[Ocfs2-devel] [Ocfs2-users] ocfs or configfs bug ?

[Joel Becker]

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

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