tree c55164e7ccf02f6e7e936757ed178b06109fcca2
parent 23a50861adda26a3f3b3ec5fbca0583133d89538
author Christoph Hellwig <hch@lst.de> 1573439970 +0900
committer Jens Axboe <axboe@kernel.dk> 1573611127 -0700

block: rework zone reporting

Avoid the need to allocate a potentially large array of struct blk_zone
in the block layer by switching the ->report_zones method interface to
a callback model. Now the caller simply supplies a callback that is
executed on each reported zone, and private data for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>