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block: Introduce BLKGETZONESZ ioctl
authorDamien Le Moal <damien.lemoal@wdc.com>
Fri, 12 Oct 2018 10:08:45 +0000 (19:08 +0900)
committerJens Axboe <axboe@kernel.dk>
Thu, 25 Oct 2018 17:17:40 +0000 (11:17 -0600)
commit72cd87576d1d885fc2968416ed5aca8f54749653
treec965a7ffee387262de03c108c6fecc837e5b98bbtree | snapshot
parent2e85fbaff3a71e46038ec736186c42ffa721c775commit | diff
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>
block/ioctl.c diff | blob | blame | history
include/uapi/linux/blkzoned.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git