On 10/22/18 4:01 AM, Wang Huaqiang wrote:
> Refactor schemas and virresctrl to support optional <cache> element
> in <cachetune>.
>
> Later, the monitor entry will be introduced and to be placed
> under <cachetune>. Either cache entry or monitor entry is
> an optional element of <cachetune>.
>
> An cachetune has no <cache> element is taking the default resource
> allocating policy defined in '/sys/fs/resctrl/schemata'.
>
> Signed-off-by: Wang Huaqiang <huaqiang.w...@intel.com>
> ---
> docs/formatdomain.html.in | 4 ++--
> docs/schemas/domaincommon.rng | 4 ++--
> src/util/virresctrl.c | 28 ++++++++++++++++++++++++++++
> 3 files changed, 32 insertions(+), 4 deletions(-)
>
[...]
> + /* 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)
> + return -1;
> +
> + return 0;
> + }
> +
Because of ...
> if (!alloc->path &&
> virAsprintf(&alloc->path, "%s/%s-%s",
> SYSFS_RESCTRL_PATH, machinename, alloc->id) < 0)
[...]
> @@ -2334,6 +2358,10 @@ virResctrlAllocRemove(virResctrlAllocPtr alloc)
> {
> int ret = 0;
>
> + /* No directory have ever been created. Just return */
> + if (virResctrlAllocIsEmpty(alloc))
> + return 0;
... the change to virResctrlAllocDeterminePath to fill in alloc->path
when virResctrlAllocIsEmpty to be a default path, this should be:
if (STREQ_NULLABLE(alloc->path, SYSFS_RESCTRL_PATH))
return 0;
or moved after the next check and the _NULLABLE removed.
Whether the AllocIsEmpty is true or not shouldn't be the bearing on
whether the directory created because of that
> +
> if (!alloc->path)
> return 0;
>
>
I can adjust for you, let me know; otherwise, things are fine for the
Reviewed-by: John Ferlan <jfer...@redhat.com>
John
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