[PATCH] Mark struct super_operations const

This patch is inspired by Arjan's "Patch series to mark struct
file_operations and struct inode_operations const".

Compile tested with gcc & sparse.

Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 13dd75c..9311cac1 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -327,7 +327,7 @@
 		inode_init_once(&si->vfs_inode);
 }
 
-struct super_operations sysv_sops = {
+const struct super_operations sysv_sops = {
 	.alloc_inode	= sysv_alloc_inode,
 	.destroy_inode	= sysv_destroy_inode,
 	.read_inode	= sysv_read_inode,
diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index a320edc..5b4fedf 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -165,7 +165,7 @@
 extern const struct file_operations sysv_file_operations;
 extern const struct file_operations sysv_dir_operations;
 extern const struct address_space_operations sysv_aops;
-extern struct super_operations sysv_sops;
+extern const struct super_operations sysv_sops;
 extern struct dentry_operations sysv_dentry_operations;