[PATCH] mark struct file_operations const 2

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.

[akpm@osdl.org: sparc64 fix]
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>

2 files changed, 2 insertions, 2 deletions

diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index 15c16b62dff..a812d03879f 100644
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -159,7 +159,7 @@ static int rtc_release(struct inode *inode, struct file *file)
  *      The various file operations we support.
  */
 
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
         .ioctl =        rtc_ioctl,
         .open =         rtc_open,
         .release =      rtc_release,
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index b0e4c084df8..272d47eac58 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -147,7 +147,7 @@ static int rtc_release(struct inode *inode, struct file *file)
  *      The various file operations we support.
  */
 
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
         .ioctl =        rtc_ioctl,
         .open =         rtc_open,
         .release =      rtc_release,