[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, 2 insertions, 2 deletions

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 89273d35e0cc..e1fad77a2257 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -309,7 +309,7 @@ rpc_pipe_ioctl(struct inode *ino, struct file *filp,
         }
 }
 
-static struct file_operations rpc_pipe_fops = {
+static const struct file_operations rpc_pipe_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .read           = rpc_pipe_read,
@@ -366,7 +366,7 @@ rpc_info_release(struct inode *inode, struct file *file)
         return single_release(inode, file);
 }
 
-static struct file_operations rpc_info_operations = {
+static const struct file_operations rpc_info_operations = {
         .owner          = THIS_MODULE,
         .open           = rpc_info_open,
         .read           = seq_read,