当尝试调整挂载的文件系统大小时，出现 "error: "ext4_resize_begin:44:There are errors in the filesystem, so online resizing is not allowed"。

Issue

• resize2fs 显示在 LVM 中调整文件系统大小被拒绝：

  # resize2fs /dev/mapper/vg00-lvol01
  resize2fs 1.42.9 (28-Dec-2013)
  Filesystem at /dev/mapper/vg00-lvol01 is mounted on /example/mount; on-line resizing required
  old_desc_blocks = 38, new_desc_blocks = 39
  resize2fs: Permission denied to resize filesystem
  

• dmesg 输出显示 EXT4 错误：

  [1961058.837362] EXT4-fs warning (device dm-13): ext4_resize_begin:44: There are errors in the 
  filesystem, so online resizing is not allowed
  [1961061.230812] EXT4-fs warning (device dm-14): ext4_resize_begin:44: There are errors in the filesystem, so online resizing is not allowed
  [1961214.093522] EXT4-fs warning (device dm-13): ext4_resize_begin:44: There are errors in the filesystem, so online resizing is not allowed