LU-12477 ldiskfs: last cleanups
The patch to cleanup ldiskfs collided with the landing of the
ext4-mballoc-prefetch patch. Remove the last unsupported rhel7
bits. With the new Ubuntu 20 coming out we can drop Ubuntu16
support. Drop 3.12 kernel versions of SUSE.
Test-Parameters: trivial
Fixes:
fc87b01f96e8 ("LU-12477 ldiskfs: remove obsolete ext4 patches")
Change-Id: I15f9f59ffb1275e2eaabf7ca543fd4c4829aaf9e
Signed-off-by: James Simmons <jsimmons@infradead.org>
Reviewed-on: https://review.whamcloud.com/38139
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>