .../blkid/low-probe-fat32_xp_none_dosfslabel_label1 |  1 +
 .../blkid/low-probe-fat32_xp_none_mlabel_label1     |  1 +
 tests/expected/blkid/low-probe-gfs2                 |  1 +
 tests/expected/blkid/low-probe-hfsplus              |  1 +
 tests/expected/blkid/low-probe-hpfs                 |  1 +
 tests/expected/blkid/low-probe-iso                  |  1 +
 .../blkid/low-probe-iso-different-iso-joliet-label  |  1 +
 tests/expected/blkid/low-probe-iso-joliet           |  1 +
 .../blkid/low-probe-iso-multi-genisoimage-0         |  1 +
 .../blkid/low-probe-iso-multi-genisoimage-174       |  1 +
 .../blkid/low-probe-iso-multi-genisoimage-348       |  1 +
 tests/expected/blkid/low-probe-iso-rr-joliet        |  1 +
 .../expected/blkid/low-probe-iso-unicode-long-label |  1 +
 tests/expected/blkid/low-probe-jbd                  |  1 +
 tests/expected/blkid/low-probe-jfs                  |  1 +
 tests/expected/blkid/low-probe-minix-BE             |  1 +
 tests/expected/blkid/low-probe-minix-LE             |  1 +
 tests/expected/blkid/low-probe-nilfs2               |  1 +
 tests/expected/blkid/low-probe-ntfs                 |  1 +
 tests/expected/blkid/low-probe-ocfs2                |  1 +
 tests/expected/blkid/low-probe-reiser3              |  1 +
 tests/expected/blkid/low-probe-reiser4              |  1 +
 tests/expected/blkid/low-probe-romfs                |  1 +
 tests/expected/blkid/low-probe-small-fat32          |  1 +
 tests/expected/blkid/low-probe-udf                  |  1 +
 tests/expected/blkid/low-probe-udf-bdr-2.60-nero    |  1 +
 .../blkid/low-probe-udf-cd-mkudfiso-20100208        |  1 +
 tests/expected/blkid/low-probe-udf-cd-nero-6        |  1 +
 .../blkid/low-probe-udf-hdd-macosx-2.60-4096        |  1 +
 .../blkid/low-probe-udf-hdd-mkudffs-1.0.0-1         |  1 +
 .../blkid/low-probe-udf-hdd-mkudffs-1.0.0-2         |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-1  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-2  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-3  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-4  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-5  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-6  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-7  |  1 +
 .../expected/blkid/low-probe-udf-hdd-mkudffs-1.3-8  |  1 +
 tests/expected/blkid/low-probe-udf-hdd-mkudffs-2.2  |  1 +
 .../blkid/low-probe-udf-hdd-udfclient-0.7.5         |  1 +
 .../blkid/low-probe-udf-hdd-udfclient-0.7.7         |  1 +
 tests/expected/blkid/low-probe-udf-hdd-win7         |  1 +
 .../blkid/low-probe-udf-multi-genisoimage-0         |  1 +
 .../blkid/low-probe-udf-multi-genisoimage-417       |  1 +
 .../blkid/low-probe-udf-multi-genisoimage-834       |  1 +
 tests/expected/blkid/low-probe-udf-multi-mkudffs-0  |  1 +
 .../expected/blkid/low-probe-udf-multi-mkudffs-320  |  1 +
 .../expected/blkid/low-probe-udf-multi-mkudffs-640  |  1 +
 tests/expected/blkid/low-probe-ufs                  |  1 +
 tests/expected/blkid/low-probe-xfs                  |  1 +
 tests/expected/blkid/low-probe-xfs-v5               |  1 +
 tests/expected/blkid/low-probe-zfs                  |  1 +
 tests/expected/blkid/low-probe-zonefs               |  1 +
 110 files changed, 144 insertions(+), 8 deletions(-)

diff --git a/libblkid/src/superblocks/apfs.c b/libblkid/src/superblocks/apfs.c
index 3332ef228..048423a8b 100644
--- a/libblkid/src/superblocks/apfs.c
+++ b/libblkid/src/superblocks/apfs.c
@@ -65,6 +65,7 @@ static int probe_apfs(blkid_probe pr, const struct blkid_idmag *mag)
 	if (blkid_probe_set_uuid(pr, sb->uuid) < 0)
 		return BLKID_PROBE_NONE;
 
+	blkid_probe_set_fsblocksize(pr, le32_to_cpu(sb->block_size));
 	blkid_probe_set_block_size(pr, le32_to_cpu(sb->block_size));
 
 	return BLKID_PROBE_OK;
diff --git a/libblkid/src/superblocks/befs.c b/libblkid/src/superblocks/befs.c
index 211feae9f..1ba0e10ae 100644
--- a/libblkid/src/superblocks/befs.c
+++ b/libblkid/src/superblocks/befs.c
@@ -521,6 +521,7 @@ static int probe_befs(blkid_probe pr, const struct blkid_idmag *mag)
 					sizeof(volume_id), "%016" PRIx64,
 					FS64_TO_CPU(volume_id, fs_le));
 
+	blkid_probe_set_fsblocksize(pr, block_size);
 	blkid_probe_set_block_size(pr, block_size);
 
 	return BLKID_PROBE_OK;
diff --git a/libblkid/src/superblocks/btrfs.c b/libblkid/src/superblocks/btrfs.c
index 9708f2e28..06a27529a 100644
--- a/libblkid/src/superblocks/btrfs.c
+++ b/libblkid/src/superblocks/btrfs.c
@@ -74,6 +74,7 @@ static int probe_btrfs(blkid_probe pr, const struct blkid_idmag *mag)
 
 	blkid_probe_set_uuid(pr, bfs->fsid);
 	blkid_probe_set_uuid_as(pr, bfs->dev_item.uuid, "UUID_SUB");
+	blkid_probe_set_fsblocksize(pr, le32_to_cpu(bfs->sectorsize));
 	blkid_probe_set_block_size(pr, le32_to_cpu(bfs->sectorsize));
 
 	uint32_t sectorsize_log = 31 -
diff --git a/libblkid/src/superblocks/erofs.c b/libblkid/src/superblocks/erofs.c
index 0e7b4223d..30914a89c 100644
--- a/libblkid/src/superblocks/erofs.c
+++ b/libblkid/src/superblocks/erofs.c
@@ -51,8 +51,11 @@ static int probe_erofs(blkid_probe pr, const struct blkid_idmag *mag)
 
 	blkid_probe_set_uuid(pr, sb->uuid);
 
-	if (sb->blkszbits < 32)
+	if (sb->blkszbits < 32){
+		blkid_probe_set_fsblocksize(pr, 1U << sb->blkszbits);
 		blkid_probe_set_block_size(pr, 1U << sb->blkszbits);
+	}
+
 	return BLKID_PROBE_OK;
 }
 
diff --git a/libblkid/src/superblocks/exfat.c b/libblkid/src/superblocks/exfat.c
index f586ec786..fd2b85655 100644
--- a/libblkid/src/superblocks/exfat.c
+++ b/libblkid/src/superblocks/exfat.c
@@ -139,6 +139,7 @@ static int probe_exfat(blkid_probe pr, const struct blkid_idmag *mag)
 	blkid_probe_sprintf_version(pr, "%u.%u",
 			sb->version.vermaj, sb->version.vermin);
 
+	blkid_probe_set_fsblocksize(pr, BLOCK_SIZE(sb));
 	blkid_probe_set_block_size(pr, BLOCK_SIZE(sb));
 
 	return BLKID_PROBE_OK;
diff --git a/libblkid/src/superblocks/exfs.c b/libblkid/src/superblocks/exfs.c
index e0eafafc6..87dc0a0c7 100644
--- a/libblkid/src/superblocks/exfs.c
+++ b/libblkid/src/superblocks/exfs.c
@@ -173,6 +173,7 @@ static int probe_exfs(blkid_probe pr, const struct blkid_idmag *mag)
 
 	blkid_probe_set_uuid(pr, xs->sb_uuid);
 
+	blkid_probe_set_fsblocksize(pr, be32_to_cpu(xs->sb_blocksize));
 	blkid_probe_set_block_size(pr, be32_to_cpu(xs->sb_blocksize));
 
 	return 0;
diff --git a/libblkid/src/superblocks/ext.c b/libblkid/src/superblocks/ext.c
index 0b9023734..cbbe8eb96 100644
--- a/libblkid/src/superblocks/ext.c
+++ b/libblkid/src/superblocks/ext.c
@@ -189,8 +189,10 @@ static void ext_get_info(blkid_probe pr, int ver, struct ext2_super_block *es)
 		le32_to_cpu(es->s_rev_level),
 		le16_to_cpu(es->s_minor_rev_level));
 
-	if (le32_to_cpu(es->s_log_block_size) < 32)
+	if (le32_to_cpu(es->s_log_block_size) < 32){
+		blkid_probe_set_fsblocksize(pr, 1024U << le32_to_cpu(es->s_log_block_size));
 		blkid_probe_set_block_size(pr, 1024U << le32_to_cpu(es->s_log_block_size));
+	}
 
 	uint64_t fslastblock = le32_to_cpu(es->s_blocks_count) |
 		((s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) ?
diff --git a/libblkid/src/superblocks/f2fs.c b/libblkid/src/superblocks/f2fs.c
index aed93e25b..f271e8047 100644
--- a/libblkid/src/superblocks/f2fs.c
+++ b/libblkid/src/superblocks/f2fs.c
@@ -78,8 +78,10 @@ static int probe_f2fs(blkid_probe pr, const struct blkid_idmag *mag)
 
 	blkid_probe_set_uuid(pr, sb->uuid);
 	blkid_probe_sprintf_version(pr, "%u.%u", vermaj, vermin);
-	if (le32_to_cpu(sb->log_blocksize) < 32)
+	if (le32_to_cpu(sb->log_blocksize) < 32){
+		blkid_probe_set_fsblocksize(pr, 1U << le32_to_cpu(sb->log_blocksize));
 		blkid_probe_set_block_size(pr, 1U << le32_to_cpu(sb->log_blocksize));
+	}
 	return 0;
 }
 
diff --git a/libblkid/src/superblocks/gfs.c b/libblkid/src/superblocks/gfs.c
index 37a74b157..445c0dafa 100644
--- a/libblkid/src/superblocks/gfs.c
+++ b/libblkid/src/superblocks/gfs.c
@@ -106,6 +106,7 @@ static int probe_gfs2(blkid_probe pr, const struct blkid_idmag *mag)
 				sizeof(sbd->sb_locktable));
 		blkid_probe_set_uuid(pr, sbd->sb_uuid);
 		blkid_probe_set_version(pr, "1");
+		blkid_probe_set_fsblocksize(pr, be32_to_cpu(sbd->sb_bsize));
 		blkid_probe_set_block_size(pr, be32_to_cpu(sbd->sb_bsize));
 		return 0;
 	}
diff --git a/libblkid/src/superblocks/hfs.c b/libblkid/src/superblocks/hfs.c
index ebf90e49e..9674b1481 100644
--- a/libblkid/src/superblocks/hfs.c
+++ b/libblkid/src/superblocks/hfs.c
@@ -241,6 +241,7 @@ static int probe_hfsplus(blkid_probe pr, const struct blkid_idmag *mag)
 	if (blocksize < HFSPLUS_SECTOR_SIZE)
 		return 1;
 
+	blkid_probe_set_fsblocksize(pr, blocksize);
 	blkid_probe_set_block_size(pr, blocksize);
 
 	memcpy(extents, hfsplus->cat_file.extents, sizeof(extents));
diff --git a/libblkid/src/superblocks/hpfs.c b/libblkid/src/superblocks/hpfs.c
index dcf4520b6..09bf975ea 100644
--- a/libblkid/src/superblocks/hpfs.c
+++ b/libblkid/src/superblocks/hpfs.c
@@ -99,6 +99,7 @@ static int probe_hpfs(blkid_probe pr, const struct blkid_idmag *mag)
 				hbb->vol_serno[1], hbb->vol_serno[0]);
 	}
 	blkid_probe_sprintf_version(pr, "%u", version);
+	blkid_probe_set_fsblocksize(pr, 512);
 	blkid_probe_set_block_size(pr, 512);
 
 	return 0;
diff --git a/libblkid/src/superblocks/iso9660.c b/libblkid/src/superblocks/iso9660.c
index 289a325c8..503126c00 100644
--- a/libblkid/src/superblocks/iso9660.c
+++ b/libblkid/src/superblocks/iso9660.c
@@ -90,6 +90,7 @@ static int probe_iso9660_hsfs(blkid_probe pr, const struct blkid_idmag *mag)
 	if (!iso)
 		return errno ? -errno : 1;
 
+	blkid_probe_set_fsblocksize(pr, ISO_SECTOR_SIZE);
 	blkid_probe_set_block_size(pr, ISO_SECTOR_SIZE);
 	blkid_probe_set_version(pr, "High Sierra");
 	blkid_probe_set_label(pr, iso->volume_id, sizeof(iso->volume_id));
@@ -249,6 +250,7 @@ static int probe_iso9660(blkid_probe pr, const struct blkid_idmag *mag)
 	if (!pvd)
 		return errno ? -errno : 1;
 
+	blkid_probe_set_fsblocksize(pr, ISO_SECTOR_SIZE);
 	blkid_probe_set_block_size(pr, ISO_SECTOR_SIZE);
 
 	if (joliet && (len = merge_utf16be_ascii(buf, joliet->system_id, pvd->system_id, sizeof(pvd->system_id))) != 0)
diff --git a/libblkid/src/superblocks/jfs.c b/libblkid/src/superblocks/jfs.c
index 3de8c2e3d..e22467246 100644
--- a/libblkid/src/superblocks/jfs.c
+++ b/libblkid/src/superblocks/jfs.c
@@ -52,6 +52,7 @@ static int probe_jfs(blkid_probe pr, const struct blkid_idmag *mag)
 	if (*((char *) js->js_label) != '\0')
 		blkid_probe_set_label(pr, js->js_label, sizeof(js->js_label));
 	blkid_probe_set_uuid(pr, js->js_uuid);
+	blkid_probe_set_fsblocksize(pr, le32_to_cpu(js->js_bsize));
 	blkid_probe_set_block_size(pr, le32_to_cpu(js->js_bsize));
 	return 0;
 }
diff --git a/libblkid/src/superblocks/minix.c b/libblkid/src/superblocks/minix.c
index b521efb2b..6011842f7 100644
--- a/libblkid/src/superblocks/minix.c
+++ b/libblkid/src/superblocks/minix.c
@@ -148,6 +148,7 @@ static int probe_minix(blkid_probe pr,
 		return 1;
 
 	blkid_probe_sprintf_version(pr, "%d", version);
+	blkid_probe_set_fsblocksize(pr, block_size);
 	blkid_probe_set_block_size(pr, block_size);
 	return 0;
 }
diff --git a/libblkid/src/superblocks/nilfs.c b/libblkid/src/superblocks/nilfs.c
index 423bd1ac4..ca7574a52 100644
--- a/libblkid/src/superblocks/nilfs.c
+++ b/libblkid/src/superblocks/nilfs.c
@@ -157,8 +157,10 @@ static int probe_nilfs2(blkid_probe pr,
 				(unsigned char *) &sb->s_magic))
 		return 1;
 
