[Devel] [PATCH RH7 1/2] fs/overlay: set flag FS_VIRTUALIZED

[Pavel Tikhomirov]

Best regards, Tikhomirov Pavel
Software Developer, Virtuozzo.

----Пользователь Vladimir Davydov написал ----

> On Fri, May 20, 2016 at 12:17:18PM +0300, Pavel Tikhomirov wrote:
> > >
> > >>
> > >>*need to modprobe overlay module on host
> > >
> > >May be, we should add overlayfs module to the whitelist? (see
> > >ve0_allowed_mod)
> > 
> > I thought that whilelist will work only for auto-loading iptables modules on
> > special rules creation? But not for manual load:
> > 
> > [root at pcs7 ~]# vzctl exec 109 modprobe binfmt_misc
> > [root at pcs7 ~]# lsmod | grep binfmt_misc
> > [root at pcs7 ~]#
> > 
> > 3.10.0-327.18.2.ovz.14.4
> 
> AFAIK the fs module should auto-loaded on mount - see get_fs_type().

I remember I tried to add "fs-overlay" to these list and docker failed to start, as it first 
checks /proc/filesystems to know that overlay is supported, but overlay is not in these file until the module is loaded.
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