io_uring/eventfd: remove unused ctx->evfd_last_cq_tail member

A previous commit got rid of any use of this member, but forgot to
remove it. Kill it.

Fixes: f4bb2f65bb81 ("io_uring/eventfd: move ctx->evfd_last_cq_tail into io_ev_fd")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 211686ad89fd263f534154467ae786c1220907b4..dc6bd6940a0dd27536ff72874e3720e9b77c88d4 100644 (file)
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -442,6 +442,9 @@ struct io_ring_ctx {
        struct list_head                defer_list;
        unsigned                        nr_drained;
 
+       /* protected by ->completion_lock */
+       unsigned                        nr_req_allocated;
+
 #ifdef CONFIG_NET_RX_BUSY_POLL
        struct list_head        napi_list;      /* track busy poll napi_id */
        spinlock_t              napi_lock;      /* napi_list lock */
@@ -454,10 +457,6 @@ struct io_ring_ctx {
        DECLARE_HASHTABLE(napi_ht, 4);
 #endif
 
-       /* protected by ->completion_lock */
-       unsigned                        evfd_last_cq_tail;
-       unsigned                        nr_req_allocated;
-
        /*
         * Protection for resize vs mmap races - both the mmap and resize
         * side will need to grab this lock, to prevent either side from