The code for creating resctrl allocation group could be reused
for monitoring group, refactor it for reusing in the later patch.
Signed-off-by: Wang Huaqiang
---
src/util/virresctrl.c | 37 +++--
1 file changed, 23 insertions(+), 14 deletions(-)
diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c
index 1a5578e..8b617a6 100644
--- a/src/util/virresctrl.c
+++ b/src/util/virresctrl.c
@@ -2310,6 +2310,26 @@ virResctrlAllocDeterminePath(virResctrlAllocPtr alloc,
}
+/* This function creates a resctrl directory in resource control file system,
+ * and the directory path is specified by @path. */
+static int
+virResctrlCreateGroupPath(const char *path)
+{
+/* Directory exists, return */
+if (virFileExists(path))
+return 0;
+
+if (virFileMakePath(path) < 0) {
+virReportSystemError(errno,
+ _("Cannot create resctrl directory '%s'"),
+ path);
+return -1;
+}
+
+return 0;
+}
+
+
/* This checks if the directory for the alloc exists. If not it tries to
create
* it and apply appropriate alloc settings. */
int
@@ -2334,13 +2354,6 @@ virResctrlAllocCreate(virResctrlInfoPtr resctrl,
if (virResctrlAllocDeterminePath(alloc, machinename) < 0)
return -1;
-if (virFileExists(alloc->path)) {
-virReportError(VIR_ERR_INTERNAL_ERROR,
- _("Path '%s' for resctrl allocation exists"),
- alloc->path);
-goto cleanup;
-}
-
lockfd = virResctrlLockWrite();
if (lockfd < 0)
goto cleanup;
@@ -2348,6 +2361,9 @@ virResctrlAllocCreate(virResctrlInfoPtr resctrl,
if (virResctrlAllocAssign(resctrl, alloc) < 0)
goto cleanup;
+if (virResctrlCreateGroupPath(alloc->path) < 0)
+goto cleanup;
+
alloc_str = virResctrlAllocFormat(alloc);
if (!alloc_str)
goto cleanup;
@@ -2355,13 +2371,6 @@ virResctrlAllocCreate(virResctrlInfoPtr resctrl,
if (virAsprintf(_path, "%s/schemata", alloc->path) < 0)
goto cleanup;
-if (virFileMakePath(alloc->path) < 0) {
-virReportSystemError(errno,
- _("Cannot create resctrl directory '%s'"),
- alloc->path);
-goto cleanup;
-}
-
VIR_DEBUG("Writing resctrl schemata '%s' into '%s'", alloc_str,
schemata_path);
if (virFileWriteStr(schemata_path, alloc_str, 0) < 0) {
rmdir(alloc->path);
--
2.7.4
--
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