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authorShaun Tancheff <shaun.tancheff@seagate.com>2016-10-18 15:40:32 +0900
committerJens Axboe <axboe@fb.com>2016-10-18 10:02:05 -0600
commit2d253440b5afb128d22ccdae812dde9ba77a2cca (patch)
tree40b59abcd6c952af8d13fdd11d9e13254a9915f7 /block
parent987b3b26eb7b19960160505faf9b2f50ae77e14d (diff)
block: Define zoned block device operations
Define REQ_OP_ZONE_REPORT and REQ_OP_ZONE_RESET for handling zones of host-managed and host-aware zoned block devices. With with these two new operations, the total number of operations defined reaches 8 and still fits with the 3 bits definition of REQ_OP_BITS. 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')
-rw-r--r--block/blk-core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 14d7c0740dc0..e4eda5d2aa56 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1941,6 +1941,10 @@ generic_make_request_checks(struct bio *bio)
case REQ_OP_WRITE_SAME:
if (!bdev_write_same(bio->bi_bdev))
goto not_supported;
+ case REQ_OP_ZONE_REPORT:
+ case REQ_OP_ZONE_RESET:
+ if (!bdev_is_zoned(bio->bi_bdev))
+ goto not_supported;
break;
default:
break;