-	if (le32_to_cpu(sb->s_log_block_size) < 32)
+	if (le32_to_cpu(sb->s_log_block_size) < 32){
+		blkid_probe_set_fsblocksize(pr, 1024U << le32_to_cpu(sb->s_log_block_size));
 		blkid_probe_set_block_size(pr, 1024U << le32_to_cpu(sb->s_log_block_size));
+	}
 
 	return 0;
 }
diff --git a/libblkid/src/superblocks/ntfs.c b/libblkid/src/superblocks/ntfs.c
index be2e3d895..9f1927cf7 100644
--- a/libblkid/src/superblocks/ntfs.c
+++ b/libblkid/src/superblocks/ntfs.c
@@ -208,6 +208,8 @@ static int __probe_ntfs(blkid_probe pr, const struct blkid_idmag *mag, int save_
 		attr_off += attr_len;
 	}
 
+
+	blkid_probe_set_fsblocksize(pr, sector_size * sectors_per_cluster);
 	blkid_probe_set_block_size(pr, sector_size);
 
 	blkid_probe_sprintf_uuid(pr,
diff --git a/libblkid/src/superblocks/ocfs.c b/libblkid/src/superblocks/ocfs.c
index 463ed7bcf..28df6ddfa 100644
--- a/libblkid/src/superblocks/ocfs.c
+++ b/libblkid/src/superblocks/ocfs.c
@@ -153,8 +153,10 @@ static int probe_ocfs2(blkid_probe pr, const struct blkid_idmag *mag)
 		le16_to_cpu(osb->s_major_rev_level),
 		le16_to_cpu(osb->s_minor_rev_level));
 
-	if (le32_to_cpu(osb->s_blocksize_bits) < 32)
+	if (le32_to_cpu(osb->s_blocksize_bits) < 32){
+		blkid_probe_set_fsblocksize(pr, 1U << le32_to_cpu(osb->s_blocksize_bits));
 		blkid_probe_set_block_size(pr, 1U << le32_to_cpu(osb->s_blocksize_bits));
+	}
 
 	return 0;
 }
diff --git a/libblkid/src/superblocks/reiserfs.c b/libblkid/src/superblocks/reiserfs.c
index 6c5e5b0d7..23d10e2e2 100644
--- a/libblkid/src/superblocks/reiserfs.c
+++ b/libblkid/src/superblocks/reiserfs.c
@@ -74,6 +74,7 @@ static int probe_reiser(blkid_probe pr, const struct blkid_idmag *mag)
 	else
 		blkid_probe_set_version(pr, "3.5");
 
+	blkid_probe_set_fsblocksize(pr, blocksize);
 	blkid_probe_set_block_size(pr, blocksize);
 
 	return 0;
@@ -95,6 +96,7 @@ static int probe_reiser4(blkid_probe pr, const struct blkid_idmag *mag)
 	blkid_probe_set_uuid(pr, rs4->rs4_uuid);
 	blkid_probe_set_version(pr, "4");
 
+	blkid_probe_set_fsblocksize(pr, blocksize);
 	blkid_probe_set_block_size(pr, blocksize);
 
 	return 0;
diff --git a/libblkid/src/superblocks/romfs.c b/libblkid/src/superblocks/romfs.c
index 1c2ac4315..8db88775b 100644
--- a/libblkid/src/superblocks/romfs.c
+++ b/libblkid/src/superblocks/romfs.c
@@ -35,6 +35,7 @@ static int probe_romfs(blkid_probe pr, const struct blkid_idmag *mag)
 		blkid_probe_set_label(pr, ros->ros_volume,
 				sizeof(ros->ros_volume));
 
+	blkid_probe_set_fsblocksize(pr, 1024);
 	blkid_probe_set_block_size(pr, 1024);
 
 	return 0;
diff --git a/libblkid/src/superblocks/squashfs.c b/libblkid/src/superblocks/squashfs.c
index 4db842493..d85ff8f1a 100644
--- a/libblkid/src/superblocks/squashfs.c
+++ b/libblkid/src/superblocks/squashfs.c
@@ -71,6 +71,7 @@ static int probe_squashfs3(blkid_probe pr, const struct blkid_idmag *mag)
 
 	blkid_probe_sprintf_version(pr, "%u.%u", vermaj, vermin);
 
+	blkid_probe_set_fsblocksize(pr, 1024);
 	blkid_probe_set_block_size(pr, 1024);
 
 	return 0;
diff --git a/libblkid/src/superblocks/superblocks.c b/libblkid/src/superblocks/superblocks.c
index a1f42c611..9cfa991fc 100644
--- a/libblkid/src/superblocks/superblocks.c
+++ b/libblkid/src/superblocks/superblocks.c
@@ -70,6 +70,8 @@
  *
  * @FSLASTBLOCK: last fsblock/total number of fsblocks
  *
+ * @FSBLOCKSIZE: file system block size
+ *
  * @SYSTEM_ID: ISO9660 system identifier
  *
  * @PUBLISHER_ID: ISO9660 publisher identifier
@@ -613,6 +615,17 @@ int blkid_probe_set_fslastblock(blkid_probe pr, uint64_t lastblock)
 			lastblock);
 }
 
+int blkid_probe_set_fsblocksize(blkid_probe pr, uint32_t block_size)
+{
+	struct blkid_chain *chn = blkid_probe_get_chain(pr);
+
+	if (!(chn->flags & BLKID_SUBLKS_FSINFO))
+		return 0;
+
+	return blkid_probe_sprintf_value(pr, "FSBLOCKSIZE", "%" PRIu32,
+			block_size);
+}
+
 int blkid_probe_set_id_label(blkid_probe pr, const char *name,
 			     const unsigned char *data, size_t len)
 {
diff --git a/libblkid/src/superblocks/superblocks.h b/libblkid/src/superblocks/superblocks.h
index 251e2e386..8a1b85dda 100644
--- a/libblkid/src/superblocks/superblocks.h
+++ b/libblkid/src/superblocks/superblocks.h
@@ -113,6 +113,7 @@ extern int blkid_probe_set_utf8_id_label(blkid_probe pr, const char *name,
 int blkid_probe_set_block_size(blkid_probe pr, unsigned block_size);
 int blkid_probe_set_fssize(blkid_probe pr, uint64_t size);
 int blkid_probe_set_fslastblock(blkid_probe pr, uint64_t lastblock);
+int blkid_probe_set_fsblocksize(blkid_probe pr, uint32_t block_size);
 
 extern int blkid_probe_is_bitlocker(blkid_probe pr);
 extern int blkid_probe_is_ntfs(blkid_probe pr);
diff --git a/libblkid/src/superblocks/udf.c b/libblkid/src/superblocks/udf.c
index 9ed089ee4..36adf60f1 100644
--- a/libblkid/src/superblocks/udf.c
+++ b/libblkid/src/superblocks/udf.c
@@ -569,6 +569,7 @@ real_blksz:
 		 * E.g. number 0x0150 is revision 1.50, number 0x0201 is revision 2.01. */
 		blkid_probe_sprintf_version(pr, "%x.%02x", (unsigned int)(udf_rev >> 8), (unsigned int)(udf_rev & 0xFF));
 
+	blkid_probe_set_fsblocksize(pr, bs);
 	blkid_probe_set_block_size(pr, bs);
 
 	return 0;
diff --git a/libblkid/src/superblocks/ufs.c b/libblkid/src/superblocks/ufs.c
index 7a8396c1c..5da87b18f 100644
--- a/libblkid/src/superblocks/ufs.c
+++ b/libblkid/src/superblocks/ufs.c
@@ -233,10 +233,14 @@ found:
 			(unsigned char *) &ufs->fs_magic))
 		return 1;
 
