commit 2b8693c0617e972fc0b2fd1ebf8de97e15b656c3
author Arjan van de Ven <arjan@linux.intel.com> Mon Feb 12 00:55:32 2007 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Mon Feb 12 09:48:45 2007 -0800
tree 3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3
parent 5dfe4c964a0dd7bb3a1d64a4166835a153146207

[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>

drivers/infiniband/hw/ipath/ipath_fs.c

diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 79a60f0..5b40a84 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -47,7 +47,7 @@
 static struct super_block *ipath_super;
 
 static int ipathfs_mknod(struct inode *dir, struct dentry *dentry,
-			 int mode, struct file_operations *fops,
+			 int mode, const struct file_operations *fops,
 			 void *data)
 {
 	int error;
@@ -81,7 +81,7 @@
 
 static int create_file(const char *name, mode_t mode,
 		       struct dentry *parent, struct dentry **dentry,
-		       struct file_operations *fops, void *data)
+		       const struct file_operations *fops, void *data)
 {
 	int error;
 
@@ -105,7 +105,7 @@
 				       sizeof ipath_stats);
 }
 
-static struct file_operations atomic_stats_ops = {
+static const struct file_operations atomic_stats_ops = {
 	.read = atomic_stats_read,
 };
 
@@ -127,7 +127,7 @@
 				       sizeof counters);
 }
 
-static struct file_operations atomic_counters_ops = {
+static const struct file_operations atomic_counters_ops = {
 	.read = atomic_counters_read,
 };
 
@@ -166,7 +166,7 @@
 				       sizeof nodeinfo);
 }
 
-static struct file_operations atomic_node_info_ops = {
+static const struct file_operations atomic_node_info_ops = {
 	.read = atomic_node_info_read,
 };
 
@@ -291,7 +291,7 @@
 				       sizeof portinfo);
 }
 
-static struct file_operations atomic_port_info_ops = {
+static const struct file_operations atomic_port_info_ops = {
 	.read = atomic_port_info_read,
 };
 
@@ -394,7 +394,7 @@
 	return ret;
 }
 
-static struct file_operations flash_ops = {
+static const struct file_operations flash_ops = {
 	.read = flash_read,
 	.write = flash_write,
 };