Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 02212ed..8d4ee7e 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -917,7 +917,7 @@
 /*
  * Pick an osd (the first 'up' osd in the pg), allocate the osd struct
  * (as needed), and set the request r_osd appropriately.  If there is
- * no up osd, set r_osd to NULL.  Move the request to the appropiate list
+ * no up osd, set r_osd to NULL.  Move the request to the appropriate list
  * (unsent, homeless) or leave on in-flight lru.
  *
  * Return 0 if unchanged, 1 if changed, or negative on error.