linux-kernel - [PATCH] gfs2: constify rhashtable

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Date:   Wed, 30 Aug 2017 17:28:52 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     rpeterso@...hat.com, swhiteho@...hat.com
Cc:     linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Subject: [PATCH] gfs2: constify rhashtable_params

rhashtable_params are not supposed to change at runtime. All
Functions rhashtable_* working with const rhashtable_params
provided by <linux/rhashtable.h>. So mark the non-const structs
as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 fs/gfs2/glock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index c38ab6c..baf3ae7 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -71,7 +71,7 @@ struct gfs2_glock_iter {
 #define GFS2_GL_HASH_SHIFT      15
 #define GFS2_GL_HASH_SIZE       BIT(GFS2_GL_HASH_SHIFT)
 
-static struct rhashtable_params ht_parms = {
+static const struct rhashtable_params ht_parms = {
 	.nelem_hint = GFS2_GL_HASH_SIZE * 3 / 4,
 	.key_len = offsetofend(struct lm_lockname, ln_type),
 	.key_offset = offsetof(struct gfs2_glock, gl_name),
-- 
1.9.1