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-rw-r--r--block/nbd-client.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c
index 2a302de674..3779c6c999 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -415,6 +415,10 @@ int nbd_client_init(BlockDriverState *bs,
}
if (client->nbdflags & NBD_FLAG_SEND_FUA) {
bs->supported_write_flags = BDRV_REQ_FUA;
+ bs->supported_zero_flags |= BDRV_REQ_FUA;
+ }
+ if (client->nbdflags & NBD_FLAG_SEND_WRITE_ZEROES) {
+ bs->supported_zero_flags |= BDRV_REQ_MAY_UNMAP;
}
qemu_co_mutex_init(&client->send_mutex);