linux-kernel - [PATCH] block: remove unused members for io

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Message-ID: <20201020092256.4095621-1-yuyufen@huawei.com>
Date:   Tue, 20 Oct 2020 05:22:56 -0400
From:   Yufen Yu <yuyufen@...wei.com>
To:     <axboe@...nel.dk>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] block: remove unused members for io_context

After removing blk-sq code, there is no user of nr_batch_requests
and last_waited in kernel.

Signed-off-by: Yufen Yu <yuyufen@...wei.com>
---
 include/linux/iocontext.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 1dcd9198beb7..0a9dc40b7be8 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -106,12 +106,6 @@ struct io_context {
 
 	unsigned short ioprio;
 
-	/*
-	 * For request batching
-	 */
-	int nr_batch_requests;     /* Number of requests left in the batch */
-	unsigned long last_waited; /* Time last woken after wait for request */
-
 	struct radix_tree_root	icq_tree;
 	struct io_cq __rcu	*icq_hint;
 	struct hlist_head	icq_list;
-- 
2.25.4