Files
libvirt/libxl-set-cach-mode.patch
James Fehlig 06eb24a4dd Accepting request 796123 from home:jfehlig:branches:Virtualization
- libxl: Add support for 'passthrough' and 'e820_host' settings
  b7d6648d-conf-add-e820-host.patch,
  5749395b-libxl-e820-host.patch,
  f3ef7daf-xenconfig-e820-host.patch,
  34077c1b-tests-check-e820-host.patch,
  fadbaa23-conf-add-passthrough.patch,
  9529e007-libxl-passthrough.patch,
  9cb8bc6f-xenconfig-refactor-features.patch,
  b523e225-xenconfig-passthrough.patch,
  bed32525-tests-check-passthrough.patch
  bsc#1167217

OBS-URL: https://build.opensuse.org/request/show/796123
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=823
2020-04-21 20:56:47 +00:00

49 lines
1.7 KiB
Diff

https://bugzilla.novell.com/show_bug.cgi?id=879425
---
src/libxl/libxl_conf.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
Index: libvirt-6.2.0/src/libxl/libxl_conf.c
===================================================================
--- libvirt-6.2.0.orig/src/libxl/libxl_conf.c
+++ libvirt-6.2.0/src/libxl/libxl_conf.c
@@ -905,6 +905,30 @@ libxlDiskSetDiscard(libxl_device_disk *x
#endif
}
+static void
+libxlDiskSetCacheMode(libxl_device_disk *x_disk, int cachemode)
+{
+ switch (cachemode) {
+#if defined(LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MAGIC)
+ case VIR_DOMAIN_DISK_CACHE_UNSAFE:
+ if (x_disk->readwrite)
+ x_disk->readwrite = (x_disk->readwrite & LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MASK) | LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MAGIC;
+ break;
+#endif
+#if defined(LIBXL_HAVE_DEVICE_DISK_DIRECT_IO_SAFE)
+ case VIR_DOMAIN_DISK_CACHE_DIRECTSYNC:
+ x_disk->direct_io_safe = true;
+ break;
+#endif
+ case VIR_DOMAIN_DISK_CACHE_DEFAULT:
+ case VIR_DOMAIN_DISK_CACHE_DISABLE:
+ case VIR_DOMAIN_DISK_CACHE_WRITETHRU:
+ case VIR_DOMAIN_DISK_CACHE_WRITEBACK:
+ default:
+ break;
+ }
+}
+
static char *
libxlMakeNetworkDiskSrcStr(virStorageSourcePtr src,
const char *username,
@@ -1146,6 +1170,7 @@ libxlMakeDisk(virDomainDiskDefPtr l_disk
x_disk->is_cdrom = l_disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ? 1 : 0;
if (libxlDiskSetDiscard(x_disk, l_disk->discard) < 0)
return -1;
+ libxlDiskSetCacheMode(x_disk, l_disk->cachemode);
/* An empty CDROM must have the empty format, otherwise libxl fails. */
if (x_disk->is_cdrom && !x_disk->pdev_path)
x_disk->format = LIBXL_DISK_FORMAT_EMPTY;