[PATCH] mark struct file_operations const 7
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/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c
index 811e4ba..db32ac8 100644
--- a/net/ipx/ipx_proc.c
+++ b/net/ipx/ipx_proc.c
@@ -322,7 +322,7 @@
return seq_open(file, &ipx_seq_socket_ops);
}
-static struct file_operations ipx_seq_interface_fops = {
+static const struct file_operations ipx_seq_interface_fops = {
.owner = THIS_MODULE,
.open = ipx_seq_interface_open,
.read = seq_read,
@@ -330,7 +330,7 @@
.release = seq_release,
};
-static struct file_operations ipx_seq_route_fops = {
+static const struct file_operations ipx_seq_route_fops = {
.owner = THIS_MODULE,
.open = ipx_seq_route_open,
.read = seq_read,
@@ -338,7 +338,7 @@
.release = seq_release,
};
-static struct file_operations ipx_seq_socket_fops = {
+static const struct file_operations ipx_seq_socket_fops = {
.owner = THIS_MODULE,
.open = ipx_seq_socket_open,
.read = seq_read,