[PATCH] mark struct file_operations const 5

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, 1 insertions, 1 deletions

diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c
index 4b868f72fe89..680b9b58b80e 100644
--- a/drivers/s390/char/vmwatchdog.c
+++ b/drivers/s390/char/vmwatchdog.c
@@ -228,7 +228,7 @@ static ssize_t vmwdt_write(struct file *f, const char __user *buf,
         return count;
 }
 
-static struct file_operations vmwdt_fops = {
+static const struct file_operations vmwdt_fops = {
         .open    = &vmwdt_open,
         .release = &vmwdt_close,
         .ioctl   = &vmwdt_ioctl,