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SubjectRe: [PATCH] NFS: Stop sillyname renames and unmounts from racing
On Mon, Nov 05, 2007 at 09:06:36PM -0800, Andrew Morton wrote:
> > Any objections to exporting the inode_lock spin lock?
> > If so, how should modules _safely_ access the s_inode list?

> That's going to make hch unhappy.

That's going to make me just as unhappy, especially since it's pointless;
instead of the entire sorry mess we should just bump sb->s_active to pin
the superblock down (we know that it's active at that point, so it's just
an atomic_inc(); no games with locking, etc., are needed) and call
deactivate_super() on the way out. And deactivate_super() is exported
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