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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-20 14:51:22 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-20 14:51:22 -0700
commit2edc322d420a4cec8dbc184a1220ecd7fa9f8ae6 (patch)
treee7be2cf442626316b6b6fb212960fe1f77ff2725 /block/as-iosched.c
parentbe967b7e2f7747a5ebf2a07ee627d9338491e784 (diff)
parent2f3243aebd8df4d9eecaeca04bbff6c7dbfb2142 (diff)
downloadop-kernel-dev-2edc322d420a4cec8dbc184a1220ecd7fa9f8ae6.zip
op-kernel-dev-2edc322d420a4cec8dbc184a1220ecd7fa9f8ae6.tar.gz
Merge git://git.infradead.org/~dwmw2/rbtree-2.6
* git://git.infradead.org/~dwmw2/rbtree-2.6: [RBTREE] Switch rb_colour() et al to en_US spelling of 'color' for consistency Update UML kernel/physmem.c to use rb_parent() accessor macro [RBTREE] Update hrtimers to use rb_parent() accessor macro. [RBTREE] Add explicit alignment to sizeof(long) for struct rb_node. [RBTREE] Merge colour and parent fields of struct rb_node. [RBTREE] Remove dead code in rb_erase() [RBTREE] Update JFFS2 to use rb_parent() accessor macro. [RBTREE] Update eventpoll.c to use rb_parent() accessor macro. [RBTREE] Update key.c to use rb_parent() accessor macro. [RBTREE] Update ext3 to use rb_parent() accessor macro. [RBTREE] Change rbtree off-tree marking in I/O schedulers. [RBTREE] Add accessor macros for colour and parent fields of rb_node
Diffstat (limited to 'block/as-iosched.c')
-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 a7caf35..0c75039 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
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