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authorMing Lei <ming.lei@redhat.com>2023-08-10 14:43:26 +0200
committerJens Axboe <axboe@kernel.dk>2023-08-21 04:24:34 +0200
commit851e06297f20bbd85c93bbf09469f2150d1db218 (patch)
tree1a372f811e94b24aa7928873f9b784aadabef1a8 /drivers/block
parentMerge tag 'md-next-20230817' of https://git.kernel.org/pub/scm/linux/kernel/g... (diff)
downloadlinux-851e06297f20bbd85c93bbf09469f2150d1db218.tar.xz
linux-851e06297f20bbd85c93bbf09469f2150d1db218.zip
ublk: zoned: support REQ_OP_ZONE_RESET_ALL
There isn't any reason to not support REQ_OP_ZONE_RESET_ALL given everything is actually handled in userspace, not mention it is pretty easy to support RESET_ALL. So enable REQ_OP_ZONE_RESET_ALL and let userspace handle it. Verified by 'tools/zbc_reset_zone -all /dev/ublkb0' in libzbc[1] with libublk-rs based ublk-zoned target prototype[2], follows command line for creating ublk-zoned: cargo run --example zoned -- add -1 1024 # add $dev_id $DEV_SIZE [1] https://github.com/westerndigitalcorporation/libzbc [2] https://github.com/ming1/libublk-rs/tree/zoned.v2 Cc: Niklas Cassel <Niklas.Cassel@wdc.com> Cc: Damien Le Moal <dlemoal@kernel.org> Cc: Andreas Hindborg <a.hindborg@samsung.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20230810124326.321472-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/ublk_drv.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 6ecd728ee5ce..2d9cb59f8027 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -251,6 +251,7 @@ static int ublk_dev_param_zoned_apply(struct ublk_device *ub)
const struct ublk_param_zoned *p = &ub->params.zoned;
disk_set_zoned(ub->ub_disk, BLK_ZONED_HM);
+ blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ub->ub_disk->queue);
blk_queue_required_elevator_features(ub->ub_disk->queue,
ELEVATOR_F_ZBD_SEQ_WRITE);
disk_set_max_active_zones(ub->ub_disk, p->max_active_zones);
@@ -393,6 +394,9 @@ static blk_status_t ublk_setup_iod_zoned(struct ublk_queue *ubq,
case REQ_OP_ZONE_APPEND:
ublk_op = UBLK_IO_OP_ZONE_APPEND;
break;
+ case REQ_OP_ZONE_RESET_ALL:
+ ublk_op = UBLK_IO_OP_ZONE_RESET_ALL;
+ break;
case REQ_OP_DRV_IN:
ublk_op = pdu->operation;
switch (ublk_op) {
@@ -404,9 +408,8 @@ static blk_status_t ublk_setup_iod_zoned(struct ublk_queue *ubq,
default:
return BLK_STS_IOERR;
}
- case REQ_OP_ZONE_RESET_ALL:
case REQ_OP_DRV_OUT:
- /* We do not support reset_all and drv_out */
+ /* We do not support drv_out */
return BLK_STS_NOTSUPP;
default:
return BLK_STS_IOERR;