diff options
| -rw-r--r-- | block/as-iosched.c | 5 | ||||
| -rw-r--r-- | block/cfq-iosched.c | 8 | ||||
| -rw-r--r-- | block/deadline-iosched.c | 5 |
3 files changed, 5 insertions, 13 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c index e25a5d79ab2..ed336ab453b 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) /* * rb tree support functions */ -#define RB_NONE (2) #define RB_EMPTY(root) ((root)->rb_node == NULL) -#define ON_RB(node) ((node)->rb_color != RB_NONE) -#define RB_CLEAR(node) ((node)->rb_color = RB_NONE) +#define ON_RB(node) (rb_parent(node) != node) +#define RB_CLEAR(node) (rb_set_parent(node, node)) #define rb_entry_arq(node) rb_entry((node), struct as_rq, rb_node) #define ARQ_RB_ROOT(ad, arq) (&(ad)->sort_list[(arq)->is_sync]) #define rq_rb_key(rq) (rq)->sector diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 2540dfaa3e3..01c416ba843 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -60,14 +60,9 @@ static DEFINE_RWLOCK(cfq_exit_lock); /* * rb-tree defines */ -#define RB_NONE (2) #define RB_EMPTY(node) ((node)->rb_node == NULL) -#define RB_CLEAR_COLOR(node) (node)->rb_color = RB_NONE #define RB_CLEAR(node) do { \ - (node)->rb_parent = NULL; \ - RB_CLEAR_COLOR((node)); \ - (node)->rb_right = NULL; \ - (node)->rb_left = NULL; \ + memset(node, 0, sizeof(*node)); \ } while (0) #define RB_CLEAR_ROOT(root) ((root)->rb_node = NULL) #define rb_entry_crq(node) rb_entry((node), struct cfq_rq, rb_node) @@ -563,7 +558,6 @@ static inline void cfq_del_crq_rb(struct cfq_rq *crq) cfq_update_next_crq(crq); rb_erase(&crq->rb_node, &cfqq->sort_list); - RB_CLEAR_COLOR(&crq->rb_node); if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY(&cfqq->sort_list)) cfq_del_cfqq_rr(cfqd, cfqq); diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c index 399fa1e60e1..06962d8402a 100644 --- a/block/deadline-iosched.c +++ b/block/deadline-iosched.c @@ -165,10 +165,9 @@ deadline_find_drq_hash(struct deadline_data *dd, sector_t offset) /* * rb tree support functions */ -#define RB_NONE (2) #define RB_EMPTY(root) ((root)->rb_node == NULL) -#define ON_RB(node) ((node)->rb_color != RB_NONE) -#define RB_CLEAR(node) ((node)->rb_color = RB_NONE) +#define ON_RB(node) (rb_parent(node) != node) +#define RB_CLEAR(node) (rb_set_parent(node, node)) #define rb_entry_drq(node) rb_entry((node), struct deadline_rq, rb_node) #define DRQ_RB_ROOT(dd, drq) (&(dd)->sort_list[rq_data_dir((drq)->request)]) #define rq_rb_key(rq) (rq)->sector |