Re: [GIT PATCH] TTY patches for 2.6.33-git

[Trond Myklebust]

On Sun, 2009-12-13 at 20:04 +0100, Frederic Weisbecker wrote: 
> In the above cases we have the following comment:
> 
> /* Protect inode->i_flock using the BKL */
> 
> And really it doesn't seem to protect anything else,
> fortunately it is acquired in a short path.

As I said in my reply, this is the tough one, because the BKL protection
is imposed by the VFS locking scheme used in fs/locks.c.

There is a similar dependency imposed upon fs/lockd/

I'm working on this, but I don't have anything ready for 2.6.33. 

> fs/nfs/super.c: unlock_kernel();
> fs/nfs/super.c: unlock_kernel();
> 
> Protect the mount/unmount path, a bit trickier there.
> 
> But really that looks way much easier to fix than it was
> with reiserfs.

All the other cases you list should be fixed in the GIT PULL request
that I just put out.

Trond

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