tree c965a7ffee387262de03c108c6fecc837e5b98bb
parent 2e85fbaff3a71e46038ec736186c42ffa721c775
author Damien Le Moal <damien.lemoal@wdc.com> 1539338925 +0900
committer Jens Axboe <axboe@kernel.dk> 1540487860 -0600

block: Introduce BLKGETZONESZ ioctl

Get a zoned block device zone size in number of 512 B sectors.
The zone size is always 0 for regular block devices.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>