[PATCH] mark struct file_operations const 3

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>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index ad49bd823ebd..30a5780f4185 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -548,7 +548,7 @@ static int ide_drivers_open(struct inode *inode, struct file *file)
         return single_open(file, &ide_drivers_show, NULL);
 }
 
-static struct file_operations ide_drivers_operations = {
+static const struct file_operations ide_drivers_operations = {
         .open           = ide_drivers_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index b3bcd1d7315e..c6eec0413a6c 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -4779,7 +4779,7 @@ static ide_driver_t idetape_driver = {
 /*
  *      Our character device supporting functions, passed to register_chrdev.
  */
-static struct file_operations idetape_fops = {
+static const struct file_operations idetape_fops = {
         .owner          = THIS_MODULE,
         .read           = idetape_chrdev_read,
         .write          = idetape_chrdev_write,