Re: lock_kernel twice possible ?

From: Coywolf Qi Hunt
Date: Sat Oct 15 2005 - 02:36:47 EST

On 10/15/05, li nux <lnxluv@xxxxxxxxx> wrote:
> Hi,
> I was going thru the NFS v3 code for SMP kernel 2.6.11
> to see how an inode gets revalidated. I found that
> there is a possibility that there may be an attempt to
> do lock_kernel() twice.
> Is this possible ? If yes then how this deadlock
> condition is/can be avoided.

The BKL is recursive!
Coywolf Qi Hunt
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