xen/snapshot-ioemu-restore.patch
Charles Arnold 8547e28bd5 - Upstream patches from Jan
23233-hvm-cr-access.patch
  23234-svm-decode-assist-base.patch
  23235-svm-decode-assist-crs.patch
  23236-svm-decode-assist-invlpg.patch
  23238-svm-decode-assist-insn-fetch.patch
  23303-cpufreq-misc.patch
  23304-amd-oprofile-strings.patch
  23305-amd-fam15-xenoprof.patch
  23306-amd-fam15-vpmu.patch
  23334-amd-fam12+14-vpmu.patch
  23338-vtd-force-intremap.patch

- fate#310957 - Update to Xen 4.1.1-rc1 c/s 23064 

- xentrace: dynamic tracebuffer allocation
  xen-unstable.xentrace.dynamic_tbuf.patch
  xen-unstable.xentrace.empty_t_info_pages.patch
  xen-unstable.xentrace.verbose.patch
  xen-unstable.xentrace.no_gdprintk.patch
  xen-unstable.xentrace.comments.patch
  xen-unstable.xentrace.printk_prefix.patch
  xen-unstable.xentrace.remove_debug_printk.patch
  xen-unstable.xentrace.t_info_pages-formula.patch
  xen-unstable.xentrace.register_cpu_notifier-boot_time.patch
  xen-unstable.xentrace.t_info_page-overflow.patch
  xen-unstable.xentrace.t_info_first_offset.patch
  xen-unstable.xentrace.data_size__read_mostly.patch
  xen-unstable.xentrace.__insert_record-dst-type.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=124
2011-05-31 17:35:29 +00:00

73 lines
2.5 KiB
Diff

Index: xen-4.1.1-testing/tools/ioemu-qemu-xen/xenstore.c
===================================================================
--- xen-4.1.1-testing.orig/tools/ioemu-qemu-xen/xenstore.c
+++ xen-4.1.1-testing/tools/ioemu-qemu-xen/xenstore.c
@@ -103,6 +103,8 @@ int xenstore_watch_new_callback(const ch
}
+char* get_snapshot_name(int devid);
+
static int pasprintf(char **buf, const char *fmt, ...)
{
va_list ap;
@@ -714,8 +716,33 @@ void xenstore_parse_domain_config(int hv
fprintf(stderr, "Using file %s in read-%s mode\n", bs->filename, is_readonly ? "only" : "write");
- if (bdrv_open2(bs, params, flags, format) < 0)
+ if (bdrv_open2(bs, params, BDRV_O_CACHE_WB /* snapshot and write-back */, format) < 0) {
fprintf(stderr, "qemu: could not open vbd '%s' or hard disk image '%s' (drv '%s' format '%s')\n", buf, params, drv ? drv : "?", format ? format->format_name : "0");
+ } else {
+ char* snapshot = get_snapshot_name(atoi(e_danger[i]));
+ if (snapshot) {
+ fprintf(stderr, "Using snapshot %s\n", snapshot);
+ ret = bdrv_snapshot_goto(bs, snapshot);
+ switch (ret) {
+ case 0:
+ /* Success */
+ break;
+ case -ENOTSUP:
+ /* Don't abort here (could be read-only ISO) */
+ fprintf(stderr, "Snapshots are not supported for "
+ "this image file format\n");
+ break;
+ case -ENOENT:
+ fprintf(stderr, "No such snapshot, skipping this "
+ "image file\n");
+ continue;
+ default:
+ fprintf(stderr, "Could not load snapshot, skipping"
+ " this image file\n");
+ continue;
+ }
+ }
+ }
}
#endif
@@ -845,6 +872,23 @@ int xenstore_parse_disable_pf_config ()
return disable_pf;
}
+
+char* get_snapshot_name(int devid)
+{
+ char* path = NULL;
+ char* name = NULL;
+ unsigned int len;
+
+ if (pasprintf(&path,
+ "/local/domain/0/backend/tap/%u/%u/snapshot", domid, devid) == -1)
+ return NULL;
+ name = xs_read(xsh, XBT_NULL, path, &len);
+
+ free(path);
+ return name;
+}
+
+
int xenstore_fd(void)
{
if (xsh)