[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, 3 insertions, 3 deletions

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 004a437bd7b5..c33dca073801 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2173,7 +2173,7 @@ static int fib_triestat_seq_open(struct inode *inode, struct file *file)
         return single_open(file, fib_triestat_seq_show, NULL);
 }
 
-static struct file_operations fib_triestat_fops = {
+static const struct file_operations fib_triestat_fops = {
         .owner  = THIS_MODULE,
         .open   = fib_triestat_seq_open,
         .read   = seq_read,
@@ -2364,7 +2364,7 @@ out_kfree:
         goto out;
 }
 
-static struct file_operations fib_trie_fops = {
+static const struct file_operations fib_trie_fops = {
         .owner  = THIS_MODULE,
         .open   = fib_trie_seq_open,
         .read   = seq_read,
@@ -2485,7 +2485,7 @@ out_kfree:
         goto out;
 }
 
-static struct file_operations fib_route_fops = {
+static const struct file_operations fib_route_fops = {
         .owner  = THIS_MODULE,
         .open   = fib_route_seq_open,
         .read   = seq_read,