zbd: Support zone capacity smaller than zone size

[fio.git] / zbd.h

diff --git a/zbd.h b/zbd.h
index e942a7f61b0ce21e39e14c77ecafccd9f35ce712..021174c110ed459fea763338be666619dfd1965a 100644 (file)
--- a/zbd.h
+++ b/zbd.h
@@ -23,6 +23,7 @@ enum io_u_action {
  * struct fio_zone_info - information about a single ZBD zone
  * @start: zone start location (bytes)
  * @wp: zone write pointer location (bytes)
+ * @capacity: maximum size usable from the start of a zone (bytes)
  * @verify_block: number of blocks that have been verified for this zone
  * @mutex: protects the modifiable members in this structure
  * @type: zone type (BLK_ZONE_TYPE_*)
@@ -35,6 +36,7 @@ struct fio_zone_info {
        pthread_mutex_t         mutex;
        uint64_t                start;
        uint64_t                wp;
+       uint64_t                capacity;
        uint32_t                verify_block;
        enum zbd_zone_type      type:2;
        enum zbd_zone_cond      cond:4;