null_blk: Fix zone write handling
authorDamien Le Moal <damien.lemoal@wdc.com>
Thu, 9 Jan 2020 05:03:55 +0000 (14:03 +0900)
committerJens Axboe <axboe@kernel.dk>
Wed, 15 Jan 2020 15:18:39 +0000 (08:18 -0700)
commit16c731fed6d8e5615e23d2fd59cfe62eb10d9ff4
tree2c0f9532089387ef752f99b55fc55a60290bf1db
parent4a2f704eb2d831a2d73d7f4cdd54f45c49c3c353
null_blk: Fix zone write handling

null_zone_write() only allows writing empty and implicitly opened zones.
Writing to closed and explicitly opened zones must also be allowed and
the zone condition must be transitioned to implicit open if the zone
is not explicitly opened already.

Fixes: da644b2cc1a4 ("null_blk: add zone open, close, and finish support")
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/null_blk_zoned.c