The code for determining resctrl allocation path could be reused
for monitor. Refactor it for reuse.
Signed-off-by: Wang Huaqiang
---
src/util/virresctrl.c | 38 ++
1 file changed, 30 insertions(+), 8 deletions(-)
diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c
index e3c84a3..463555c 100644
--- a/src/util/virresctrl.c
+++ b/src/util/virresctrl.c
@@ -2266,28 +2266,50 @@ virResctrlAllocAssign(virResctrlInfoPtr resctrl,
}
+static char *
+virResctrlDeterminePath(const char *parentpath,
+const char *prefix,
+const char *id)
+{
+char *path = NULL;
+
+if (!id) {
+virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Resctrl ID must be set before determining resctrl "
+ "parentpath='%s' prefix='%s'"), parentpath, prefix);
+return NULL;
+}
+
+if (virAsprintf(&path, "%s/%s-%s", parentpath, prefix, id) < 0)
+return NULL;
+
+return path;
+}
+
+
int
virResctrlAllocDeterminePath(virResctrlAllocPtr alloc,
const char *machinename)
{
-if (!alloc->id) {
-virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
- _("Resctrl Allocation ID must be set before creation"));
+if (alloc->path) {
+virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Resctrl allocation path is already set to '%s'"),
+ alloc->path);
return -1;
}
/* If the allocation is empty, then the path will be SYSFS_RESCTRL_PATH */
if (virResctrlAllocIsEmpty(alloc)) {
-if (!alloc->path &&
-VIR_STRDUP(alloc->path, SYSFS_RESCTRL_PATH) < 0)
+if (VIR_STRDUP(alloc->path, SYSFS_RESCTRL_PATH) < 0)
return -1;
return 0;
}
-if (!alloc->path &&
-virAsprintf(&alloc->path, "%s/%s-%s",
-SYSFS_RESCTRL_PATH, machinename, alloc->id) < 0)
+alloc->path = virResctrlDeterminePath(SYSFS_RESCTRL_PATH,
+ machinename, alloc->id);
+
+if (!alloc->path)
return -1;
return 0;
--
2.7.4
--
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