Re: [rfc][patch] fs: mntput might sleep

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On Thu, Mar 18, 2010 at 12:28:20AM +1100, Nick Piggin wrote:
> I missed this once or twice, so can we put might_sleep check into
> mntput?  Or does anyone call it from atomic context to drop a known
> not-last reference? (if so then maybe the caller could be rewritten).

There are places where it's called for known non-last reference under
interesting locks.  I'm not sure if vfsmount_lock is one of those, but...
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