bcache: Don't return -EINTR when insert finished

We need to return -EINTR after a split because we invalidated iterators
(and freed the btree node) - but if we were finished inserting, we don't
want to redo the traversal.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 463d2800a955..98cc0a810a36 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -2002,8 +2002,10 @@ static int bch_btree_insert_node(struct btree *b, struct btree_op *op,
                         return -EINTR;
                 } else {
                         /* Invalidated all iterators */
-                        return btree_split(b, op, insert_keys, replace_key) ?:
-                                -EINTR;
+                        int ret = btree_split(b, op, insert_keys, replace_key);
+
+                        return bch_keylist_empty(insert_keys) ?
+                                0 : ret ?: -EINTR;
                 }
         } else {
                 BUG_ON(write_block(b) != btree_bset_last(b));