[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>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/wanrouter/wanproc.c b/net/wanrouter/wanproc.c
index abce82873604..205106521ecb 100644
--- a/net/wanrouter/wanproc.c
+++ b/net/wanrouter/wanproc.c
@@ -188,7 +188,7 @@ static int status_open(struct inode *inode, struct file *file)
         return seq_open(file, &status_op);
 }
 
-static struct file_operations config_fops = {
+static const struct file_operations config_fops = {
         .owner   = THIS_MODULE,
         .open    = config_open,
         .read    = seq_read,
@@ -196,7 +196,7 @@ static struct file_operations config_fops = {
         .release = seq_release,
 };
 
-static struct file_operations status_fops = {
+static const struct file_operations status_fops = {
         .owner   = THIS_MODULE,
         .open    = status_open,
         .read    = seq_read,
@@ -271,7 +271,7 @@ static int wandev_open(struct inode *inode, struct file *file)
         return single_open(file, wandev_show, PDE(inode)->data);
 }
 
-static struct file_operations wandev_fops = {
+static const struct file_operations wandev_fops = {
         .owner   = THIS_MODULE,
         .open    = wandev_open,
         .read    = seq_read,