[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/ipc/mqueue.c b/ipc/mqueue.c
index 02717f7..fafdef3 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -85,7 +85,7 @@
};
static struct inode_operations mqueue_dir_inode_operations;
-static struct file_operations mqueue_file_operations;
+static const struct file_operations mqueue_file_operations;
static struct super_operations mqueue_super_ops;
static void remove_notification(struct mqueue_inode_info *info);
@@ -1166,7 +1166,7 @@
.unlink = mqueue_unlink,
};
-static struct file_operations mqueue_file_operations = {
+static const struct file_operations mqueue_file_operations = {
.flush = mqueue_flush_file,
.poll = mqueue_poll_file,
.read = mqueue_read_file,