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bdev/ocssd: Clean-up three small helper functions for zone

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Clean-up bdev_ocssd_num_zones(), bdev_ocssd_get_zone_by_lba(),
and bdev_ocssd_get_zone_by_slba() to make a little easier to read
and understand.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I13c92dc86dc3855f1ec9ab5ae9d7097607f20512
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5129
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Shuhei Matsumoto 2020-11-16 18:30:04 +09:00 committed by Tomasz Zawadzki
parent 729f7ec516
commit f90c6378a5
1 changed files with 10 additions and 9 deletions
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19
module/bdev/nvme/bdev_ocssd.c
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@ -182,32 +182,33 @@ SPDK_BDEV_MODULE_REGISTER(ocssd, &ocssd_if);
static uint64_t
bdev_ocssd_num_zones(const struct ocssd_bdev *ocssd_bdev)
{
return ocssd_bdev->nvme_bdev.disk.blockcnt / ocssd_bdev->nvme_bdev.disk.zone_size;
const struct spdk_bdev *bdev = &ocssd_bdev->nvme_bdev.disk;
return bdev->blockcnt / bdev->zone_size;
}
static struct bdev_ocssd_zone *
bdev_ocssd_get_zone_by_lba(struct ocssd_bdev *ocssd_bdev, uint64_t lba)
bdev_ocssd_get_zone_by_lba(const struct ocssd_bdev *ocssd_bdev, uint64_t lba)
{
struct nvme_bdev *nvme_bdev = &ocssd_bdev->nvme_bdev;
size_t zone_size = nvme_bdev->disk.zone_size;
const struct spdk_bdev *bdev = &ocssd_bdev->nvme_bdev.disk;
if (lba >= nvme_bdev->disk.blockcnt) {
if (lba >= bdev->blockcnt) {
return NULL;
}
return &ocssd_bdev->zones[lba / zone_size];
return &ocssd_bdev->zones[lba / bdev->zone_size];
}
static struct bdev_ocssd_zone *
bdev_ocssd_get_zone_by_slba(struct ocssd_bdev *ocssd_bdev, uint64_t slba)
{
struct nvme_bdev *nvme_bdev = &ocssd_bdev->nvme_bdev;
const struct spdk_bdev *bdev = &ocssd_bdev->nvme_bdev.disk;
if (slba % nvme_bdev->disk.zone_size != 0) {
if (slba % bdev->zone_size != 0 || slba >= bdev->blockcnt) {
return NULL;
}
return bdev_ocssd_get_zone_by_lba(ocssd_bdev, slba);
return &ocssd_bdev->zones[slba / bdev->zone_size];
}
static void