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authorShaun Tancheff <shaun@tancheff.com>2016-10-18 15:40:35 +0900
committerJens Axboe <axboe@fb.com>2016-10-18 10:05:42 -0600
commit3ed05a987e0f63b21e634101e0b460d32f3581c3 (patch)
tree5c5e4166fcba2cf6ceb8bc7d88e586ac752f1094 /block/ioctl.c
parent6a0cb1bc106fc07ce0443303bcdb7f7da5131e5c (diff)
downloadlinux-3ed05a987e0f63b21e634101e0b460d32f3581c3.tar.bz2
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>
Diffstat (limited to 'block/ioctl.c')
-rw-r--r--block/ioctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/ioctl.c b/block/ioctl.c
index 755119c3c1b9..f856963204f4 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -519,6 +519,10 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
BLKDEV_DISCARD_SECURE);
case BLKZEROOUT:
return blk_ioctl_zeroout(bdev, mode, arg);
+ case BLKREPORTZONE:
+ return blkdev_report_zones_ioctl(bdev, mode, cmd, arg);
+ case BLKRESETZONE:
+ return blkdev_reset_zones_ioctl(bdev, mode, cmd, arg);
case HDIO_GETGEO:
return blkdev_getgeo(bdev, argp);
case BLKRAGET: