tree 48b5bf4a8b8087328351be1476a0ee7114fd6d46
parent 43c5fb8bc9e86e6e85d86395de8e29de69dee102
author Coly Li <colyli@suse.de> 1589712293 +0800
committer Coly Li <colyli@suse.de> 1591172613 +0800

bcache: reject writeback cache mode for zoned backing device

Currently we don't support writeback mode for zoned device as backing
device. So reject it by sysfs interface.

This rejection will be removed after the writeback cache mode support
for zoned device gets done.

Signed-off-by: Coly Li <colyli@suse.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>