Verification done for Bionic.
$ uname -rv 4.15.0-113-generic #114-Ubuntu SMP Sun Aug 9 07:27:58 UTC 2020
$ sudo make-bcache --bdev $DEV --block 8k ... [ 18.467465] bcache: bcache_device_init() bcache0: sb/logical block size (8192) greater than page size (4096) falling back to device logical block size (512) [ 18.470409] bcache: register_bdev() registered backing device loop0
Verification done for Bionic.
$ uname -rv
4.15.0-113-generic #114-Ubuntu SMP Sun Aug 9 07:27:58 UTC 2020
$ sudo make-bcache --bdev $DEV --block 8k device_ init() bcache0: sb/logical block size (8192) greater than page size (4096) falling back to device logical block size (512)
...
[ 18.467465] bcache: bcache_
[ 18.470409] bcache: register_bdev() registered backing device loop0