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Re: [libvirt] [PATCH RESEND] libvirt: lxc: fix incorrect parameter of lxcContainerMountProcFuse

(2013/01/09 23:16), Michal Privoznik wrote:
On 09.01.2013 12:01, Gao feng wrote:
when we has no host's src mapped to container.
there is no .oldroot dir,so libvirt lxc will fail
to start when mouting meminfo.

in this case,the parameter srcprefix of function
lxcContainerMountProcFuse should be NULL.and make
this method handle NULL correctly.

Signed-off-by: Gao feng <gaofeng cn fujitsu com>
  src/lxc/lxc_container.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
index d234426..9f22923 100644
--- a/src/lxc/lxc_container.c
+++ b/src/lxc/lxc_container.c
@@ -605,7 +605,7 @@ static int lxcContainerMountProcFuse(virDomainDefPtr def,

      if ((ret = virAsprintf(&meminfo_path,
-                           srcprefix, LXC_STATE_DIR,
+                           srcprefix ? srcprefix : "", LXC_STATE_DIR,
                             def->name)) < 0)
          return ret;

@@ -2059,7 +2059,7 @@ static int lxcContainerSetupExtraMounts(virDomainDefPtr vmDef,
          goto cleanup;

      /* Mounts /proc/meminfo etc sysinfo */
-    if (lxcContainerMountProcFuse(vmDef, "/.oldroot") < 0)
+    if (lxcContainerMountProcFuse(vmDef, NULL) < 0)
          goto cleanup;

      /* Now we can re-mount the cgroups controllers in the

Now pushed. Thanks.

Isn't it better to add following implicitly ?

  <filesystem type='mount' accessmode='passthrough'>
      <source dir='/'/>
      <target dir='/'/>

Then, non-chroot lxc container will run the same code path with chroot container.
No ?


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