lkml.org 
[lkml]   [2020]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: Upcoming: Notifications, FS notifications and fsinfo()
On Thu, Apr 2, 2020 at 5:23 PM David Howells <dhowells@redhat.com> wrote:
>
> Miklos Szeredi <miklos@szeredi.hu> wrote:
>
> > > > Not sure what you mean. I think it shows precisely the information
> > > > Karel asked for.
> > >
> > > It's not atomic.
> >
> > Yes it is.
>
> No, it really isn't - though it could be made so.
>
> ext4_show_mount(), for example, doesn't lock against "mount -o remount", so
> the configuration can be changing whilst it's being rendered to text.

Does s_umount nest inside namespace_sem? I really don't see the
relation of those locks.

Thanks,
Miklos

\
 
 \ /
  Last update: 2020-04-02 17:25    [W:0.109 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site