Verification done on "eoan" (5.3/linux-hwe on Bionic)
$ uname -rv 5.3.0-65-generic #59-Ubuntu SMP Tue Jul 28 07:27:41 UTC 2020
$ sudo make-bcache --bdev $DEV --block 8k ... [ 103.766185] bcache: bcache_device_init() bcache0: sb/logical block size (8192) greater than page size (4096) falling back to device logical block size (512) [ 103.775319] bcache: register_bdev() registered backing device loop0
Verification done on "eoan" (5.3/linux-hwe on Bionic)
$ uname -rv
5.3.0-65-generic #59-Ubuntu SMP Tue Jul 28 07:27:41 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)
...
[ 103.766185] bcache: bcache_
[ 103.775319] bcache: register_bdev() registered backing device loop0