On Tue, May 10, 2011 at 06:38:17PM -0700, Sunil Mushran wrote:
> configfs_readdir() is racing configfs_d_delete(). And I cannot
> see how we can use the existing spinlock to prevent the race.
>
> sysfs uses a coarse lock sysfs_mutex to prevent against this.
> I think we should do the same in configfs.
sysfs_mutex is peppered everywhere. It's rather ugly, I think.
I am thinking about how the code reads. I admit I also don't like that
sysfs_mutex serializes all accesses to the sysfs directory tree, but I'd
be OK with that as a stopgap solution if the code only read better.
Joel
--
"The nice thing about egotists is that they don't talk about other
people."
- Lucille S. Harper
http://www.jlbec.org/
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