Shaun Tancheff 3ed05a987e
blk-zoned: implement ioctls ...
Adds the new BLKREPORTZONE and BLKRESETZONE ioctls for respectively
obtaining the zone configuration of a zoned block device and resetting
the write pointer of sequential zones of a zoned block device.
The BLKREPORTZONE ioctl maps directly to a single call of the function
blkdev_report_zones. The zone information result is passed as an array
of struct blk_zone identical to the structure used internally for
processing the REQ_OP_ZONE_REPORT operation. The BLKRESETZONE ioctl
maps to a single call of the blkdev_reset_zones function.
Signed-off-by: Shaun Tancheff <shaun.tancheff@seagate.com >
Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com >
Reviewed-by: Christoph Hellwig <hch@lst.de >
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com >
Reviewed-by: Hannes Reinecke <hare@suse.com >
Signed-off-by: Jens Axboe <axboe@fb.com >
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3ed05a987e