Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 6b61ded..5323c33 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -765,7 +765,7 @@
 			if (touch) {
 				struct rb_node *q;
 
-				/* touch this + preceeding caps */
+				/* touch this + preceding caps */
 				__touch_cap(cap);
 				for (q = rb_first(&ci->i_caps); q != p;
 				     q = rb_next(q)) {