[Xen-devel] [PATCH 05 of 16 RFC] blktap3: Don't check if blktap is available

[Thanos Makatos <thanos.makatos@xxxxxxxxxx>]

Don't check if blktap is enabled since it will always be enabled (no 
blktap/blkback requirement anymore).

diff -r bcb5a6182868 -r 57896068356d tools/libxl/libxl_blktap3.c
--- a/tools/libxl/libxl_blktap3.c       Wed Oct 24 17:25:02 2012 +0100
+++ b/tools/libxl/libxl_blktap3.c       Wed Oct 24 17:25:12 2012 +0100
@@ -1,10 +1,6 @@
 #include "libxl_osdeps.h"
 #include "libxl_internal.h"
 
-int libxl__blktap_enabled(libxl__gc *gc) {
-    return 1;
-}
-
 int libxl__blktap_devpath(libxl__gc *gc, const char *disk,
     libxl_disk_format format) {
     return -ENOSYS;
diff -r bcb5a6182868 -r 57896068356d tools/libxl/libxl_device.c
--- a/tools/libxl/libxl_device.c        Wed Oct 24 17:25:02 2012 +0100
+++ b/tools/libxl/libxl_device.c        Wed Oct 24 17:25:12 2012 +0100
@@ -177,13 +177,6 @@ static int disk_try_backend(disk_try_bac
 
     case LIBXL_DISK_BACKEND_TAP:
         if (a->disk->script) goto bad_script;
-
-        if (!libxl__blktap_enabled(a->gc)) {
-            LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Disk vdev=%s, backend tap"
-                       " unsuitable because blktap not available",
-                       a->disk->vdev);
-            return 0;
-        }
         if (!(a->disk->format == LIBXL_DISK_FORMAT_RAW ||
               a->disk->format == LIBXL_DISK_FORMAT_VHD)) {
             goto bad_format;

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