tree f83eb2e88c180612a859e0e36be78cf0afaff78b
parent 1209cb7fa4afcd7f652a70e1d2028686ec28a7a5
author Bart Van Assche <bart.vanassche@wdc.com> 1519777934 -0800
committer Jens Axboe <axboe@kernel.dk> 1519845815 -0700

blk-mq-debugfs: Show zone locking information

When debugging the ZBC code in the mq-deadline scheduler it is very
important to know which zones are locked and which zones are not
locked. Hence this patch that exports the zone locking information
through debugfs.

Cc: Omar Sandoval <osandov@fb.com>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>