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>
This commit is contained in:
parent
2e85fbaff3
commit
72cd87576d
|
@ -532,6 +532,8 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
|
|||
return blkdev_report_zones_ioctl(bdev, mode, cmd, arg);
|
||||
case BLKRESETZONE:
|
||||
return blkdev_reset_zones_ioctl(bdev, mode, cmd, arg);
|
||||
case BLKGETZONESZ:
|
||||
return put_uint(arg, bdev_zone_sectors(bdev));
|
||||
case HDIO_GETGEO:
|
||||
return blkdev_getgeo(bdev, argp);
|
||||
case BLKRAGET:
|
||||
|
|
|
@ -137,8 +137,10 @@ struct blk_zone_range {
|
|||
* sector specified in the report request structure.
|
||||
* @BLKRESETZONE: Reset the write pointer of the zones in the specified
|
||||
* sector range. The sector range must be zone aligned.
|
||||
* @BLKGETZONESZ: Get the device zone size in number of 512 B sectors.
|
||||
*/
|
||||
#define BLKREPORTZONE _IOWR(0x12, 130, struct blk_zone_report)
|
||||
#define BLKRESETZONE _IOW(0x12, 131, struct blk_zone_range)
|
||||
#define BLKGETZONESZ _IOW(0x12, 132, __u32)
|
||||
|
||||
#endif /* _UAPI_BLKZONED_H */
|
||||
|
|
Loading…
Reference in a new issue