[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>
This commit is contained in:
Arjan van de Ven
2007-02-12 00:55:31 -08:00
committed by Linus Torvalds
vanhempi 540473208f
commit 5dfe4c964a
59 muutettua tiedostoa jossa 94 lisäystä ja 94 poistoa

Näytä tiedosto

@@ -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,

Näytä tiedosto

@@ -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,