[PATCH] mark struct file_operations const 8

Many struct file_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 3 insertions, 3 deletions

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 799b76806bc3..bf9837dd95c4 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1335,7 +1335,7 @@ static int nr_info_open(struct inode *inode, struct file *file)
         return seq_open(file, &nr_info_seqops);
 }
 
-static struct file_operations nr_info_fops = {
+static const struct file_operations nr_info_fops = {
         .owner = THIS_MODULE,
         .open = nr_info_open,
         .read = seq_read,
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index e9909aeb43e9..c2fbac9c69ce 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -934,7 +934,7 @@ static int nr_node_info_open(struct inode *inode, struct file *file)
         return seq_open(file, &nr_node_seqops);
 }
 
-struct file_operations nr_nodes_fops = {
+const struct file_operations nr_nodes_fops = {
         .owner = THIS_MODULE,
         .open = nr_node_info_open,
         .read = seq_read,
@@ -1018,7 +1018,7 @@ static int nr_neigh_info_open(struct inode *inode, struct file *file)
         return seq_open(file, &nr_neigh_seqops);
 }
 
-struct file_operations nr_neigh_fops = {
+const struct file_operations nr_neigh_fops = {
         .owner = THIS_MODULE,
         .open = nr_neigh_info_open,
         .read = seq_read,