The patch titled
Subject: block-cfq-cache-rightmost-rb_node-fix
has been added to the -mm tree. Its filename is
block-cfq-cache-rightmost-rb_node-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/block-cfq-cache-rightmost-rb_node-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/block-cfq-cache-rightmost-rb_node-fix.patch
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Subject: block-cfq-cache-rightmost-rb_node-fix
Brain fart #1, please fold.
index 57ec45fd4590..4992e9acddad 100644
Link: http://lkml.kernel.org/r/20170731155955.GD21328@xxxxxxxxxxxxxxx
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
block/cfq-iosched.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN block/cfq-iosched.c~block-cfq-cache-rightmost-rb_node-fix block/cfq-iosched.c
--- a/block/cfq-iosched.c~block-cfq-cache-rightmost-rb_node-fix
+++ a/block/cfq-iosched.c
@@ -1186,7 +1186,7 @@ static struct cfq_group *cfq_rb_first_gr
static void cfq_rb_erase(struct rb_node *n, struct cfq_rb_root *root)
{
if (root->rb_rightmost == n)
- root->rb_rightmost = rb_next(n);
+ root->rb_rightmost = rb_prev(n);
rb_erase_cached(n, &root->rb);
RB_CLEAR_NODE(n);
_
Patches currently in -mm which might be from dave@xxxxxxxxxxxx are
rbtree-cache-leftmost-node-internally.patch
rbtree-optimize-root-check-during-rebalancing-loop.patch
rbtree-add-some-additional-comments-for-rebalancing-cases.patch
lib-rbtree_testc-make-input-module-parameters.patch
lib-rbtree_testc-add-inorder-traversal-test.patch
lib-rbtree_testc-support-rb_root_cached.patch
sched-fair-replace-cfs_rq-rb_leftmost.patch
sched-deadline-replace-earliest-dl-and-rq-leftmost-caching.patch
locking-rtmutex-replace-top-waiter-and-pi_waiters-leftmost-caching.patch
block-cfq-replace-cfq_rb_root-leftmost-caching.patch
lib-interval_tree-fast-overlap-detection.patch
lib-interval-tree-correct-comment-wrt-generic-flavor.patch
procfs-use-faster-rb_first_cached.patch
fs-epoll-use-faster-rb_first_cached.patch
mem-memcg-cache-rightmost-node.patch
mem-memcg-cache-rightmost-node-fix.patch
block-cfq-cache-rightmost-rb_node.patch
block-cfq-cache-rightmost-rb_node-fix.patch
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