sunrpc/cache: change deferred-request hash table to use hlist.
Being a hash table, hlist is the best option.
There is currently some ugliness were we treat "->next == NULL" as
a special case to avoid having to initialise the whole array.
This change nicely gets rid of that case.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 52a7d72..0349635 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -133,7 +133,7 @@
* delayed awaiting cache-fill
*/
struct cache_deferred_req {
- struct list_head hash; /* on hash chain */
+ struct hlist_node hash; /* on hash chain */
struct list_head recent; /* on fifo */
struct cache_head *item; /* cache item we wait on */
void *owner; /* we might need to discard all defered requests