Re: [PATCH 11/14] nfs: idr_destroy() no longer needs idr_remove_all()

[Tejun Heo]

Hello, Trond.

On Wed, Jan 30, 2013 at 02:18:06AM +0000, Myklebust, Trond wrote:
> My worry is more about Tejun's comment that we did actually need a call
> to idr_remove_all() in the original code. Do we need to queue up a fix
> for the 3.8 and existing stable kernels?

IIUC, the only case where idr_layer is left around after idr_remove()
on all elems is when the deletions lead to multi-level left-most
collapse.  Not sure whether the current code can actually hit that.
No harm in adding idr_remove_all(), I guess.

Thanks.

-- 
tejun
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