On 07/20/2015 10:05 PM, Maxim Patlasov wrote:
On 07/14/2015 01:27 AM, Kirill Tkhai wrote:
В Пн, 13/07/2015 в 12:38 -0700, Maxim Patlasov пишет:
On 07/08/2015 04:50 AM, Kirill Tkhai wrote:
...
Why do we need to show hidden options to CT' user? He/she doesn't
see
".balloon" file, so it doesn't seem consistent to show
"balloon_ino=N".
But this way "read" won't show all written using "write". It may
confuse users or vzctl developers.
I think more debug info won't be worse.
Sorry for delay, I somehow missed your reply in my inbox folder. Are
these 'read' and 'write' allowed only from host system (ve0) or
inside
CT as well?
It's allowed from inside a CT like other ve cgroup files.
But it's not a problem of this patch, it's a generic problem,
because mounting of ve cgroup from CT is not prohibited for now.
Please, see cgroup_mount() for the details.
OK.
So, let's continue here:
* by default ve cgroup is not visible from inside a CT
* currently it's possible to mount ve cgroup inside a CT, but this is
temporarily, we'll disable this
https://jira.sw.ru/browse/PSBM-34291
* this patch allows to see mount options via ve cgroup =>
after PSBM-34291 is fixed, mount options will be visible only from ve0 (host)
* for host it's OK to see all hidden options
Kirill, Maxim, please ack that i understand the situation correctly here,
and i'll apply the patch.
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