libvirt/libxl-set-cach-mode.patch
James Fehlig 77335a5ee7 Accepting request 404532 from home:jfehlig:branches:Virtualization
More spec file improvements to allow common usage between
SLE and openSUSE.

- spec: Recent simplification allows using a common spec file for
  SLE and openSUSE
- Add SLE patches missing in openSUSE
  libxl-dom-reset.patch, libxl-set-migration-constraints.patch,
  libxl-support-block-script.patch

OBS-URL: https://build.opensuse.org/request/show/404532
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=544
2016-06-24 17:07:56 +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-1.3.5/src/libxl/libxl_conf.c
===================================================================
--- libvirt-1.3.5.orig/src/libxl/libxl_conf.c
+++ libvirt-1.3.5/src/libxl/libxl_conf.c
@@ -905,6 +905,30 @@ libxlDiskSetDiscard(libxl_device_disk *x
}
+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;
+ }
+}
+
#define LIBXL_QEMU_DM_STR "Options specific to the Xen version:"
int
@@ -1180,6 +1204,7 @@ 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;