+	uint32_t bsize = 0;
 	if (!is_be)
-		blkid_probe_set_block_size(pr, le32_to_cpu(ufs->fs_fsize));
+		bsize = le32_to_cpu(ufs->fs_fsize);
 	else
-		blkid_probe_set_block_size(pr, be32_to_cpu(ufs->fs_fsize));
+		bsize = be32_to_cpu(ufs->fs_fsize);
+
+	blkid_probe_set_fsblocksize(pr, bsize);
+	blkid_probe_set_block_size(pr, bsize);
 
 	return 0;
 }
diff --git a/libblkid/src/superblocks/vfat.c b/libblkid/src/superblocks/vfat.c
index 71813485a..6cd58cc71 100644
--- a/libblkid/src/superblocks/vfat.c
+++ b/libblkid/src/superblocks/vfat.c
@@ -433,6 +433,7 @@ static int probe_vfat(blkid_probe pr, const struct blkid_idmag *mag)
 	if (version)
 		blkid_probe_set_version(pr, version);
 
+	blkid_probe_set_fsblocksize(pr, vs->vs_cluster_size * sector_size);
 	blkid_probe_set_block_size(pr, sector_size);
 
 	return 0;
diff --git a/libblkid/src/superblocks/vxfs.c b/libblkid/src/superblocks/vxfs.c
index d9d26adcf..0f3c07b0c 100644
--- a/libblkid/src/superblocks/vxfs.c
+++ b/libblkid/src/superblocks/vxfs.c
@@ -33,9 +33,11 @@ static int probe_vxfs(blkid_probe pr, const struct blkid_idmag *mag)
 
 	if (le32_to_cpu(vxs->vs_magic) == 0xa501fcf5) {
 		blkid_probe_sprintf_version(pr, "%u", (unsigned int)le32_to_cpu(vxs->vs_version));
+		blkid_probe_set_fsblocksize(pr, le32_to_cpu(vxs->vs_bsize));
 		blkid_probe_set_block_size(pr, le32_to_cpu(vxs->vs_bsize));
 	} else if (be32_to_cpu(vxs->vs_magic) == 0xa501fcf5) {
 		blkid_probe_sprintf_version(pr, "%u", (unsigned int)be32_to_cpu(vxs->vs_version));
+		blkid_probe_set_fsblocksize(pr, be32_to_cpu(vxs->vs_bsize));
 		blkid_probe_set_block_size(pr, be32_to_cpu(vxs->vs_bsize));
 	}
 	return 0;
diff --git a/libblkid/src/superblocks/xfs.c b/libblkid/src/superblocks/xfs.c
index 1f2e92cac..2cc6f6179 100644
--- a/libblkid/src/superblocks/xfs.c
+++ b/libblkid/src/superblocks/xfs.c
@@ -184,6 +184,7 @@ static int probe_xfs(blkid_probe pr, const struct blkid_idmag *mag)
 	blkid_probe_set_uuid(pr, xs->sb_uuid);
 	blkid_probe_set_fssize(pr, xfs_fssize(xs));
 	blkid_probe_set_fslastblock(pr, be64_to_cpu(xs->sb_dblocks));
+	blkid_probe_set_fsblocksize(pr, be32_to_cpu(xs->sb_blocksize));
 	blkid_probe_set_block_size(pr, be16_to_cpu(xs->sb_sectsize));
 	return 0;
 }
diff --git a/libblkid/src/superblocks/zfs.c b/libblkid/src/superblocks/zfs.c
index 774a199e1..e7ca78c0d 100644
--- a/libblkid/src/superblocks/zfs.c
+++ b/libblkid/src/superblocks/zfs.c
@@ -138,8 +138,10 @@ static void zfs_process_value(blkid_probe pr, char *name, size_t namelen,
 		if (nvu_type != DATA_TYPE_UINT64)
 			return;
 
-		if (nvu_value < 32)
+		if (nvu_value < 32){
+			blkid_probe_set_fsblocksize(pr, 1U << nvu_value);
 			blkid_probe_set_block_size(pr, 1U << nvu_value);
+		}
 	}
 }
 
diff --git a/libblkid/src/superblocks/zonefs.c b/libblkid/src/superblocks/zonefs.c
index 4c826ec76..2cb7097d4 100644
--- a/libblkid/src/superblocks/zonefs.c
+++ b/libblkid/src/superblocks/zonefs.c
@@ -64,6 +64,7 @@ static int probe_zonefs(blkid_probe pr,
 				      sizeof(sb->s_label));
 
 	blkid_probe_set_uuid(pr, sb->s_uuid);
+	blkid_probe_set_fsblocksize(pr, ZONEFS_BLOCK_SIZE);
 	blkid_probe_set_block_size(pr, ZONEFS_BLOCK_SIZE);
 
