[lkml]   [2019]   [Jan]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: WARNING: lock held when returning to user space in grab_super
Happy new year, Tetsuo.

On Wed, Jan 02, 2019 at 09:08:56PM +0900, Tetsuo Handa wrote:
> According to commit 633feee310de6b6c ("cgroup: refactor mount path and
> clearly distinguish v1 and v2 paths"), cgroup_do_mount() is failing to
> do full teardown steps for kernfs_mount() (deactivate_locked_super() ?)
> when kernfs_node_dentry() failed.

Hmm... that's basically dget()'ing the root dentry of the sb. I'm not
sure how that could fail. Can it?



 \ /
  Last update: 2019-01-02 17:17    [W:0.069 / U:3.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site