@@ -676,6 +676,22 @@ static inline unsigned int blk_queue_zone_no(struct request_queue *q,
return div64_u64(sector, zone_sectors);
}
+static inline bool blk_queue_zone_aligned(struct request_queue *q, sector_t sec)
+{
+ sector_t zone_sectors = blk_queue_zone_sectors(q);
+ u64 remainder = 0;
+
+ if (!blk_queue_is_zoned(q))
+ return false;
+
+ if (is_power_of_2(zone_sectors))
+ return IS_ALIGNED(sec, zone_sectors);
+
+ div64_u64_rem(sec, zone_sectors, &remainder);
+ /* if there is a remainder, then the sector is not aligned */
+ return remainder == 0;
+}
+
static inline bool blk_queue_zone_is_seq(struct request_queue *q,
sector_t sector)
{
@@ -722,6 +738,12 @@ static inline unsigned int blk_queue_zone_no(struct request_queue *q,
{
return 0;
}
+
+static inline bool blk_queue_zone_aligned(struct request_queue *q, sector_t sec)
+{
+ return false;
+}
+
static inline unsigned int queue_max_open_zones(const struct request_queue *q)
{
return 0;
@@ -1361,6 +1383,15 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev)
return 0;
}
+static inline bool bdev_zone_aligned(struct block_device *bdev, sector_t sec)
+{
+ struct request_queue *q = bdev_get_queue(bdev);
+
+ if (q)
+ return blk_queue_zone_aligned(q, sec);
+ return false;
+}
+
static inline unsigned int bdev_max_open_zones(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);