On Fri, Sep 13, 2013 at 12:12 PM, Linus Torvalds
<torva...@linux-foundation.org> wrote:
>
> - d_lru_isolate: this is when the LRU callbacks ask us to remove the
> entry from the list. This is different from d_lru_del() only in that
> it uses the raw list removal, not the lru list helper function. I'm
> not sure that's right, but that's what the code used to do.
Yes, verified. The LRU isolation functions are called with the lru
list lock held, so d_lru_isolate() basically just does the
list)_del_init() and our own state management.
Anyway, I fixed a typo in a comment (nd_dentry_unused ->
nr_dentry_unused) but the patch still looks good to me.
Linus
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