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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:37 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch)
tree62e7449e43bb502f2e9630ab41832ceccd9a0f65 /drivers
parentda7071d7e32d15149cc513f096a3638097b66387 (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/char/tape_class.c2
-rw-r--r--drivers/s390/char/tape_class.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index 56b87618b10..2e0d29730b6 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -36,7 +36,7 @@ static struct class *tape_class;
struct tape_class_device *register_tape_dev(
struct device * device,
dev_t dev,
- struct file_operations *fops,
+ const struct file_operations *fops,
char * device_name,
char * mode_name)
{
diff --git a/drivers/s390/char/tape_class.h b/drivers/s390/char/tape_class.h
index 3d0ca054cde..a8bd9b47fad 100644
--- a/drivers/s390/char/tape_class.h
+++ b/drivers/s390/char/tape_class.h
@@ -52,7 +52,7 @@ struct tape_class_device {
struct tape_class_device *register_tape_dev(
struct device * device,
dev_t dev,
- struct file_operations *fops,
+ const struct file_operations *fops,
char * device_name,
char * node_name
);