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-rw-r--r--include/block/block.h8
-rw-r--r--include/block/nbd.h3
2 files changed, 9 insertions, 2 deletions
diff --git a/include/block/block.h b/include/block/block.h
index ae79b70e2d..89e40318cf 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -87,8 +87,14 @@ typedef enum {
      * fallback. */
     BDRV_REQ_NO_FALLBACK        = 0x100,
 
+    /*
+     * BDRV_REQ_PREFETCH may be used only together with BDRV_REQ_COPY_ON_READ
+     * on read request and means that caller doesn't really need data to be
+     * written to qiov parameter which may be NULL.
+     */
+    BDRV_REQ_PREFETCH  = 0x200,
     /* Mask of valid flags */
-    BDRV_REQ_MASK               = 0x1ff,
+    BDRV_REQ_MASK               = 0x3ff,
 } BdrvRequestFlags;
 
 typedef struct BlockSizes {
diff --git a/include/block/nbd.h b/include/block/nbd.h
index bb9f5bc021..7b36d672f0 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -304,7 +304,8 @@ struct NBDExportInfo {
 };
 typedef struct NBDExportInfo NBDExportInfo;
 
-int nbd_receive_negotiate(QIOChannel *ioc, QCryptoTLSCreds *tlscreds,
+int nbd_receive_negotiate(AioContext *aio_context, QIOChannel *ioc,
+                          QCryptoTLSCreds *tlscreds,
                           const char *hostname, QIOChannel **outioc,
                           NBDExportInfo *info, Error **errp);
 void nbd_free_export_list(NBDExportInfo *info, int count);