[PATCH 27/80] qemu: block: Remove pre-blockdev code paths

[Peter Krempa <pkrempa@xxxxxxxxxx>]

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_backup.c    |  2 +-
 src/qemu/qemu_block.c     | 10 +---------
 src/qemu/qemu_block.h     |  1 -
 src/qemu/qemu_migration.c |  2 +-
 4 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/src/qemu/qemu_backup.c b/src/qemu/qemu_backup.c
index d2a5d2db5f..b90185a375 100644
--- a/src/qemu/qemu_backup.c
+++ b/src/qemu/qemu_backup.c
@@ -536,7 +536,7 @@ qemuBackupBeginPullExportDisks(virDomainObj *vm,
         if (!dd->backupdisk->exportname)
             dd->backupdisk->exportname = g_strdup(dd->domdisk->dst);

-        if (qemuBlockExportAddNBD(vm, NULL,
+        if (qemuBlockExportAddNBD(vm,
                                   dd->store,
                                   dd->backupdisk->exportname,
                                   false,
diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
index 81c807660f..141bf1b3e7 100644
--- a/src/qemu/qemu_block.c
+++ b/src/qemu/qemu_block.c
@@ -3534,21 +3534,18 @@ qemuBlockExportGetNBDProps(const char *nodename,
 /**
  * qemuBlockExportAddNBD:
  * @vm: domain object
- * @drivealias: (optional) alias of -drive to export in pre-blockdev configurations
  * @src: disk source to export
  * @exportname: name for the export
  * @writable: whether the NBD export allows writes
  * @bitmap: (optional) block dirty bitmap to export along
  *
  * This function automatically selects the proper invocation of exporting a
- * block backend via NBD in qemu. This includes use of nodename for blockdev
- * and proper configuration for the exportname for older qemus.
+ * block backend via NBD in qemu.
  *
  * This function must be called while in the monitor context.
  */
 int
 qemuBlockExportAddNBD(virDomainObj *vm,
-                      const char *drivealias,
                       virStorageSource *src,
                       const char *exportname,
                       bool writable,
@@ -3558,11 +3555,6 @@ qemuBlockExportAddNBD(virDomainObj *vm,
     g_autoptr(virJSONValue) nbdprops = NULL;
     const char *bitmaps[2] = { bitmap, NULL };

-    /* older qemu versions didn't support configuring the exportname and
-     * took the 'drivealias' as the export name */
-    if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV))
-        return qemuMonitorNBDServerAdd(priv->mon, drivealias, NULL, writable, NULL);
-
     if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCK_EXPORT_ADD))
         return qemuMonitorNBDServerAdd(priv->mon, src->nodeformat,
                                        exportname, writable, bitmap);
diff --git a/src/qemu/qemu_block.h b/src/qemu/qemu_block.h
index bcd3f5960b..b22a541797 100644
--- a/src/qemu/qemu_block.h
+++ b/src/qemu/qemu_block.h
@@ -291,7 +291,6 @@ qemuBlockExportGetNBDProps(const char *nodename,

 int
 qemuBlockExportAddNBD(virDomainObj *vm,
-                      const char *drivealias,
                       virStorageSource *src,
                       const char *exportname,
                       bool writable,
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 16d65ff22e..a6d097c304 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -614,7 +614,7 @@ qemuMigrationDstStartNBDServer(virQEMUDriver *driver,
             server_started = true;
         }

-        if (qemuBlockExportAddNBD(vm, diskAlias, disk->src, diskAlias, true, NULL) < 0)
+        if (qemuBlockExportAddNBD(vm, disk->src, diskAlias, true, NULL) < 0)
             goto exit_monitor;
         qemuDomainObjExitMonitor(vm);
     }
-- 
2.36.1