[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, 4 insertions, 4 deletions

diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 29975d99d864..8551c879e456 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -37,7 +37,7 @@ static struct seq_operations rxrpc_proc_transports_ops = {
         .show   = rxrpc_proc_transports_show,
 };
 
-static struct file_operations rxrpc_proc_transports_fops = {
+static const struct file_operations rxrpc_proc_transports_fops = {
         .open           = rxrpc_proc_transports_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
@@ -57,7 +57,7 @@ static struct seq_operations rxrpc_proc_peers_ops = {
         .show   = rxrpc_proc_peers_show,
 };
 
-static struct file_operations rxrpc_proc_peers_fops = {
+static const struct file_operations rxrpc_proc_peers_fops = {
         .open           = rxrpc_proc_peers_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
@@ -77,7 +77,7 @@ static struct seq_operations rxrpc_proc_conns_ops = {
         .show   = rxrpc_proc_conns_show,
 };
 
-static struct file_operations rxrpc_proc_conns_fops = {
+static const struct file_operations rxrpc_proc_conns_fops = {
         .open           = rxrpc_proc_conns_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
@@ -97,7 +97,7 @@ static struct seq_operations rxrpc_proc_calls_ops = {
         .show   = rxrpc_proc_calls_show,
 };
 
-static struct file_operations rxrpc_proc_calls_fops = {
+static const struct file_operations rxrpc_proc_calls_fops = {
         .open           = rxrpc_proc_calls_open,
         .read           = seq_read,
         .llseek         = seq_lseek,