diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 240d792db9f7..53bdc67a815f 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -180,6 +180,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
 		ei_bl->i_flags = 0;
 		inode_set_iversion(inode_bl, 1);
 		i_size_write(inode_bl, 0);
+		EXT4_I(inode_bl)->i_disksize = inode_bl->i_size;
 		inode_bl->i_mode = S_IFREG;
 		if (ext4_has_feature_extents(sb)) {
 			ext4_set_inode_flag(inode_bl, EXT4_INODE_EXTENTS);