diff options
| author |   Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2019-08-01 10:26:38 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-08-04 21:41:29 -0600 |
| commit | a61dbfb12bc6dadce91600fe3409a3675751c716 (patch) | |
| tree | 027c2b88b7d6518c35b03bc6b2ca6a07839d4f51 /drivers/block/null_blk_zoned.c | |
| parent | scsi: implement REQ_OP_ZONE_RESET_ALL (diff) | |
| download | linux-dev-a61dbfb12bc6dadce91600fe3409a3675751c716.tar.xz linux-dev-a61dbfb12bc6dadce91600fe3409a3675751c716.zip | |
null_blk: implement REQ_OP_ZONE_RESET_ALL
This patch implements newly introduced zone reset all operation for
null_blk driver.
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/null_blk_zoned.c')
| -rw-r--r-- | drivers/block/null_blk_zoned.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c index cb28d93f2bd1..8c7f5bf81975 100644 --- a/drivers/block/null_blk_zoned.c +++ b/drivers/block/null_blk_zoned.c @@ -125,12 +125,28 @@ void null_zone_reset(struct nullb_cmd *cmd, sector_t sector) struct nullb_device *dev = cmd->nq->dev; unsigned int zno = null_zone_no(dev, sector); struct blk_zone *zone = &dev->zones[zno]; + size_t i; + + switch (req_op(cmd->rq)) { + case REQ_OP_ZONE_RESET_ALL: + for (i = 0; i < dev->nr_zones; i++) { + if (zone[i].type == BLK_ZONE_TYPE_CONVENTIONAL) + continue; + zone[i].cond = BLK_ZONE_COND_EMPTY; + zone[i].wp = zone[i].start; + } + break; + case REQ_OP_ZONE_RESET: + if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) { + cmd->error = BLK_STS_IOERR; + return; + } - if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) { - cmd->error = BLK_STS_IOERR; - return; + zone->cond = BLK_ZONE_COND_EMPTY; + zone->wp = zone->start; + break; + default: + cmd->error = BLK_STS_NOTSUPP; + break; } - - zone->cond = BLK_ZONE_COND_EMPTY; - zone->wp = zone->start; } |