 	return 0;
diff --git a/tests/expected/blkid/low-probe-befs b/tests/expected/blkid/low-probe-befs
index 5717049d2..738114769 100644
--- a/tests/expected/blkid/low-probe-befs
+++ b/tests/expected/blkid/low-probe-befs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_LABEL=befs_test
 ID_FS_LABEL_ENC=befs_test
 ID_FS_TYPE=befs
diff --git a/tests/expected/blkid/low-probe-btrfs b/tests/expected/blkid/low-probe-btrfs
index 48649389a..a626bc1f6 100644
--- a/tests/expected/blkid/low-probe-btrfs
+++ b/tests/expected/blkid/low-probe-btrfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_FSLASTBLOCK=29440
 ID_FS_TYPE=btrfs
 ID_FS_USAGE=filesystem
diff --git a/tests/expected/blkid/low-probe-erofs b/tests/expected/blkid/low-probe-erofs
index 1d1600fa0..b815c7e5d 100644
--- a/tests/expected/blkid/low-probe-erofs
+++ b/tests/expected/blkid/low-probe-erofs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_TYPE=erofs
 ID_FS_USAGE=filesystem
 ID_FS_UUID=2375febf-f260-479d-ade7-952494047cb4
diff --git a/tests/expected/blkid/low-probe-exfat b/tests/expected/blkid/low-probe-exfat
index 59cb35225..24d2cac5d 100644
--- a/tests/expected/blkid/low-probe-exfat
+++ b/tests/expected/blkid/low-probe-exfat
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=Новый_том
 ID_FS_LABEL_ENC=Новый\x20том
 ID_FS_TYPE=exfat
diff --git a/tests/expected/blkid/low-probe-ext2 b/tests/expected/blkid/low-probe-ext2
index e236c6e8a..fa284a949 100644
--- a/tests/expected/blkid/low-probe-ext2
+++ b/tests/expected/blkid/low-probe-ext2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_FSLASTBLOCK=100
 ID_FS_LABEL=test-ext2
 ID_FS_LABEL_ENC=test-ext2
diff --git a/tests/expected/blkid/low-probe-ext3 b/tests/expected/blkid/low-probe-ext3
index 164fefb7b..422d4fef3 100644
--- a/tests/expected/blkid/low-probe-ext3
+++ b/tests/expected/blkid/low-probe-ext3
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_FSLASTBLOCK=2048
 ID_FS_LABEL=test-ext3
 ID_FS_LABEL_ENC=test-ext3
diff --git a/tests/expected/blkid/low-probe-f2fs b/tests/expected/blkid/low-probe-f2fs
index 272905125..1ee751d56 100644
--- a/tests/expected/blkid/low-probe-f2fs
+++ b/tests/expected/blkid/low-probe-f2fs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=test-f2fs
 ID_FS_LABEL_ENC=test-f2fs
 ID_FS_TYPE=f2fs
diff --git a/tests/expected/blkid/low-probe-fat b/tests/expected/blkid/low-probe-fat
index a463cc987..bb686b24e 100644
--- a/tests/expected/blkid/low-probe-fat
+++ b/tests/expected/blkid/low-probe-fat
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=TEST-FAT
 ID_FS_LABEL_ENC=TEST-FAT
 ID_FS_LABEL_FATBOOT=TEST-FAT
diff --git a/tests/expected/blkid/low-probe-fat16_noheads b/tests/expected/blkid/low-probe-fat16_noheads
index ff9ef2e69..5b8fc916e 100644
--- a/tests/expected/blkid/low-probe-fat16_noheads
+++ b/tests/expected/blkid/low-probe-fat16_noheads
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=VTech_1070
 ID_FS_LABEL_ENC=VTech\x201070
 ID_FS_SEC_TYPE=msdos
diff --git a/tests/expected/blkid/low-probe-fat32_cp850_O_tilde b/tests/expected/blkid/low-probe-fat32_cp850_O_tilde
index ca49f200d..16c519884 100644
--- a/tests/expected/blkid/low-probe-fat32_cp850_O_tilde
+++ b/tests/expected/blkid/low-probe-fat32_cp850_O_tilde
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=___
 ID_FS_LABEL_ENC=\xe5\xe5\xe5
 ID_FS_LABEL_FATBOOT=___
diff --git a/tests/expected/blkid/low-probe-fat32_label_64MB b/tests/expected/blkid/low-probe-fat32_label_64MB
index 4a99f8ff6..41b656a84 100644
--- a/tests/expected/blkid/low-probe-fat32_label_64MB
+++ b/tests/expected/blkid/low-probe-fat32_label_64MB
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=BINGO
 ID_FS_LABEL_ENC=BINGO
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1 b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1
index 5d1771de3..14aee2eb9 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=label1
 ID_FS_LABEL_ENC=label1
 ID_FS_LABEL_FATBOOT=label1
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_NO_NAME b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_NO_NAME
index c13af9021..1891157ed 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_NO_NAME
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_NO_NAME
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=NO_NAME
 ID_FS_LABEL_ENC=NO\x20NAME
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_empty b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_empty
index 73c553e54..206782fa9 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_empty
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_empty
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_TYPE=vfat
 ID_FS_USAGE=filesystem
 ID_FS_UUID=92B4-BA66
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_label2 b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_label2
index 4b8146208..cf635a218 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_label2
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_dosfslabel_label2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=label2
 ID_FS_LABEL_ENC=label2
 ID_FS_LABEL_FATBOOT=label2
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_NO_NAME b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_NO_NAME
index c13af9021..1891157ed 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_NO_NAME
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_NO_NAME
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=NO_NAME
 ID_FS_LABEL_ENC=NO\x20NAME
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_erase b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_erase
index 73c553e54..206782fa9 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_erase
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_mlabel_erase
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_TYPE=vfat
 ID_FS_USAGE=filesystem
 ID_FS_UUID=92B4-BA66
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_erase b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_erase
index 075278de4..6088d17be 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_erase
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_erase
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL_FATBOOT=label1
 ID_FS_LABEL_FATBOOT_ENC=label1
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_label2 b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_label2
index fe4884d28..802a66f14 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_label2
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_label1_xp_label2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LABEL2
 ID_FS_LABEL_ENC=LABEL2
 ID_FS_LABEL_FATBOOT=label1
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_none b/tests/expected/blkid/low-probe-fat32_mkdosfs_none
index 547517616..66a7923ed 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_none
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_none
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_TYPE=vfat
 ID_FS_USAGE=filesystem
 ID_FS_UUID=E6B8-AF8C
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_NO_NAME b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_NO_NAME
index 547517616..66a7923ed 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_NO_NAME
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_NO_NAME
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_TYPE=vfat
 ID_FS_USAGE=filesystem
 ID_FS_UUID=E6B8-AF8C
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1 b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1
index dfacd9b6a..e45da35d8 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL_FATBOOT=label1
 ID_FS_LABEL_FATBOOT_ENC=label1
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1_xp_label2 b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1_xp_label2
index 142259c87..ad2bf8fda 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1_xp_label2
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_dosfslabel_label1_xp_label2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LABEL2
 ID_FS_LABEL_ENC=LABEL2
 ID_FS_LABEL_FATBOOT=label1
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1 b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1
