Message ID | 20220923173618.6899-5-p.raghav@samsung.com (mailing list archive) |
---|---|
State | Awaiting Upstream, archived |
Delegated to: | Mike Snitzer |
Headers | show
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Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Subject: [dm-devel] [PATCH v15 04/13] nvmet: Allow ZNS target to support non-power_of_2 zone sizes X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development <dm-devel.redhat.com> List-Unsubscribe: <https://listman.redhat.com/mailman/options/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=unsubscribe> List-Archive: <http://listman.redhat.com/archives/dm-devel/> List-Post: <mailto:dm-devel@redhat.com> List-Help: <mailto:dm-devel-request@redhat.com?subject=help> List-Subscribe: <https://listman.redhat.com/mailman/listinfo/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=subscribe> Cc: Pankaj Raghav <p.raghav@samsung.com>, Chaitanya Kulkarni <kch@nvidia.com>, bvanassche@acm.org, pankydev8@gmail.com, gost.dev@samsung.com, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, dm-devel@redhat.com, Johannes Thumshirn <johannes.thumshirn@wdc.com>, jaegeuk@kernel.org, matias.bjorling@wdc.com, Luis Chamberlain <mcgrof@kernel.org> Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" <dm-devel-bounces@redhat.com> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; 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Series |
support zoned block devices with non-power-of-2 zone sizes
|
expand
|
diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c index 835bfda86fcf..1c5352295db1 100644 --- a/drivers/nvme/target/zns.c +++ b/drivers/nvme/target/zns.c @@ -254,8 +254,7 @@ static unsigned long nvmet_req_nr_zones_from_slba(struct nvmet_req *req) { unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba); - return bdev_nr_zones(req->ns->bdev) - - (sect >> ilog2(bdev_zone_sectors(req->ns->bdev))); + return bdev_nr_zones(req->ns->bdev) - bdev_zone_no(req->ns->bdev, sect); } static unsigned long get_nr_zones_from_buf(struct nvmet_req *req, u32 bufsize) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e29799076298..5cf34ccd3e12 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1340,6 +1340,11 @@ static inline enum blk_zoned_model bdev_zoned_model(struct block_device *bdev) return BLK_ZONED_NONE; } +static inline unsigned int bdev_zone_no(struct block_device *bdev, sector_t sec) +{ + return disk_zone_no(bdev->bd_disk, sec); +} + static inline int queue_dma_alignment(const struct request_queue *q) { return q ? q->dma_alignment : 511;