[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>
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 986b212..6d8d05f 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -593,7 +593,7 @@
void ipath_disarm_senderrbufs(struct ipath_devdata *);
struct file_operations;
-int ipath_cdev_init(int minor, char *name, struct file_operations *fops,
+int ipath_cdev_init(int minor, char *name, const struct file_operations *fops,
struct cdev **cdevp, struct class_device **class_devp);
void ipath_cdev_cleanup(struct cdev **cdevp,
struct class_device **class_devp);