index d1360ada0..a5e490064 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LABEL1
 ID_FS_LABEL_ENC=LABEL1
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1_dosfslabel_label2 b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1_dosfslabel_label2
index c078359c6..e3473b9cc 100644
--- a/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1_dosfslabel_label2
+++ b/tests/expected/blkid/low-probe-fat32_mkdosfs_none_xp_label1_dosfslabel_label2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=label2
 ID_FS_LABEL_ENC=label2
 ID_FS_LABEL_FATBOOT=label2
diff --git a/tests/expected/blkid/low-probe-fat32_xp_label1 b/tests/expected/blkid/low-probe-fat32_xp_label1
index 8a27d7e1c..9a82d11c2 100644
--- a/tests/expected/blkid/low-probe-fat32_xp_label1
+++ b/tests/expected/blkid/low-probe-fat32_xp_label1
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LABEL1
 ID_FS_LABEL_ENC=LABEL1
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_xp_none b/tests/expected/blkid/low-probe-fat32_xp_none
index f8271c2b7..b4d6f4fdf 100644
--- a/tests/expected/blkid/low-probe-fat32_xp_none
+++ b/tests/expected/blkid/low-probe-fat32_xp_none
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_TYPE=vfat
 ID_FS_USAGE=filesystem
 ID_FS_UUID=54B6-DC94
diff --git a/tests/expected/blkid/low-probe-fat32_xp_none_dosfslabel_label1 b/tests/expected/blkid/low-probe-fat32_xp_none_dosfslabel_label1
index fdc5eb6f6..560b394a0 100644
--- a/tests/expected/blkid/low-probe-fat32_xp_none_dosfslabel_label1
+++ b/tests/expected/blkid/low-probe-fat32_xp_none_dosfslabel_label1
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL_FATBOOT=label1
 ID_FS_LABEL_FATBOOT_ENC=label1
 ID_FS_TYPE=vfat
diff --git a/tests/expected/blkid/low-probe-fat32_xp_none_mlabel_label1 b/tests/expected/blkid/low-probe-fat32_xp_none_mlabel_label1
index 74f271519..1b0a87806 100644
--- a/tests/expected/blkid/low-probe-fat32_xp_none_mlabel_label1
+++ b/tests/expected/blkid/low-probe-fat32_xp_none_mlabel_label1
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LABEL1
 ID_FS_LABEL_ENC=LABEL1
 ID_FS_LABEL_FATBOOT=LABEL1
diff --git a/tests/expected/blkid/low-probe-gfs2 b/tests/expected/blkid/low-probe-gfs2
index f04529bc0..8b2840f41 100644
--- a/tests/expected/blkid/low-probe-gfs2
+++ b/tests/expected/blkid/low-probe-gfs2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=mycluster:mygfs2
 ID_FS_LABEL_ENC=mycluster:mygfs2
 ID_FS_TYPE=gfs2
diff --git a/tests/expected/blkid/low-probe-hfsplus b/tests/expected/blkid/low-probe-hfsplus
index cc351a042..07e60ea25 100644
--- a/tests/expected/blkid/low-probe-hfsplus
+++ b/tests/expected/blkid/low-probe-hfsplus
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=123456789ABCDE
 ID_FS_LABEL_ENC=123456789ABCDE
 ID_FS_TYPE=hfsplus
diff --git a/tests/expected/blkid/low-probe-hpfs b/tests/expected/blkid/low-probe-hpfs
index 7e4a12b97..a6198c640 100644
--- a/tests/expected/blkid/low-probe-hpfs
+++ b/tests/expected/blkid/low-probe-hpfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=P01_S16A
 ID_FS_LABEL_ENC=P01\x20S16A
 ID_FS_TYPE=hpfs
diff --git a/tests/expected/blkid/low-probe-iso b/tests/expected/blkid/low-probe-iso
index 5c8a3d0fd..3e9be8f98 100644
--- a/tests/expected/blkid/low-probe-iso
+++ b/tests/expected/blkid/low-probe-iso
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=GENISOIMAGE\x20ISO\x209660\x2fHFS\x20FILESYSTEM\x20CREATOR\x20\x28C\x29\x201993\x20E.YOUNGDALE\x20\x28C\x29\x201997-2006\x20J.PEARSON\x2fJ.SCHILLING\x20\x28C\x29\x202006-2007\x20CDRKIT\x20TEAM
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=IsoVolumeName
 ID_FS_LABEL_ENC=IsoVolumeName
 ID_FS_SYSTEM_ID=LINUX
diff --git a/tests/expected/blkid/low-probe-iso-different-iso-joliet-label b/tests/expected/blkid/low-probe-iso-different-iso-joliet-label
index f618d024d..34663a358 100644
--- a/tests/expected/blkid/low-probe-iso-different-iso-joliet-label
+++ b/tests/expected/blkid/low-probe-iso-different-iso-joliet-label
@@ -1,6 +1,7 @@
 ID_FS_APPLICATION_ID=Joliet\x20Application
 ID_FS_BLOCK_SIZE=2048
 ID_FS_DATA_PREPARER_ID=Joliet\x20Preparer
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=Joliet_Label
 ID_FS_LABEL_ENC=Joliet\x20Label
 ID_FS_PUBLISHER_ID=Joliet\x20Publisher
diff --git a/tests/expected/blkid/low-probe-iso-joliet b/tests/expected/blkid/low-probe-iso-joliet
index e97dbde3c..c92484a75 100644
--- a/tests/expected/blkid/low-probe-iso-joliet
+++ b/tests/expected/blkid/low-probe-iso-joliet
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=GENISOIMAGE\x20ISO\x209660\x2fHFS\x20FILESYSTEM\x20CREATOR\x20\x28C\x29\x201993\x20E.YOUNGDALE\x20\x28C\x29\x201997-2006\x20J.PEARSON\x2fJ.SCHILLING\x20\x28C\x29\x202006-2007\x20CDRKIT\x20TEAM
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=ThisWonderfulLabelIsVeryVeryLong
 ID_FS_LABEL_ENC=ThisWonderfulLabelIsVeryVeryLong
 ID_FS_SYSTEM_ID=LINUX
diff --git a/tests/expected/blkid/low-probe-iso-multi-genisoimage-0 b/tests/expected/blkid/low-probe-iso-multi-genisoimage-0
index d8217f529..eed747e48 100644
--- a/tests/expected/blkid/low-probe-iso-multi-genisoimage-0
+++ b/tests/expected/blkid/low-probe-iso-multi-genisoimage-0
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=GENISOIMAGE\x20ISO\x209660\x2fHFS\x20FILESYSTEM\x20CREATOR\x20\x28C\x29\x201993\x20E.YOUNGDALE\x20\x28C\x29\x201997-2006\x20J.PEARSON\x2fJ.SCHILLING\x20\x28C\x29\x202006-2007\x20CDRKIT\x20TEAM
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=first_session
 ID_FS_LABEL_ENC=first\x20session
 ID_FS_SYSTEM_ID=LINUX
diff --git a/tests/expected/blkid/low-probe-iso-multi-genisoimage-174 b/tests/expected/blkid/low-probe-iso-multi-genisoimage-174
index 9c18d0dde..aa71cff78 100644
--- a/tests/expected/blkid/low-probe-iso-multi-genisoimage-174
+++ b/tests/expected/blkid/low-probe-iso-multi-genisoimage-174
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=GENISOIMAGE\x20ISO\x209660\x2fHFS\x20FILESYSTEM\x20CREATOR\x20\x28C\x29\x201993\x20E.YOUNGDALE\x20\x28C\x29\x201997-2006\x20J.PEARSON\x2fJ.SCHILLING\x20\x28C\x29\x202006-2007\x20CDRKIT\x20TEAM
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=second_session
 ID_FS_LABEL_ENC=second\x20session
 ID_FS_SYSTEM_ID=LINUX
diff --git a/tests/expected/blkid/low-probe-iso-multi-genisoimage-348 b/tests/expected/blkid/low-probe-iso-multi-genisoimage-348
index 7e3c5ba01..caf2010a5 100644
--- a/tests/expected/blkid/low-probe-iso-multi-genisoimage-348
+++ b/tests/expected/blkid/low-probe-iso-multi-genisoimage-348
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=GENISOIMAGE\x20ISO\x209660\x2fHFS\x20FILESYSTEM\x20CREATOR\x20\x28C\x29\x201993\x20E.YOUNGDALE\x20\x28C\x29\x201997-2006\x20J.PEARSON\x2fJ.SCHILLING\x20\x28C\x29\x202006-2007\x20CDRKIT\x20TEAM
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=third_session
 ID_FS_LABEL_ENC=third\x20session
 ID_FS_SYSTEM_ID=LINUX
diff --git a/tests/expected/blkid/low-probe-iso-rr-joliet b/tests/expected/blkid/low-probe-iso-rr-joliet
index 711e04bbc..fdfc69616 100644
--- a/tests/expected/blkid/low-probe-iso-rr-joliet
+++ b/tests/expected/blkid/low-probe-iso-rr-joliet
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=GENISOIMAGE\x20ISO\x209660\x2fHFS\x20FILESYSTEM\x20CREATOR\x20\x28C\x29\x201993\x20E.YOUNGDALE\x20\x28C\x29\x201997-2006\x20J.PEARSON\x2fJ.SCHILLING\x20\x28C\x29\x202006-2007\x20CDRKIT\x20TEAM
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=ThisIsVolumeName
 ID_FS_LABEL_ENC=ThisIsVolumeName
 ID_FS_SYSTEM_ID=LINUX
diff --git a/tests/expected/blkid/low-probe-iso-unicode-long-label b/tests/expected/blkid/low-probe-iso-unicode-long-label
index 270ee8489..11403fdb0 100644
--- a/tests/expected/blkid/low-probe-iso-unicode-long-label
+++ b/tests/expected/blkid/low-probe-iso-unicode-long-label
@@ -1,6 +1,7 @@
 ID_FS_APPLICATION_ID=Nero\x20Linux
 ID_FS_BLOCK_SIZE=2048
 ID_FS_DATA_PREPARER_ID=Naïve\x20and\x20very\x20looooooooooooooooooooooooooooooooooooooooooooooooOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG\x20DATA\x20PREPARER
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=Naïve_and_very_lOOOOOOOONG_LABEL
