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From f2a6092c61d5ef0f2648529a8c141d5f85551da1 Mon Sep 17 00:00:00 2001
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Message-Id: <f2a6092c61d5ef0f2648529a8c141d5f85551da1@dist-git>
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From: Martin Kletzander <mkletzan@redhat.com>
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Date: Wed, 31 Jan 2018 16:32:44 +0100
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Subject: [PATCH] util: Extract path formatting into
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virResctrlAllocDeterminePath
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We can use this from more places later, so just a future code de-duplication.
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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(cherry picked from commit b9ceacba7cd32eac55f383495319807430627b4c)
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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https://bugzilla.redhat.com/show_bug.cgi?id=1289368
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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---
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src/libvirt_private.syms | 1 +
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src/util/virresctrl.c | 29 ++++++++++++++++++++---------
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src/util/virresctrl.h | 4 ++++
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3 files changed, 25 insertions(+), 9 deletions(-)
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diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
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index ee75e09767..9c64d0cb97 100644
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--- a/src/libvirt_private.syms
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+++ b/src/libvirt_private.syms
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@@ -2549,6 +2549,7 @@ virCacheTypeFromString;
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virCacheTypeToString;
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virResctrlAllocAddPID;
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virResctrlAllocCreate;
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+virResctrlAllocDeterminePath;
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virResctrlAllocForeachSize;
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virResctrlAllocFormat;
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virResctrlAllocGetID;
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diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c
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index fdd1ded6f7..e1c4998f71 100644
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--- a/src/util/virresctrl.c
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+++ b/src/util/virresctrl.c
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@@ -1501,6 +1501,25 @@ virResctrlAllocMasksAssign(virResctrlInfoPtr resctrl,
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}
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+int
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+virResctrlAllocDeterminePath(virResctrlAllocPtr alloc,
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+ const char *machinename)
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+{
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+ if (!alloc->id) {
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+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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+ _("Resctrl Allocation ID must be set before creation"));
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+ return -1;
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+ }
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+
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+ if (!alloc->path &&
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+ virAsprintf(&alloc->path, "%s/%s-%s",
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+ SYSFS_RESCTRL_PATH, machinename, alloc->id) < 0)
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+ return -1;
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+
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+ return 0;
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+}
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+
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+
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/* This checks if the directory for the alloc exists. If not it tries to create
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* it and apply appropriate alloc settings. */
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int
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@@ -1522,15 +1541,7 @@ virResctrlAllocCreate(virResctrlInfoPtr resctrl,
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return -1;
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}
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- if (!alloc->id) {
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- virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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- _("Resctrl Allocation ID must be set before creation"));
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- return -1;
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- }
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-
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- if (!alloc->path &&
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- virAsprintf(&alloc->path, "%s/%s-%s",
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- SYSFS_RESCTRL_PATH, machinename, alloc->id) < 0)
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+ if (virResctrlAllocDeterminePath(alloc, machinename) < 0)
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return -1;
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if (virFileExists(alloc->path)) {
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diff --git a/src/util/virresctrl.h b/src/util/virresctrl.h
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index 63a954feaa..5368ba2119 100644
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--- a/src/util/virresctrl.h
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+++ b/src/util/virresctrl.h
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@@ -102,6 +102,10 @@ virResctrlAllocGetID(virResctrlAllocPtr alloc);
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char *
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virResctrlAllocFormat(virResctrlAllocPtr alloc);
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+int
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+virResctrlAllocDeterminePath(virResctrlAllocPtr alloc,
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+ const char *machinename);
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+
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int
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virResctrlAllocCreate(virResctrlInfoPtr r_info,
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virResctrlAllocPtr alloc,
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--
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2.16.1
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