linux-kernel - [PATCH 3/3] libceph: use KMEM

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Date:	Sun, 13 Mar 2016 15:18:39 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Ilya Dryomov <idryomov@...il.com>, "Yan, Zheng" <zyan@...hat.com>,
	Sage Weil <sage@...hat.com>,
	"David S. Miller" <davem@...emloft.net>
Cc:	Geliang Tang <geliangtang@....com>, ceph-devel@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] libceph: use KMEM_CACHE macro

Use KMEM_CACHE() instead of kmem_cache_create() to simplify the code.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 net/ceph/messenger.c  | 10 ++--------
 net/ceph/osd_client.c |  5 +----
 2 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 9382619..32c997e 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -235,18 +235,12 @@ static struct workqueue_struct *ceph_msgr_wq;
 static int ceph_msgr_slab_init(void)
 {
 	BUG_ON(ceph_msg_cache);
-	ceph_msg_cache = kmem_cache_create("ceph_msg",
-					sizeof (struct ceph_msg),
-					__alignof__(struct ceph_msg), 0, NULL);
-
+	ceph_msg_cache = KMEM_CACHE(ceph_msg, 0);
 	if (!ceph_msg_cache)
 		return -ENOMEM;
 
 	BUG_ON(ceph_msg_data_cache);
-	ceph_msg_data_cache = kmem_cache_create("ceph_msg_data",
-					sizeof (struct ceph_msg_data),
-					__alignof__(struct ceph_msg_data),
-					0, NULL);
+	ceph_msg_data_cache = KMEM_CACHE(ceph_msg_data, 0);
 	if (ceph_msg_data_cache)
 		return 0;
 
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 5bc0537..7558855 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2783,10 +2783,7 @@ EXPORT_SYMBOL(ceph_osdc_writepages);
 int ceph_osdc_setup(void)
 {
 	BUG_ON(ceph_osd_request_cache);
-	ceph_osd_request_cache = kmem_cache_create("ceph_osd_request",
-					sizeof (struct ceph_osd_request),
-					__alignof__(struct ceph_osd_request),
-					0, NULL);
+	ceph_osd_request_cache = KMEM_CACHE(ceph_osd_request, 0);
 
 	return ceph_osd_request_cache ? 0 : -ENOMEM;
 }
-- 
2.5.0