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-rw-r--r--block/io.c7
-rw-r--r--include/block/block_int.h2
2 files changed, 7 insertions, 2 deletions
diff --git a/block/io.c b/block/io.c
index 5c759fae47..5ba0195a69 100644
--- a/block/io.c
+++ b/block/io.c
@@ -2423,7 +2423,8 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset,
         return 0;
     }
 
-    if (!bs->drv->bdrv_co_discard && !bs->drv->bdrv_aio_pdiscard) {
+    if (!bs->drv->bdrv_co_discard && !bs->drv->bdrv_co_pdiscard &&
+        !bs->drv->bdrv_aio_pdiscard) {
         return 0;
     }
 
@@ -2455,7 +2456,9 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset,
         int ret;
         int num = MIN(count, max_pdiscard);
 
-        if (bs->drv->bdrv_co_discard) {
+        if (bs->drv->bdrv_co_pdiscard) {
+            ret = bs->drv->bdrv_co_pdiscard(bs, offset, num);
+        } else if (bs->drv->bdrv_co_discard) {
             ret = bs->drv->bdrv_co_discard(bs, offset >> BDRV_SECTOR_BITS,
                                            num >> BDRV_SECTOR_BITS);
         } else {
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 9bf9aed83d..8f16d1652e 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -167,6 +167,8 @@ struct BlockDriver {
         int64_t offset, int count, BdrvRequestFlags flags);
     int coroutine_fn (*bdrv_co_discard)(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors);
+    int coroutine_fn (*bdrv_co_pdiscard)(BlockDriverState *bs,
+        int64_t offset, int count);
     int64_t coroutine_fn (*bdrv_co_get_block_status)(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors, int *pnum,
         BlockDriverState **file);