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-rw-r--r--block/as-iosched.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c
index a7caf35ca0c2..0c750393be4a 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -353,10 +353,9 @@ static struct request *as_find_arq_hash(struct as_data *ad, sector_t offset)
353/* 353/*
354 * rb tree support functions 354 * rb tree support functions
355 */ 355 */
356#define RB_NONE (2)
357#define RB_EMPTY(root) ((root)->rb_node == NULL) 356#define RB_EMPTY(root) ((root)->rb_node == NULL)
358#define ON_RB(node) ((node)->rb_color != RB_NONE) 357#define ON_RB(node) (rb_parent(node) != node)
359#define RB_CLEAR(node) ((node)->rb_color = RB_NONE) 358#define RB_CLEAR(node) (rb_set_parent(node, node))
360#define rb_entry_arq(node) rb_entry((node), struct as_rq, rb_node) 359#define rb_entry_arq(node) rb_entry((node), struct as_rq, rb_node)
361#define ARQ_RB_ROOT(ad, arq) (&(ad)->sort_list[(arq)->is_sync]) 360#define ARQ_RB_ROOT(ad, arq) (&(ad)->sort_list[(arq)->is_sync])
362#define rq_rb_key(rq) (rq)->sector 361#define rq_rb_key(rq) (rq)->sector