Documentation: locking: fix references

This patch fixes file references from txt to rst file ending in
ww-mutex-design.rst and futex-requeue-pi.rst. While on it fix a spelling
issue "desgin" to "design" reported by Matthew Wilcox.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210823183143.1691344-1-aahringo@redhat.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/locking/futex-requeue-pi.rst b/Documentation/locking/futex-requeue-pi.rst
index 14ab5787b9a7..dd4ecf4528a4 100644
--- a/Documentation/locking/futex-requeue-pi.rst
+++ b/Documentation/locking/futex-requeue-pi.rst
@@ -5,7 +5,7 @@ Futex Requeue PI
 Requeueing of tasks from a non-PI futex to a PI futex requires
 special handling in order to ensure the underlying rt_mutex is never
 left without an owner if it has waiters; doing so would break the PI
-boosting logic [see rt-mutex-desgin.txt] For the purposes of
+boosting logic [see rt-mutex-design.rst] For the purposes of
 brevity, this action will be referred to as "requeue_pi" throughout
 this document.  Priority inheritance is abbreviated throughout as
 "PI".