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-rw-r--r--block/nbd-client.c3
-rw-r--r--block/nbd.c2
2 files changed, 2 insertions, 3 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c
index 9206652e45..7b68499b76 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -846,9 +846,6 @@ int nbd_client_init(BlockDriverState *bs,
     if (client->info.flags & NBD_FLAG_SEND_WRITE_ZEROES) {
         bs->supported_zero_flags |= BDRV_REQ_MAY_UNMAP;
     }
-    if (client->info.min_block > bs->bl.request_alignment) {
-        bs->bl.request_alignment = client->info.min_block;
-    }
 
     qemu_co_mutex_init(&client->send_mutex);
     qemu_co_queue_init(&client->free_sema);
diff --git a/block/nbd.c b/block/nbd.c
index ef81a9f53b..69b5fd5e8f 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -474,8 +474,10 @@ static int nbd_co_flush(BlockDriverState *bs)
 static void nbd_refresh_limits(BlockDriverState *bs, Error **errp)
 {
     NBDClientSession *s = nbd_get_client_session(bs);
+    uint32_t min = s->info.min_block;
     uint32_t max = MIN_NON_ZERO(NBD_MAX_BUFFER_SIZE, s->info.max_block);
 
+    bs->bl.request_alignment = min ? min : BDRV_SECTOR_SIZE;
     bs->bl.max_pdiscard = max;
     bs->bl.max_pwrite_zeroes = max;
     bs->bl.max_transfer = max;