Hi Jan,

On Monday 18 August 2008, Jan Kara wrote:
quoted text
> A memory allocation inside alloc_mutex must not recurse back into the
> filesystem itself because that leads to lock inversion between iprune_mutex and
> alloc_mutex (and thus to deadlocks - see traces below). alloc_mutex is actually
> needed only to update allocation statistics in the superblock so we can drop it
> before we start allocating memory for the inode.

On a quick review, this is correct.


Best Regards

Ingo Oeser
--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/