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Re: [libvirt] [PATCH 3/7] qemu_cgroup: Kill qemuSetupHostSCSIVHostDeviceCgroup



Hi

On Fri, Feb 10, 2017 at 6:57 PM Michal Privoznik <mprivozn redhat com> wrote:
There's no need for this function. Currently it is passed as a
callback to virSCSIVHostDeviceFileIterate(). However, SCSI host
devices have just one file path. Therefore we can mimic approach
used in qemuDomainGetHostdevPath() to get path and call
virCgroupAllowDevicePath() directly.

Signed-off-by: Michal Privoznik <mprivozn redhat com>


Reviewed-by: Marc-André Lureau <marcandre lureau redhat com>

 
---
 src/qemu/qemu_cgroup.c | 33 +++++++++++----------------------
 1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
index 6017da662..89854b5bd 100644
--- a/src/qemu/qemu_cgroup.c
+++ b/src/qemu/qemu_cgroup.c
@@ -260,25 +260,6 @@ qemuSetupInputCgroup(virDomainObjPtr vm,
 }


-static int
-qemuSetupHostSCSIVHostDeviceCgroup(virSCSIVHostDevicePtr dev ATTRIBUTE_UNUSED,
-                                   const char *path,
-                                   void *opaque)
-{
-    virDomainObjPtr vm = opaque;
-    qemuDomainObjPrivatePtr priv = vm->privateData;
-    int ret;
-
-    VIR_DEBUG("Process path '%s' for scsi_host device", path);
-
-    ret = virCgroupAllowDevicePath(priv->cgroup, path,
-                                   VIR_CGROUP_DEVICE_RW, false);
-
-    virDomainAuditCgroupPath(vm, priv->cgroup, "allow", path, "rw", ret == 0);
-
-    return ret;
-}
-
 int
 qemuSetupHostdevCgroup(virDomainObjPtr vm,
                        virDomainHostdevDefPtr dev)
@@ -397,9 +378,17 @@ qemuSetupHostdevCgroup(virDomainObjPtr vm,
                 if (!(host = virSCSIVHostDeviceNew(hostsrc->wwpn)))
                     goto cleanup;

-                if (virSCSIVHostDeviceFileIterate(host,
-                                             qemuSetupHostSCSIVHostDeviceCgroup,
-                                             vm) < 0)
+                if (VIR_STRDUP(path, virSCSIVHostDeviceGetPath(host)) < 0)
+                    goto cleanup;
+
+                VIR_DEBUG("Process path '%s' for scsi_host device", path);
+
+                rv = virCgroupAllowDevicePath(priv->cgroup, path,
+                                              VIR_CGROUP_DEVICE_RW, false);
+
+                virDomainAuditCgroupPath(vm, priv->cgroup,
+                                         "allow", path, "rw", rv == 0);
+                if (rv < 0)
                     goto cleanup;
             }
             break;
--
2.11.0

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Marc-André Lureau

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