linux-kernel - [PATCH] block: use KMEM

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Date:   Mon, 27 May 2019 19:48:35 +0800
From:   Peng Wang <wangpeng15@...omi.com>
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peng Wang <rocking@....edu.cn>
Subject: [PATCH] block: use KMEM_CACHE macro

From: Peng Wang <rocking@....edu.cn>

Use the preferred KMEM_CACHE helper for brevity.

Signed-off-by: Peng Wang <rocking@....edu.cn>
---
 block/blk-core.c | 3 +--
 block/blk-ioc.c  | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 1bf83a0df0f6..841bf0b12755 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1789,8 +1789,7 @@ int __init blk_dev_init(void)
 	if (!kblockd_workqueue)
 		panic("Failed to create kblockd\n");
 
-	blk_requestq_cachep = kmem_cache_create("request_queue",
-			sizeof(struct request_queue), 0, SLAB_PANIC, NULL);
+	blk_requestq_cachep = KMEM_CACHE(request_queue, SLAB_PANIC);
 
 #ifdef CONFIG_DEBUG_FS
 	blk_debugfs_root = debugfs_create_dir("block", NULL);
diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index 5ed59ac6ae58..58c79aeca955 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -408,8 +408,7 @@ struct io_cq *ioc_create_icq(struct io_context *ioc, struct request_queue *q,
 
 static int __init blk_ioc_init(void)
 {
-	iocontext_cachep = kmem_cache_create("blkdev_ioc",
-			sizeof(struct io_context), 0, SLAB_PANIC, NULL);
+	iocontext_cachep = KMEM_CACHE(io_context, SLAB_PANIC);
 	return 0;
 }
 subsys_initcall(blk_ioc_init);
-- 
2.19.1