[PATCH] mark struct file_operations const 7

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, 2 insertions, 2 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5b3834b38a2d..9b5e56481d53 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -393,7 +393,7 @@ out_kfree:
         goto out;
 }
 
-static struct file_operations rt_cache_seq_fops = {
+static const struct file_operations rt_cache_seq_fops = {
         .owner   = THIS_MODULE,
         .open    = rt_cache_seq_open,
         .read    = seq_read,
@@ -484,7 +484,7 @@ static int rt_cpu_seq_open(struct inode *inode, struct file *file)
         return seq_open(file, &rt_cpu_seq_ops);
 }
 
-static struct file_operations rt_cpu_seq_fops = {
+static const struct file_operations rt_cpu_seq_fops = {
         .owner   = THIS_MODULE,
         .open    = rt_cpu_seq_open,
         .read    = seq_read,