Reflinks for XFS are available in Fedora 27, so you no longer need to pull and compile xfsprogs from git. To leverage reflinks in XFS, you need to create a file system with the reflink=1 flag. [[email protected] mnt]# mkfs.xfs -m reflink=1 filesystem In my example I just created a file and mounted it on a loop device. [[email protected] mnt]# mkfs.xfs -m reflink=1 test.img Then I’ll mount it [[email protected] mnt]# mount -o loop test.

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John Hooks

I do stuff with Linux.

System Architect