Re: [PATCH 2/2] radix-tree: fix a typo

[Matthew Wilcox]

On Sat, Mar 14, 2020 at 02:49:09AM +0800, Qiujun Huang wrote:
> "iff" -> "if"

> - *	This function can be called under rcu_read_lock iff the slot is not
> + *	This function can be called under rcu_read_lock if the slot is not

That's not a typo, it's a mathematician's shorthand for "if and only if".
I'm not excited about fixing problems in the radix tree code; better to
focus efforts on migrating users to the xarray.

http://git.infradead.org/users/willy/linux-dax.git/shortlog/refs/heads/xarray-conv
is an out of date effort to do every user.