attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group. So mark the non-const structs as const.

File size before:
   text    data     bss     dec     hex filename
   6122     636      24    6782    1a7e fs/ecryptfs/main.o

File size After adding 'const':
   text    data     bss     dec     hex filename
   6186     604      24    6814    1a9e fs/ecryptfs/main.o

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

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 9014479..eea4c0f 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -782,7 +782,7 @@ static ssize_t version_show(struct kobject *kobj,
        NULL,
 };
 
-static struct attribute_group attr_group = {
+static const struct attribute_group attr_group = {
        .attrs = attributes,
 };
 
-- 
1.9.1

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