[PATCH] mark struct file_operations const 9

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>

sound/oss/vwsnd.c

@@ -3035,7 +3035,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file)
 	return err;
 }
 
-static struct file_operations vwsnd_audio_fops = {
+static const struct file_operations vwsnd_audio_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
 	.read =		vwsnd_audio_read,
@@ -3225,7 +3225,7 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl,
 	return retval;
 }
 
-static struct file_operations vwsnd_mixer_fops = {
+static const struct file_operations vwsnd_mixer_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
 	.ioctl =	vwsnd_mixer_ioctl,