[PATCH] mark struct file_operations const 6

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/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index b7f0ba97a1a2..30826242bf51 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -62,7 +62,7 @@
 #include "cluster/masklog.h"
 
 static struct super_operations dlmfs_ops;
-static struct file_operations dlmfs_file_operations;
+static const struct file_operations dlmfs_file_operations;
 static struct inode_operations dlmfs_dir_inode_operations;
 static struct inode_operations dlmfs_root_inode_operations;
 static struct inode_operations dlmfs_file_inode_operations;
@@ -540,7 +540,7 @@ static int dlmfs_fill_super(struct super_block * sb,
         return 0;
 }
 
-static struct file_operations dlmfs_file_operations = {
+static const struct file_operations dlmfs_file_operations = {
         .open           = dlmfs_file_open,
         .release        = dlmfs_file_release,
         .read           = dlmfs_file_read,