[PATCH] eCryptfs: constify attribute_group structures.

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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.cs@xxxxxxxxx>
 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,
-static struct attribute_group attr_group = {
+static const struct attribute_group attr_group = {
 	.attrs = attributes,

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