SHA256
1
0
forked from pool/libvirt
libvirt/libxl-set-cach-mode.patch
James Fehlig 3e5685a280 Accepting request 929470 from home:jfehlig:branches:Virtualization
- Update to libvirt 7.9.0
  - jsc#SLE-19264
  - Many incremental improvements and bug fixes, see
    https://libvirt.org/news.html
  - Dropped patches:
    3f9c1a4b-fix-host-validate-sev.patch,
    2703b0b5-qemu-dont-report-eof.patch,
    1b9ce05c-lxc-fix-cgroupV1.patch
- Include collection of active VM config files in the
  supportconfig plugin

OBS-URL: https://build.opensuse.org/request/show/929470
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=911
2021-11-04 23:25:59 +00:00

47 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-7.9.0/src/libxl/libxl_conf.c
===================================================================
--- libvirt-7.9.0.orig/src/libxl/libxl_conf.c
+++ libvirt-7.9.0/src/libxl/libxl_conf.c
@@ -941,6 +941,28 @@ 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
+ case VIR_DOMAIN_DISK_CACHE_DIRECTSYNC:
+ x_disk->direct_io_safe = true;
+ break;
+ 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(virStorageSource *src,
const char *username,
@@ -1180,6 +1202,7 @@ libxlMakeDisk(virDomainDiskDef *l_disk,
x_disk->readwrite = !l_disk->src->readonly;
x_disk->is_cdrom = l_disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ? 1 : 0;
libxlDiskSetDiscard(x_disk, l_disk->discard);
+ 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;