 ID_FS_LABEL_ENC=Naïve\x20and\x20very\x20lOOOOOOOONG_LABEL
 ID_FS_PUBLISHER_ID=Naïve\x20and\x20very\x20looooooooooooooooooooooooooooooooooooooooooooooooOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG\x20PUBLISHER
diff --git a/tests/expected/blkid/low-probe-jbd b/tests/expected/blkid/low-probe-jbd
index f5462a2a3..36c7d4062 100644
--- a/tests/expected/blkid/low-probe-jbd
+++ b/tests/expected/blkid/low-probe-jbd
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_FSLASTBLOCK=1024
 ID_FS_LOGUUID=0d7a07df-7b06-4829-bce7-3b9c3ece570c
 ID_FS_TYPE=jbd
diff --git a/tests/expected/blkid/low-probe-jfs b/tests/expected/blkid/low-probe-jfs
index ac7d31bac..ee6e1ead8 100644
--- a/tests/expected/blkid/low-probe-jfs
+++ b/tests/expected/blkid/low-probe-jfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=test-jfs
 ID_FS_LABEL_ENC=test-jfs
 ID_FS_TYPE=jfs
diff --git a/tests/expected/blkid/low-probe-minix-BE b/tests/expected/blkid/low-probe-minix-BE
index f73f1b5db..c6da3c195 100644
--- a/tests/expected/blkid/low-probe-minix-BE
+++ b/tests/expected/blkid/low-probe-minix-BE
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_TYPE=minix
 ID_FS_USAGE=filesystem
 ID_FS_VERSION=1
diff --git a/tests/expected/blkid/low-probe-minix-LE b/tests/expected/blkid/low-probe-minix-LE
index f73f1b5db..c6da3c195 100644
--- a/tests/expected/blkid/low-probe-minix-LE
+++ b/tests/expected/blkid/low-probe-minix-LE
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_TYPE=minix
 ID_FS_USAGE=filesystem
 ID_FS_VERSION=1
diff --git a/tests/expected/blkid/low-probe-nilfs2 b/tests/expected/blkid/low-probe-nilfs2
index ff27e0b23..4bd466552 100644
--- a/tests/expected/blkid/low-probe-nilfs2
+++ b/tests/expected/blkid/low-probe-nilfs2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=test-nilfs2
 ID_FS_LABEL_ENC=test-nilfs2
 ID_FS_TYPE=nilfs2
diff --git a/tests/expected/blkid/low-probe-ntfs b/tests/expected/blkid/low-probe-ntfs
index 790157aaa..64722f2a7 100644
--- a/tests/expected/blkid/low-probe-ntfs
+++ b/tests/expected/blkid/low-probe-ntfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=Новый_том
 ID_FS_LABEL_ENC=Новый\x20том
 ID_FS_TYPE=ntfs
diff --git a/tests/expected/blkid/low-probe-ocfs2 b/tests/expected/blkid/low-probe-ocfs2
index 9b84dbe67..99189f39f 100644
--- a/tests/expected/blkid/low-probe-ocfs2
+++ b/tests/expected/blkid/low-probe-ocfs2
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_LABEL=test-ocfs2
 ID_FS_LABEL_ENC=test-ocfs2
 ID_FS_TYPE=ocfs2
diff --git a/tests/expected/blkid/low-probe-reiser3 b/tests/expected/blkid/low-probe-reiser3
index 1c4b1478d..3ae71201c 100644
--- a/tests/expected/blkid/low-probe-reiser3
+++ b/tests/expected/blkid/low-probe-reiser3
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=TESTREISER
 ID_FS_LABEL_ENC=TESTREISER
 ID_FS_TYPE=reiserfs
diff --git a/tests/expected/blkid/low-probe-reiser4 b/tests/expected/blkid/low-probe-reiser4
index 66df064fd..f8896bb57 100644
--- a/tests/expected/blkid/low-probe-reiser4
+++ b/tests/expected/blkid/low-probe-reiser4
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=TESTR4
 ID_FS_LABEL_ENC=TESTR4
 ID_FS_TYPE=reiser4
diff --git a/tests/expected/blkid/low-probe-romfs b/tests/expected/blkid/low-probe-romfs
index b56a6b881..2c606ecc1 100644
--- a/tests/expected/blkid/low-probe-romfs
+++ b/tests/expected/blkid/low-probe-romfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_LABEL=test-romfs
 ID_FS_LABEL_ENC=test-romfs
 ID_FS_TYPE=romfs
diff --git a/tests/expected/blkid/low-probe-small-fat32 b/tests/expected/blkid/low-probe-small-fat32
index d9c63c710..e6ffb6550 100644
--- a/tests/expected/blkid/low-probe-small-fat32
+++ b/tests/expected/blkid/low-probe-small-fat32
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=TESTVFAT
 ID_FS_LABEL_ENC=TESTVFAT
 ID_FS_LABEL_FATBOOT=TESTVFAT
diff --git a/tests/expected/blkid/low-probe-udf b/tests/expected/blkid/low-probe-udf
index b00ae7b8a..d8cd25bbf 100644
--- a/tests/expected/blkid/low-probe-udf
+++ b/tests/expected/blkid/low-probe-udf
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=genisoimage
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=test-udf
 ID_FS_LABEL_ENC=test-udf
 ID_FS_LOGICAL_VOLUME_ID=test-udf
diff --git a/tests/expected/blkid/low-probe-udf-bdr-2.60-nero b/tests/expected/blkid/low-probe-udf-bdr-2.60-nero
index 006499223..677c2a353 100644
--- a/tests/expected/blkid/low-probe-udf-bdr-2.60-nero
+++ b/tests/expected/blkid/low-probe-udf-bdr-2.60-nero
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Nero
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=Label
 ID_FS_LABEL_ENC=Label
 ID_FS_LOGICAL_VOLUME_ID=Label
diff --git a/tests/expected/blkid/low-probe-udf-cd-mkudfiso-20100208 b/tests/expected/blkid/low-probe-udf-cd-mkudfiso-20100208
index 649e5be94..924d78f7d 100644
--- a/tests/expected/blkid/low-probe-udf-cd-mkudfiso-20100208
+++ b/tests/expected/blkid/low-probe-udf-cd-mkudfiso-20100208
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=mkudfiso
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=Volume_Label
 ID_FS_LABEL_ENC=Volume\x20Label
 ID_FS_LOGICAL_VOLUME_ID=Volume\x20Label
diff --git a/tests/expected/blkid/low-probe-udf-cd-nero-6 b/tests/expected/blkid/low-probe-udf-cd-nero-6
index 7474bc4db..bc1b5fe85 100644
--- a/tests/expected/blkid/low-probe-udf-cd-nero-6
+++ b/tests/expected/blkid/low-probe-udf-cd-nero-6
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Nero
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=UDF_Label
 ID_FS_LABEL_ENC=UDF\x20Label
 ID_FS_LOGICAL_VOLUME_ID=UDF\x20Label
diff --git a/tests/expected/blkid/low-probe-udf-hdd-macosx-2.60-4096 b/tests/expected/blkid/low-probe-udf-hdd-macosx-2.60-4096
index 152877a13..c8e5ac396 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-macosx-2.60-4096
+++ b/tests/expected/blkid/low-probe-udf-hdd-macosx-2.60-4096
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Mac\x20OS\x20X\x20udf\x20newfs_udf
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=Untitled_UDF_Volume
 ID_FS_LABEL_ENC=Untitled\x20UDF\x20Volume
 ID_FS_LOGICAL_VOLUME_ID=Untitled\x20UDF\x20Volume
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-1 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-1
index 930259204..0f073c007 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-1
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-1
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LinuxUDF
 ID_FS_LABEL_ENC=LinuxUDF
 ID_FS_LOGICAL_VOLUME_ID=LinuxUDF
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-2 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-2
index a0fdb2ee2..c55e23326 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-2
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.0.0-2
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=Label
 ID_FS_LABEL_ENC=Label
 ID_FS_LOGICAL_VOLUME_ID=Label
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-1 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-1
index ef36b84e0..37586914c 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-1
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-1
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=Label
 ID_FS_LABEL_ENC=Label
 ID_FS_LOGICAL_VOLUME_ID=Label
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-2 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-2
index 58a8bf612..521e0ff12 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-2
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-2
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=Label
 ID_FS_LABEL_ENC=Label
 ID_FS_LOGICAL_VOLUME_ID=Label
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-3 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-3
index 0e1e7706b..e720867bd 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-3
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-3
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=ÿ
 ID_FS_LABEL_ENC=ÿ
 ID_FS_LOGICAL_VOLUME_ID=ÿ
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-4 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-4
