Re: [rfc patch] fs,reiserfs: unlock superblock before calllingreiserfs_quota_on_mount()

[Thomas Gleixner]

On Tue, 14 Aug 2012, Mike Galbraith wrote:

> On Tue, 2012-08-14 at 16:39 +0200, Mike Galbraith wrote: 
> > On Tue, 2012-08-14 at 10:23 -0400, Steven Rostedt wrote: 
> > > On Tue, 2012-08-14 at 15:06 +0200, Mike Galbraith wrote:
> > > > Greetings,
> > > > 
> > > > Using openSUSE's "partitioner" gizmo to set up a reiserfs partition with
> > > > quotas and whatnot enabled rewarded me with a deadlock.
> > > 
> > > Is this just a -rt bug? Can't this deadlock also in mainline?
> > 
> > It didn't with a NOPREEMPT kernel the one time I tried it, which seemed
> > mighty odd when I stared at the rt deadlock.  I'll give it another go, I
> > likely just munged q/d NOPREEMPT test.
> 
> Nope, no screw-up.  Maybe it can deadlock, but it refused to do so.

Lockdep should tell you if it could ...
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