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From:   Pankaj Raghav <p.raghav@samsung.com>
To:     hch@lst.de, snitzer@redhat.com, damien.lemoal@opensource.wdc.com,
        axboe@kernel.dk
Cc:     bvanassche@acm.org, linux-kernel@vger.kernel.org,
        jiangbo.365@bytedance.com, hare@suse.de, pankydev8@gmail.com,
        dm-devel@redhat.com, jonathan.derrick@linux.dev,
        gost.dev@samsung.com, dsterba@suse.com, jaegeuk@kernel.org,
        linux-nvme@lists.infradead.org, Johannes.Thumshirn@wdc.com,
        linux-block@vger.kernel.org, Pankaj Raghav <p.raghav@samsung.com>
Subject: [PATCH v7 11/13] dm-table: allow non po2 zoned devices
Date:   Wed, 15 Jun 2022 12:19:18 +0200
Message-Id: <20220615101920.329421-12-p.raghav@samsung.com>
In-Reply-To: <20220615101920.329421-1-p.raghav@samsung.com>
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References: <20220615101920.329421-1-p.raghav@samsung.com>
        <CGME20220615102004eucas1p1e458ea097d381058b16fc6daa3eec998@eucas1p1.samsung.com>
Precedence: bulk

As the block layer now supports non po2 zoned devices, allow dm to
support non po2 zoned device.

Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
---
 drivers/md/dm-table.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index b553cdb6d..ec77e7830 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -251,7 +251,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
 	if (bdev_is_zoned(bdev)) {
 		unsigned int zone_sectors = bdev_zone_sectors(bdev);
 
-		if (blk_queue_is_zone_start(bdev_get_queue(bdev), start)) {
+		if (!blk_queue_is_zone_start(bdev_get_queue(bdev), start)) {
 			DMWARN("%s: start=%llu not aligned to h/w zone size %u of %pg",
 			       dm_device_name(ti->table->md),
 			       (unsigned long long)start,
@@ -268,7 +268,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
 		 * devices do not end up with a smaller zone in the middle of
 		 * the sector range.
 		 */
-		if (blk_queue_is_zone_start(bdev_get_queue(bdev), len)) {
+		if (!blk_queue_is_zone_start(bdev_get_queue(bdev), len)) {
 			DMWARN("%s: len=%llu not aligned to h/w zone size %u of %pg",
 			       dm_device_name(ti->table->md),
 			       (unsigned long long)len,
@@ -1648,7 +1648,7 @@ static int validate_hardware_zoned_model(struct dm_table *table,
 	}
 
 	/* Check zone size validity and compatibility */
-	if (!zone_sectors || !is_power_of_2(zone_sectors))
+	if (!zone_sectors)
 		return -EINVAL;
 
 	if (dm_table_any_dev_attr(table, device_not_matches_zone_sectors, &zone_sectors)) {
-- 
2.25.1