On Fri, Jun 2, 2017 at 11:47 PM, Khazhismel Kumykov <khazhy@xxxxxxxxxx> wrote: > On Fri, Jun 2, 2017 at 11:20 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: >> The thing is, unlike shrink_dcache_parent() we *can* bugger off as >> soon as we'd found no victims, nothing mounted and dentry itself >> is unhashed. We can't do anything in select_collect() (we would've >> broken shrink_dcache_parent() that way), but we can do unhashing >> in check_and_drop() in "really nothing to do" case and we can return >> from d_invalidate() after that. So how about this: > That does the trick. I'm not entirely familiar the process here, is the above change committed somewhere, should I propose a patch?
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