Is the EXT journaling option "data=writeback" supported in RHEL?

Solution Verified - Updated -

Issue

  • Is the EXT journaling option "data=writeback" supported in RHEL?
# cat /proc/mounts 
...
/dev/loop0 /mnt/test ext4 rw,seclabel,relatime,barrier=1,data=writeback 0 0

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • EXT3
  • EXT4

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