index 00561717d..ecd8c3c9f 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-4
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-4
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=1024
+ID_FS_FSBLOCKSIZE=1024
 ID_FS_LABEL=Label
 ID_FS_LABEL_ENC=Label
 ID_FS_LOGICAL_VOLUME_ID=Label
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-5 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-5
index 69ee62f97..df2d901f5 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-5
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-5
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=Label
 ID_FS_LABEL_ENC=Label
 ID_FS_LOGICAL_VOLUME_ID=Label
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-6 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-6
index 2d3876b7e..aba8d2e48 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-6
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-6
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
 ID_FS_LABEL_ENC=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
 ID_FS_LOGICAL_VOLUME_ID=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-7 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-7
index e60bf1793..67faf3424 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-7
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-7
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_LABEL=Label4096
 ID_FS_LABEL_ENC=Label4096
 ID_FS_LOGICAL_VOLUME_ID=Label4096
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-8 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-8
index 078578242..11a3bde27 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-8
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-1.3-8
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=LinuxUDF
 ID_FS_LABEL_ENC=LinuxUDF
 ID_FS_LOGICAL_VOLUME_ID=LinuxUDF
diff --git a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-2.2 b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-2.2
index 77300512a..c61e8b5eb 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-mkudffs-2.2
+++ b/tests/expected/blkid/low-probe-udf-hdd-mkudffs-2.2
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=😀
 ID_FS_LABEL_ENC=😀
 ID_FS_LOGICAL_VOLUME_ID=😀
diff --git a/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.5 b/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.5
index 6cb1ffeee..c173bb8d6 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.5
+++ b/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.5
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=UDFtoolkit
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=discname
 ID_FS_LABEL_ENC=discname
 ID_FS_LOGICAL_VOLUME_ID=discname
diff --git a/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.7 b/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.7
index 7a35e0f0d..4c71a0cce 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.7
+++ b/tests/expected/blkid/low-probe-udf-hdd-udfclient-0.7.7
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=UDFtoolkit
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=discname
 ID_FS_LABEL_ENC=discname
 ID_FS_LOGICAL_VOLUME_ID=discname
diff --git a/tests/expected/blkid/low-probe-udf-hdd-win7 b/tests/expected/blkid/low-probe-udf-hdd-win7
index ad9616bc7..eafa7f019 100644
--- a/tests/expected/blkid/low-probe-udf-hdd-win7
+++ b/tests/expected/blkid/low-probe-udf-hdd-win7
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Microsoft\x20Windows
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=My_volume_label
 ID_FS_LABEL_ENC=My\x20volume\x20label
 ID_FS_LOGICAL_VOLUME_ID=My\x20volume\x20label
diff --git a/tests/expected/blkid/low-probe-udf-multi-genisoimage-0 b/tests/expected/blkid/low-probe-udf-multi-genisoimage-0
index f598baaa0..5eeb78d33 100644
--- a/tests/expected/blkid/low-probe-udf-multi-genisoimage-0
+++ b/tests/expected/blkid/low-probe-udf-multi-genisoimage-0
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=genisoimage
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=first_session
 ID_FS_LABEL_ENC=first\x20session
 ID_FS_LOGICAL_VOLUME_ID=first\x20session
diff --git a/tests/expected/blkid/low-probe-udf-multi-genisoimage-417 b/tests/expected/blkid/low-probe-udf-multi-genisoimage-417
index bb4d8c72f..5d2c7843f 100644
--- a/tests/expected/blkid/low-probe-udf-multi-genisoimage-417
+++ b/tests/expected/blkid/low-probe-udf-multi-genisoimage-417
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=genisoimage
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=second_session
 ID_FS_LABEL_ENC=second\x20session
 ID_FS_LOGICAL_VOLUME_ID=second\x20session
diff --git a/tests/expected/blkid/low-probe-udf-multi-genisoimage-834 b/tests/expected/blkid/low-probe-udf-multi-genisoimage-834
index bc4dcba65..aa7a1630a 100644
--- a/tests/expected/blkid/low-probe-udf-multi-genisoimage-834
+++ b/tests/expected/blkid/low-probe-udf-multi-genisoimage-834
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=genisoimage
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=third_session
 ID_FS_LABEL_ENC=third\x20session
 ID_FS_LOGICAL_VOLUME_ID=third\x20session
diff --git a/tests/expected/blkid/low-probe-udf-multi-mkudffs-0 b/tests/expected/blkid/low-probe-udf-multi-mkudffs-0
index 07557d7ca..a1a234e89 100644
--- a/tests/expected/blkid/low-probe-udf-multi-mkudffs-0
+++ b/tests/expected/blkid/low-probe-udf-multi-mkudffs-0
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=first_session
 ID_FS_LABEL_ENC=first\x20session
 ID_FS_LOGICAL_VOLUME_ID=first\x20session
diff --git a/tests/expected/blkid/low-probe-udf-multi-mkudffs-320 b/tests/expected/blkid/low-probe-udf-multi-mkudffs-320
index 458cf3e23..84285894d 100644
--- a/tests/expected/blkid/low-probe-udf-multi-mkudffs-320
+++ b/tests/expected/blkid/low-probe-udf-multi-mkudffs-320
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=second_session
 ID_FS_LABEL_ENC=second\x20session
 ID_FS_LOGICAL_VOLUME_ID=second\x20session
diff --git a/tests/expected/blkid/low-probe-udf-multi-mkudffs-640 b/tests/expected/blkid/low-probe-udf-multi-mkudffs-640
index 04cc4f11c..59c914280 100644
--- a/tests/expected/blkid/low-probe-udf-multi-mkudffs-640
+++ b/tests/expected/blkid/low-probe-udf-multi-mkudffs-640
@@ -1,5 +1,6 @@
 ID_FS_APPLICATION_ID=Linux\x20mkudffs
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_LABEL=third_session
 ID_FS_LABEL_ENC=third\x20session
 ID_FS_LOGICAL_VOLUME_ID=third\x20session
diff --git a/tests/expected/blkid/low-probe-ufs b/tests/expected/blkid/low-probe-ufs
index 256f065d2..d771bc8d5 100644
--- a/tests/expected/blkid/low-probe-ufs
+++ b/tests/expected/blkid/low-probe-ufs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=2048
+ID_FS_FSBLOCKSIZE=2048
 ID_FS_TYPE=ufs
 ID_FS_USAGE=filesystem
 ID_FS_UUID=4b0e640aec56ac70
diff --git a/tests/expected/blkid/low-probe-xfs b/tests/expected/blkid/low-probe-xfs
index be9c4194a..0eb803f52 100644
--- a/tests/expected/blkid/low-probe-xfs
+++ b/tests/expected/blkid/low-probe-xfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_FSLASTBLOCK=4096
 ID_FS_FSSIZE=11862016
 ID_FS_LABEL=test-xfs
diff --git a/tests/expected/blkid/low-probe-xfs-v5 b/tests/expected/blkid/low-probe-xfs-v5
index fd2cba933..7525b0888 100644
--- a/tests/expected/blkid/low-probe-xfs-v5
+++ b/tests/expected/blkid/low-probe-xfs-v5
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_FSLASTBLOCK=5120
 ID_FS_FSSIZE=17469440
 ID_FS_LABEL=test-xfs-v5
diff --git a/tests/expected/blkid/low-probe-zfs b/tests/expected/blkid/low-probe-zfs
index 0e7af2866..f7e481b54 100644
--- a/tests/expected/blkid/low-probe-zfs
+++ b/tests/expected/blkid/low-probe-zfs
@@ -1,4 +1,5 @@
 ID_FS_BLOCK_SIZE=512
+ID_FS_FSBLOCKSIZE=512
 ID_FS_LABEL=tank
 ID_FS_LABEL_ENC=tank
 ID_FS_TYPE=zfs_member
diff --git a/tests/expected/blkid/low-probe-zonefs b/tests/expected/blkid/low-probe-zonefs
index cc15459a1..59c86f3fd 100644
--- a/tests/expected/blkid/low-probe-zonefs
+++ b/tests/expected/blkid/low-probe-zonefs
@@ -1,3 +1,4 @@
 ID_FS_BLOCK_SIZE=4096
+ID_FS_FSBLOCKSIZE=4096
 ID_FS_TYPE=zonefs
 ID_FS_USAGE=filesystem
-- 
2.36.1