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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 08:55:37 (GMT)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 17:48:46 (GMT)
commit9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch)
tree62e7449e43bb502f2e9630ab41832ceccd9a0f65 /drivers
parentda7071d7e32d15149cc513f096a3638097b66387 (diff)
downloadlinux-fsl-qoriq-9c2e08c592cd357a8330c34def1e8ecfdcf53275.tar.xz
[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 56b8761..2e0d297 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 3d0ca05..a8bd9b4 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
);