Question about ftype

[Eric Sandeen]

On 8/3/15 1:09 PM, Iustin Pop wrote:
> Hi all,
> 
> I recently saw that a newly created filesystem has ftype=1. Reading the
> man pages of mkfs.xfs and xfs_admin/xfs_db and not finding anything
> about changing ftype (xfsprogs 3.2.4) leads me to believe that this
> feature can only be set at mkfs time, but could someone confirm if it is
> indeed so?

That is correct - it is an on-disk format change, and can only be set
at mkfs time.

It was enabled by default (along with metadata CRCs) in xfsprogs v3.2.3

-Eric